When starting off in first gear and starting to accelerate the bike loses power/hesitates temporarily like it's not getting fuel for about a second. Today, doing the same thing, bike made strange noise, if I had to describe it, it would be similar to a truck using its engine brake. The problem has only recently started. Ok Boys. It did this for maybe 20 seconds - 1 minute, then it would be just fine for a while (no bog at full throttle), then after a while, it would start doing it . While this technology offers several advantages over traditional throttle control systems, it is not without its issues. When the spark plug tries to ignite the air and fuel mixture, the combustion can be May 24, 2010 · #1: Loss of power after 5500 revs ( SOLVED!!!!!) Author: Kitt7, Posted: Mon May 24, 2010 9:04 am Hi All, having slight problem with my New Old XV750, put new NGK iridium spark plugs in, starts easier and doesn't backfire, problem is when you give it full throttle after 5500 revs it seems to die off, still runs but loss of acceleration and top end????? Aug 25, 2012 · K8 750 full throttle power loss Jump to Latest Follow 4K views 9 replies 3 participants last post by Rchobak Aug 28, 2012 Aug 21, 2015 · 150 hp Four Stroke Loss of Power. The whole story is like that. Click Here: Lincoln Diesel Specialties . 5 is standard. If the motorcycle experiences any of the symptoms associated with TPS problems, such as sudden loss of power while accelerating or delayed throttle response, owners should have the TPS checked immediately. One potential cause of power loss is dirty or old spark plugs. Jul 24, 2008 · Deeppurple52. At 21 sec I roll the throttle deep and you can hear it bog completely. The primary culprit is the carburetor - it can either be improperly tuned or dirty. This mode activates when the motorcycle’s throttle control system detects a malfunction or fault. But after filling up, the bike is still playing up May 13, 2016 · Once the bike warms up it ‘loses power’ (cuts off air/fuel) at some RPM range. With this, ignition of the fuel in the combustion chamber of the inboard motor is able to produce power. Fuel lines are a part of your fuel delivery system. The air-fuel ratio is probably wrong if the engine bogs down before reaching the power band. and the bike did not make it above 9'000rpm. It it's a Ducati or Termi flash, I doubt very highly that it's the problem. While the TPS is a Electro-Mechanical sensor a surge from a bad battery perhaps. Check for intake leaks around the intake boot and head gasket, which is located between the engine and carburetor, spray some carburetor cleaner Feb 3, 2017 · I start driving, and everything seems somewhat normal, but with that weird power loss when shifting I explained earlier. If your motorcycle’s internal compression rating is compromised by improper seals, faulty gaskets, or incorrect bores, the piston’s momentum will take a negative impact. Pulled hard no real issues other than a little smoke here and there. Hi, everyone. Tried to get it going again, but it just stalls immediately every time. However, it idles pretty good, but when you go to ride, it has absolutely no power and bucks and backfires at full throttle. Motorcycle suddenly loses power after full throttle. com/Single-Carb-Cleaning-WorkshopsHere I demonstrate one cause of a car Jun 1, 2009 · Hello. The other half not so much. #9 · Jul 24, 2008. Apr 23, 2011 · Loss of power at Full Throttle Jump to Latest Follow 7K views 12 replies 5 participants last post by mattbowdeen Apr 29, 2011 Oct 20, 2012 · Lincoln Diesel Specialties. So any diagnosis for overall loss of power, and plummeting idle? Nov 6, 2022 · 7. If it's dirty, it causes a lean condition off idle. A clogged air filter may not allow a sufficient amount of air into the combustion chamber, making the air/fuel mixture overly rich and causing poor acceleration. When it reaches max rpm's it cuts out continuously for about half a second at a time. Ok so context and setup Iv got a 92 sw20 with a gen 4 3sgte swap. Yesterday morning it hit about 82-83 for 10ish miles and then started bogging down, wouldn't go over 75. Answered in 14 minutes by: Motorcycle Mechanic: Eric. #3 · Jun 2, 2017. Starts to bog again around 1:05, kill and "reset" again at 1:07, and full power regained briefly. the choke allows for fuel that the carb jets are not supplying. I pull over and the engine will completely die, but only about a minute later it will let me start back up and continue riding without issue. If you don’t have an air leak and your throttle cable is in good condition, but your bike is idling but won’t accelerate, this is probably your problem. On the way home I went full throttle at one point and my motorcycle suddenly lost significant power. When using about 2/3-7/8 throttle, everything seems to go smoothly and at 7/8 throttle it seems that would be full throttle if there was nothing else as it still revs out. :huh: Upgrading Your Bike! Clogged Air Filter. If the RPMS change, you have a leak and May 9, 2023 · 1. Sep 15, 2008 · Summarily, if your car has similar symptoms (hesitation, sluggish acceleration, rough idle, and power loss) as I’ve reported above, it’s worth a shot trying the PEA-containing fuel system cleaners ($16 for 2 bottles of 12 oz. 8 lbs lighter than the old generation thanks to a new frame, new swingarm, and lighter engine. bug20k1. Just recently I am experiencing a loss of power when riding. The way it sits; stock jetting, k&n air filter (clean ), wide open Vance & Hines cruzers, I run 93 octane through it religiously. Your bike can sputter for one or more reasons. I've been working on my grandfather's 2012 vstar 950 tourer with around 50k miles. Bike accelerates fine under 1/4 power, but beyond 1/2-full throttle the engine loses its desire to accelerate and chokes. EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb. Jan 1, 2024 · Riding a Harley with a malfunctioning Electronic Throttle Control can be risky. I have a 1989 Yamaha Route 66 that hasn't been run in about 3 years. May 1, 2010 · Problem: Hesitation/ losing power. Jan 28, 2024 · If you experience any throttle body problems with your Harley Davidson motorcycle, here is a step-by-step troubleshooting guide: Check for any diagnostic trouble codes (DTCs) using a scan tool. this happens every time. to get a better idea of what the problem is. NEXT-GEN ELECTRONICS. May 18, 2021 · And depends how u ride, low RPM that could be a problem. Limited Performance Mode (LIMP) One common issue Harley Davidson owners may encounter with their electronic throttle control is the Limited Performance Mode or LIMP. Either you Jun 17, 2014 · Remove the carburettor drain plug and turn on the fuel. This will, in turn, cause your motorcycle to lag when acceleration. Oct 10, 2010 · I have a 96 Shadow ACE 1100. I am riding a 07 V star 650. Carb jets are the passageways that let the fuel run into your car and combine with air to power your motor with the spec air-fuel mix it needs. 2,444 satisfied customers. 2. I was just given this truck by my Dad, because he cant drive anymore do to health issues, any way. Check for intake or gasket leaks. Fast forward a year into ownership is started developing some power loss under wide Oct 19, 2023 · 5. Aug 17, 2012 · Full Throttle = Power Loss. I'd start with the easier to check sources that u/nhsof mentioned. Today I had her in 6th at about 80% throttle and she got up to about 245 kmh. this is a common symptom of a bike that sits for periods of time unused without the fuel system properly setup for storage Jun 23, 2011 · 1 Answer. 91 should be just fine. Dec 9, 2022 · Motorcycle sputtering is characterized by intermittent power loss when you shift to the next gear and try to twist the throttle hard in acceleration. 2 stroke love high rev ( but not when they cold). Resistant or Damaged Throttle Cable. Hi, newish here and my first ATV that I bought last summer. I thought time would help, so I rode it about 15 minute Sep 23, 2023 · Power the ignition off and leave it off for 130 seconds (2 minutes 10 seconds) … with no changes to controller inputs (don't move throttle, start the bike, or change any switch positions) Throttle position is reset to base values and the bike should be operated under normal load to further develop (fine tune) the throttle adaptation. I removed the air filter and found oil puddled in the bottom of the air filter housing. Gas can go stale in as few as 30 days, especially gasoline mixed with ethanol as it is in many areas. Funny, I have barely 100 miles on this tank. It runs (half the time) really good. Common DTCs for throttle body problems include P0120, P0220, P0122, P0123, P0222, and P0223. I ride a Honda Rebel 250 motorcycle and over the past few days I find that the bike is losing power when accelerating fast. 2007 zx6r high rpm loss of power. May 6, 2024. Dirty or Old Spark Plugs. got back on after work and for around 30 miles it wouldn't go over 70 Here is a more detailed rundown of the reasons behind a motorcycle throttle not snapping back: Sticky Throttle Grip. It does though tend to die when idling for a few minutes if I don't give it some extra gas (idles at around 1500 RPM, but then drops lower after a minute or so and then dies). Louie. Aug 11, 2013 · Posted recently about a loss of top end power, and I am still chasing that problem. A clogged fuel filter can cause restrictions in fuel flow to the engine, especially when there is more demand for gas when the throttle is fully open. It came in mind that it was turning over very slowly this morning like if the battery was low. She’s had a short but hard life with lots of off-road and different climates etc but I take care of her. Click here: LB7 Injector replacement instructions . To do this use some throttle body cleaner or carburetor cleaner and spray it around the intake boots, intake seals and head gaskets. The rider may experience a sudden loss of power, usually when the throttle is opened. Another reason might be old spark plugs. While traveling at an average speed of 70 mph, I feel a loss of power in the throttle and torque of the motorcycle. When LIMP mode is activated, the motorcycles may be limited, and the rider may May 12, 2010 · 76 CB200T Power Loss. Lately it has been sputtering, under a heavy throttle condition, with a loss of power, and low fuel mileage. A clean path for air is vital for optimal power delivery and throttle reaction. Harley Davidson electronic throttle control problems require immediate attention. When I bought the car it was burning oil ( due to bad valve seals) but ran fine. Immediately lost engine power. Feb 16, 2016 · Make sure front injector wiring isn't tight, getting pulled tighter due to zip-tie on frame holding harness. There is soot in my tail pipe tips also. Starting with slow roll on is ok ( no hesitation ), I can hit it once I'm moving, but not full Oct 19, 2023 · 3. Sep 25, 2006 · raced many years ago-just bought a KX125 1993 and tested it out today. The carburetor's throttle slide is stuck, so it can't create vaccuum at low rpms. I’ve noticed that it’s losing power all of a sudden at full (or near full) throttle. for a few days it was riding fine then it started sputtering from a stop and at high rpms. Loss of middle and topend powerband . Absolutely normal. Your car will do the same thing with the cruise control on. Problem seems to start around 4-6k rpm. Getting too much air and not enough fuel in your cylinder is called running lean. Hey guys, I have an 04 gsxr600 with about 24000 miles. Jan 9, 2011 · RACETECH : First thing is replace the spark plugs and inspect the ignition coil wires and caps, if there split or cracked , replace them. Clean pintle for IAC motor, at 12noon, just inside throttle body. Thanks for replying! Its a 99 honda shadow. When I twist the throttle to accelerate quickly (in any gear) I hear the engine sound increasing in pitch by a lot more than I'm used to hearing, but the motorcycle doesn't seem to respond and performance is very poor. Best way to describe it is it seems to be starving/ flooding on full throttle. #11. The spark plug looks fine (light brown) and I run ethanol free 93 Jan 1, 2024 · Sudden Loss of Power: This is the most common symptom of a TBW issue. I had a similar issue on my 690. themotorcyclemd. Shifting into the next gear, it’ll sit in one of those ranges (depending on Mar 1, 2019 · Here is my step by step Single Carb Cleaning tutorial -https://www. If you don't know what the flash is, that's a starting point. With bad fuel it will be hard to start, bike won’t idle properly, choking. Go uphill it adds power, downhill it reduces power. But then as it revs up, at high rpm, the valves start to function correctly and all of the cylinders kick in. Comfy For 2. For jetting, it is running a 90 main jet as 67. 9L loss of power at full throttle. Crucial as well is to consider the exhaust system’s condition. DO it again at 50 seconds. It also has a new filter in-line and a near-full tank of fresh gas. Improper Air-Fuel Mixture. Gummed-Up Carburetor Slide. Known to corrode. hello. Loosen the carburetor to reach the screw easily. Not every time, but often. Jul 8, 2019 · Posted September 28, 2013. If you have a scan tool you can view and record the engines sensors, throttle input (twist grip) etc. Malfunctioning Throttle Position Sensor. If the bike goes into Forced Shutdown Mode while riding at high speeds, it could also lead to a dangerous situation. I replaced the plugs and that solved most of the problems, also Aug 23, 2014 · Power loss at full throttle. Jun 2, 2011 · If it is a pilot fuel circuit lean problem the power will be very poor from idle through about 3/4 throttle. The brand new flatter seat (31 in) is more comfortable for both rider and passenger. Interestingly, on hot days your motorcycle might lose power due to a malfunctioning cooling system. I had the injectors cleaned, drained the old gas, and put in new 93 octane gas with Sta-Bil and Yamaha Ring Free added. Apr 18, 2015 · The bike has an issue starting, which is a "Virago problem" so I waddled to the side of the road & managed to start the beast back up again, although I had to roll the throttle while in neutral just to keep from dying. Jan 25, 2014 · I totaly forgot that my camera is on and this is what was cought on 'tape'. Its a 2005 5. After tightening it, it started perfectly normal again. The rest of the way home I did not get over 80km / h ( normally top speed 130km / h). This can manifest as poor acceleration, surging, jerking, or hesitation when accelerating or revving up and down Mar 29, 2016 · 03 VL800 full throttle loss of power. Loss of power under half to full throttle. I've tried both a richer main jet and leaner and it didn't seem to make a difference. Your bike needs a constant, clean supply of fuel, and any obstruction can cause delays. Ok I recently had my bike written off by the insurance company. Jun 9, 2016 · Stutter or Loss of Power with load or open throttle. The power comes back and then off again cycling every second or Sep 5, 2012 · Need help: loss of power on full throttle. Sep 12, 2023 · 4) Use of Bad Spark Plug. The petcock is a fuel control valve that gives the rider the option to turn petrol flow on, off, or use the reserve tank. You can diagnose this by looking at the butterfly valve while squeezing the throttle all the way, and see if the valve opens fully. What I’ve done: Nov 28, 2022 · The following is an in-depth explanation of each of the possible 9 factors that contribute to bogging in a motorcycle: 1. I have been putting it back together but it is a work in progress despite being back on the road. Hi guys. Technician. As soon as I opened the throttle 100% she slowed down to +/- 230 kmh. At equilibrium you have the precise amount of fuel added to maintain a steady state. It is common for a Throttle Position Sensor to out. Many reasons can cause and mostly it is electrical. I then stopped, but could not find anything abnormal. Grimy or Rusted Throttle Tube. just started today outta the blue. I have a Yamaha WR250R with about 7k miles. Sep 20, 2023 · 13. My bike will cut out every time when I'm at full throttle and start to over rev. … read more. Hello all. Bad Gas. The throttle body valve is controlled by the driver's input through the gas pedal—as the pedal is compressed and more air flows into the engine, the engine injects more fuel, thus Jul 31, 2022 · Power loss in 5th vstar 950 *Solved*. Hi guys - this may be my first post here. Remove and make sure TPS plug wiring is clean and tight. An obstructed exhaust can create backpressure, disrupting the smooth exit of exhaust After 5-20 minutes of being bogged down, it will suddenly regain power and pull away (I will hold the throttle open for 10 minutes and suddenly the revs go up again and I have full power). Only the idle circuit seemed to be running ok ,any throttle over idle and just above -complete loss of power-no spluttering etc -complete loss. This only happens at high speed not acceleration. I have a 2002 Shadow VT1100 and am having some acceleration and throttle responsiveness issues that just started this season. Sep 29, 2023 · Throttle lag can make your vehicle feel sluggish, leaving you longing for that instant burst of power that makes driving enjoyable, especially in performance-oriented or sporty cars. Jul 8, 2021 · Sportsman 500 1997 bogging full throttle SOLUTION. You’ll experience the unpleasant and hazardous “bog” when the engine isn’t burning the right Feb 9, 2011 · Please help. Okay here is the best description of the problem i can provide. But after a while, it will suddenly lose power (bog down) and start dropping speed down to 65. When I am trying to go above 45 mph or trying to accelerate, I am experiencing missing beats of the bike for split seconds, and it comes back to normal when I drive slower and the throttle is down a little. Yesterday I encountered a sudden loss of power on full throttle when overtaking on the expressway In the past this has usually meant I am out of fuel. If your cooling system isn’t functioning at peak efficiency, it won’t dissipate engine heat effectively, causing the engine to overheat and lose power. Feb 24, 2024 · Excessive throttle cable slack is a common reason your motorcycle faces poor acceleration. See more. 2072 posts · Joined 2006. The other day I noticed it was bogging or losing power when I'd stomp the gas pedal. If you still got the same issue, then you might want to consider Aug 4, 2010 · When I get on the freeway and go ~80 mph and above, my bike will run a couple of miles great. So, adjust the throttle cable if it feels too loose. This can prevent them from firing properly, and as a result, your engine won’t be able to produce as much power. Ive had two bike that kinda do that and what was happening was they were both constantly flooding to a certain point and so it would load it with just the correct amount of fuel to top out way early and one of my two bikes that was doing it had a broke spark plug and i didnt know it so it was running off both cylinders but the Apr 8, 2020 · Also, at full throttle in the range of <6k revs the motorcycle sucks air in, but power transmission comes 1-2 seconds later. The spark plug help in creating a spark that ignites fuel mixture in the combustion chamber. Seems to only happen when I hold my throttle open for extended periods of time. This is reflected in the fact that the last third of the throttle does not If you are driving car or riding motorcycle and notice that you are losing power as you accelerate, there can only be one of two reasons for this. I have a 150 hp Four stroke outboard which would not go over 3200 rpm at full throttle. Miscalibrated Cable Tension. 5 turns, and stock exhaust that was reworked by vtxexhaust (some muffler internals rermoved, and replaced with 2" pipe). Doesn't matter which gear I'm in or if the engine is hot/cold When I push the pedal the last 1/8 inch to the floor, I experience an instant power loss/hesitation and basically maintains current speed or slows down. for the life of me a cant even fathom how it is possible that it runs completely normal and long as I dont go full throttle but just revs with no power if i do Jul 10, 2011 · In other words there's a loss of power, so much so that my speed decreases! As soon as I roll off to about 75-80% throttle she picks up, but only enough to get back to where she was. After two laps of full out on the motocross track found the following. Easy fixes include using the correct fuel, cleaning dirty parts, and replacing the damaged components. this isnt too bad of a procedure. Initially, the boat hopped right up on plane and the engine would run at 5000 rpm at full throttle. It's missing full power/max rpm and thottle response is a bit slowish sometimes. I took out and bypassed the fuel pump and reduced the length of fuel line. If the bike has sat without being ridden for quite some time or if it has been a while since the last carburetor service, then I would rebuild or clean the carburetor. One of the key components that help an inboard motor to perform well is the spark plug. I'm losing power around half throttle in 5th gear. This started on the freeway. 63SuperRocket # 549077 06/18/14 6:19 am. Replace The Battery. The jets also require regular cleaning. Mar 14, 2024 · Buildup in the air filter or throttle body can restrict airflow, which is essential for the proper air-fuel mixture. May 3, 2010 · I have a situation. Feb 16, 2020 · my v - strom Losing power while driving. When i take off from a stand still it will pull up to about 4-6k and then almost nothing, like im not Dec 4, 2011 · 3787 posts · Joined 2007. ended up being valves slightly out of spec. • 8 yr. I just bought a '76 200T with 2400 miles on it. This can be caused by a number of things, such as a faulty fuel pump, clogged fuel filter, or leaky fuel injectors. Over time, spark plugs can become fouled with oil, debris, and carbon deposits. Jun 2, 2017 · 11 posts · Joined 2017. I had a total power loss from 70 to 55 mph while I was WOT (wide open throttle) Nori. can someone help me? Dec 18, 2016 · 2005, 5. We have a 2013 Teryx4 750 with about 350 miles and 40'ish hours. I have a ts50x(2 stroke) with a 70cc big bore kit and big one exhaust system . It seems to run pretty well, cruises around fine in around town speeds. Sep 16, 2022 · If your motorcycle isn’t getting enough fuel, it will also lose power while accelerating. . Oct 19, 2023 · Clogged Petcock. Nov 1, 2015 · While driving on the highway going uphill or trying to maintain a fast speed i'll have almost total loss of power. Tried using throttle and could barely keep RPM up. A clogged petcock or clogged fuel lines are two other common causes of loss of power on a motorcycle. Jun 8, 2020 · Ok I have looked around and don't see anything like this anywhere. Restore Your Engine’s Internal Compression. No engine will do what you described. At 32 seconds I kill the engine, throttle deep, and flip engine back on to have full powerband, briefly. When I accelerate hard, it’ll go up to 7000 or so but not higher. Re: A10 complete loss of power at full throttle. The other day I was on a group ride cruising at about 70+MPH, then all of a sudden, out of nowhere, my bike started to sputter, almost like it wasn't getting enough fuel even though I had a full tank. The scooter seems to work fine in city roads, but if I need to travel on faster roads (45 or 55mph speed limit), after about 1-2 minutes at full throttle to get to the speed limit, I seem to lose all power. Jul 28, 2020 · Loss of Power. If the rig has been setting for more than a few weeks with unstabilized gasoline in the tank, then I would pay attention to the fuel filter and the carburetor being clogged. If the power loss came on suddenly, I would focus on the fuel filter, fuel tank vent being clogged, fuel pump, or fuel pump relay. And bad fuel has nothing to do with power band. You can probably get a replacement fuel filter for anywhere between $20 to $100. If the throttle gets stuck while riding, it could lead to a loss of control and a potential accident. Bad Timing Advance. Problably sand got into main jet in carburetor and bike lost power on full throtl Jun 23, 2013 · Hello Everyone. Sigh. Apr 18, 2022 · The common causes of 2 stroke bogging at full throttle include using the wrong gas mix, dirty or clogged air filters, damaged spark plugs or barrel gaskets, and damaged intake manifold gaskets. I changed the air filter to cure a running rich issue and that sorted it right out. Sep 21, 2007 · 1. You should be getting not much less than 300ml/minute,and more is better. so the jets in the float chamber will need to be cleaned. Reply. 8. 6. I notice suddenly a real loss of power and pull into a local gas station, where it just stalls. going with racing fuel, good way to burn ur piston. Too little fuel in the cylinder and an excess amount of air can be the culprit to your backfiring problem. In front of the carburetor, check the air-fuel mixture screw and clean it. Clogged Carburetor Jet. Problem occurs often from 3/4 to full throttle and sometimes from 1/2 to full but also Clean the debris regularly and also check the jets if they are dirty. Feb 10, 2024 · In addition to following the service manual, owners should also pay attention to any changes in the performance of their motorcycle. 2001 GMC Sierra 2500HD, CC,SB. It's like having a high-performance sports car with the potential to sprint, but it chooses to stroll instead. Clogged Fuel Filter. ago. I go and drive it up the road, hitting between 45-55 MPH. Catch the fuel in a jar to see how much flows through in one minute. With the new fuel setup and clean carbs and new gas, I rode Jul 15, 2008 · No power on full throttle. I was riding my motorcycle (Aprilia Rs4 125) today for about 2 hours. This is necessary to ensure safe and reliable operation of the motorcycle. "Quality Parts and Service at an Unbeatable Price" . I would def appreciate any help. Chevron Techron Concentrate in my case) before moving to more expensive diagnostic options. Too much slack in the throttle cable won’t increase the airflow, and the engine produces less power when twisting the throttle bar to a dead end. #2 · Dec 5, 2011. Bad gas will cause your engine to run erratically. Running out of power after running good for a while will be fuel supply restriction (screen in tank is clogged, any line filter will be dirty, dirt blocking the float valve seat from the fuel line side), float level, or possibly a main jet holder has clogged vent holes. The throttle body is a valve located between the air intake filter and the intake manifold that regulates how much air is entering the engine. thanks. Regular maintenance is key in preventing this issue. SOLD. You can actually feel the bike suddenly get a jolt of power once you dethrottle to a certain threshold (see in video) Seems to be acting like a lean mixture, but dont have a temperature comparison to confirm. May 4, 2018 · At 15 seconds, you see I can accelerate slowly. The rest of the way home I did not get over 80km / h ( normally top May 5, 2010 · Loosing power on 650 V Star. My prooblem is that I can not get bike past about 88 mph! Mar 25, 2013 · When it did start to bog, I would let off the gas, go about half throttle (it did not bog at half throttle, only full throttle), then try going full throttle again and it would bog again. These are just a few reasons for two-stroke Jun 3, 2024 · The Full Throttle becomes more agile, weighing in at 8. Or call us 920-361-7700 . The engine seems to go to idle, and the throttle doesn't do anything and no power goes to the wheels. After a while it’ll go down to 5000 and if you ride long enough, it’ll go down to about 3000 and not any higher. If I disengage the clutch, I can fully rev the engine, therefore I don't think it is a problem with fuel delivery. It will idle perfect and rev with no problems. May 27, 2013 · On my daily commute I join a highway on ramp, typically doing around 140 km/h, often near redline and near WOT, nothing unusual. Check your fuel, check for air intake leaks, run some seafoam through the tank, check your spark plugs. So I just did a VERY thorough de-winter on my 1100, including a carb clean/rebuild. Use spray cleaners and compressed air to clear out dirt from the jets. I have an 04 1300S pair vlv removed, k&n filter, 58 pilot, 200 main, glens a/f/ tool 2. In the past few months, I come across a phenomenon that I can't fix. ikerMike here, I am a Motorcycle Mechanic, and I here to tell you what to do. I added new gas, new plugs, checked the oil and it started right up. The valves in the engine got ****ed and so only one or two cylinders are giving power at low rpms. (at idle- and cruising-mode it works fine, Vmax and red revs possible) changed yesterday my fuel pump with a used one - didn't help. Damaged Throttle Return Spring. Typically slows down. These filters are usually easy to change and aren’t too pricey. I've ridden carbed ATV's and dirt bikes for years and to me it seems like it's running way lean. Feb 22, 2024 · Firstly, clogged or dirty fuel filters can significantly affect the flow of fuel, leading to a sluggish throttle response. Additionally, fuel evaporation can also be a reason for power loss on hot days. 9L w/48re 4wd crew cab dually it sat for 3 yrs barely being used, I put 2 new batteries in it, it sat with 1/8 of fuel so i dumped a full bottle of howes fuel treatment the tank my 05 zx10r c2h loses power on full throttle below 9000 rpm but gets it back if you start to close the throttle slightly, it has a full akrapovic race system and a K&N filter wich uses original mapping , 12000 mile service 1000 miles ago, valve clearances were cheched but found to be within tolerances but the guy did tweek the fueling becouse Jan 19, 2011 · Clean or replace the air filter. As of right now, I checked my battery connection and positive terminal was loose. If you suspect that your fuel delivery system is the issue, then it’s best to take it to a mechanic for further diagnosis. 7. Jan 18, 2009 · 2004 Polaris sportsman idles and runs fine in low range, 2004 Polaris sportsman idles and runs fine in low range, spits, sputters, and loses power , almost stops running at half throttle in high range. Unresponsive Throttle: The rider may find that the throttle is unresponsive. The ETC system can really mess with your bike’s performance and May 6, 2024 · Midwest. I will give it full throttle, but the bike will keep dropping speed or just hold the speed at ~65mph. The bike has been sitting for a few months it was running perfectly before that. Sometimes an extra slack on the throttle cable is preventing full control of the butterfly valve in the carb. The bike drives fine but if I hit the throttle hard it looses power and revs up like I'm holding the clutch. A lean condition in your engine is terrible for the engine internals. I'm having problem with my 500 sportsman and searching more ideas. So I stop, set the petcock to Reserve, and head on over to the nearest gas station. zxppvificjxrgfwfefed