And the problem is … ... but I had tried to run with airbox completely off, but nothing had changed. First ride I was on a highway in the left lane, heavy traffic and down shifting from 4th down to 1. When trying to ride it hesitates and then jumps to life and then hesitates, sounds like left side backfires. Hi All. 2004 Polaris Sportsman 400 engine shuts off when the throttle is released. My bike was plenty warm, riding in stop and go traffic. The purpose of a throttle position sensor is to keep your car running like it’s supposed to by controlling the throttle. Total Motorcycle Forum: 20 Years, 350k posts, 315 Million Readers ... Closed throttle = vacuum in the cylinder = easy for spark to jump the gap. I put fresh gas in it and kicked it over and let it run at idle for about 10 minutes. Motorcycle shutting off when put in first gear? I Changed battery and it starts and idles, but when I throttle the bike chokes out. I dont know if i started too soon, like didnt give it enough time to warm up, or something. The jet needle goes into your throttle. A lot of bikes use this, it shuts the fuel off when the engine stops. If it’s a Chinese scooter the chances are either the pilot jet is blocked or the diaphragm is not lifting the slide. A bad throttle position sensor is the last thing that you will ever wish to have on your ride. Apr 17, 2020 | Yamaha V Star Classic Motorcycles So I've already tuned myself to adjust for this idiosyncrasy. The problem is anytime i twist the throttle, the bike just shuts off. Rough on idle, when I tap the throttle bike dies. I took the bike for a spin, whenever I come to a stop it shuts off. I just bought a 13 CC after taking a two year break from riding. To get around the issue, I keep RPMs at ~2k when stopped. 1987 Carb - won't take throttle. Backed out of the parking spot. Motorcycle Tattoos. Yeah, when you pull the clutch and release the throttle the idle plummets strait to zero and the motor turns off. ... A forum community dedicated to the Suzuki GSX-R motorcycle. I have a late 80's Mercury outboard motor on my boat. The bike shut off. If rear wheel spins freely, replace battery and/or charger. With the passage of time, the sensor will start … If I am going fast on my bike and need to make an abrupt stop, when I apply the front and back break as well as squeeze the clutch, once my bike get under 10 mpg, it just shuts off. I tried to put it into first gear another 5 or 6 times and every time it would shut the bike off. Both times I was braking to stop, geared down to first but hadn't yet released my clutch to engage first and the bike died.. Just shut off. After giving up, I got off … When I take off the choke bike dies. sat for 2 yrs. 4. It was used almost all the time except 2 weeks between my bike change and passing cbt by my brother. Pilot Circuit - small effect on idle. Secure unit; turn power on & with NO weight on the scooter, lift back end up and apply the throttle. It is carbed. Got the bike typ start up but when I kicked it into gear it'd cut right back off. My 2003 WR250f seems to have started this more often now. ... it just jerks like if you let go of the clutch and shuts off. Let it warm up a bit. faulty ignition switch Like, comment, subscribe. Anyway, I just bought a 99 gsxr600 that doesn't quite run right. Discuss the GSX-R600, GSX-R750, GSX-R1000, and GSX-R1100, and more! Higher effect at lower RPM's with decreasing effect to full throttle. Bike runs great except when she gets hot in traffic and when taking off from a stop, she burps through the intake and shuts off. With the clutch in and no throttle it ran ok, it also ran fine at full choke and babying the clutch out,as soon as its given load and throttle it will immediately try to stall. The jet needle rests at the bottom of your CV piston valve. Thank you for watching ;-) I cleaned the carbs, changed the spark plugs and gave it fresh gas. 835 6 16. The diaphragm operates on a vacuum in the inlet manifold so either it has a hole in it or the vacuum line is disconnected. Trimmer: Engine Will Idle But Dies At Full Throttle . Motorcycle carbs have a few circuits that effect different throttle positions. If the motor engages, replace the battery. If the engine revs up, then it's starving for fuel. Thought it was just me doing something wrong as a newbie. Regardless whether I'm in 1st gear, or neutral. I've read a few threads about this but have not seen a definitive answer. I had kinds of codes showing on the bike and I've also replaced the cpks, tip over sensor, gear position sensor, throttle position sensor and replaced the chain and sprocket because it had so much rust on it (he kept motorcycle in carport in Seattle weather). If your trimmer engine idles, but stalls on throttle, check the following parts: the gasket, primer bulb, fuel filter, air filter, fuel vent, fuel line, and carburetor. Someone before me has placed a rolled up - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. Idle is fine and stable while you are warming up your motorcycle engine, but after the engine have reached it's operating temperature, it often stalls when you ask it to idle - like when you are stopping at a red light. And It occurs at certain RPM's and not throttle position.It starts to rev,hits a certain RPM and stops.I can put it 1/4 throttle,1/2 throttle,full throttle and it does the dame thing. Carburetted motorcycle stalls when accelerator is applied. 0L stumbles/bogs on acceleration Sound like a bad accelerator pump in the carb, time to rebuild the carb. Doesn't stall, it just quietly shuts off. Why does it choke out when I throttle? The first time I was almost stopped so no big deal. She starts right back up again but it's the cars behind me that are charging forward that I worry about. motorcycle cutting out while downshift after flooding, motorcycle shuts off when downshifting, motorcycle shuts off while downshifting, my motorcyclw stalled when shiftong out of 6th, victory cc 2012 dyno stalling 2nd to 1st gear, while downshifting motorbike switches off Remove deck plate & unplug brake connector from Control Module. When I get into 1st gear same choke out. Ask Question Asked 7 years, 7 months ago. The motorcycle engine often stalls at idle after warm up. However when I give it full throttle and try to take off … Clattering and slapping. My brothers bike starts and engine works fine in neutral but cuts off after turning throttle. Anyone know what’s going on with her? I have learned since to downshift when slowing, instead of coasting, and give a little blip on throttle to make things a bit smoother. I've had it happen once. I'm so aware of how it happens I can feel it now, I'm like "Oh crap I just pulled the clutch and dropped the throttle and now it's turning off... time to bump". I have a 2006 yz250f that has sat since 2009. I put it back into neutral and started it up. I recently bought a 2107 Chieftain and had the stage 2 kit installed. Scrambled Motorcycle Man. So my motorcycle recently started having an odd problem: Whenever I pull in the clutch completely and roll off the throttle, the bike simply turns off. Secure unit; turn power on & apply throttle. Main Jet - Wide open. This happens regardless of which gear I'm in. When I open the throttle and let it close again the revs stay high.. it doesn't always do it and to get the revs back down I have to either wait for about 10+ seconds or blip the throttle again which sometimes helps but … Only made it about 50 feet before it started to bog under throttle. Needle jet/jet needle - Mid range circuit. SHUT OFF. Idle Circuit - for idle and off idle. Here are 10 handy little motorcycle riding tricks that will make you smoother, safer and, in some cases, faster. Once bike is ridden for 5-10min issue goes away. If riding off-road or over speed bumps a light and sensitive electronic twist grip can make it difficult to control the motorcycle precisely, even potentially leading to an accident. Then when i start it up again in neutral and do it again, it works fine. I measured the battery voltage: 13.96v with ignition off I choked it to about 3000 RPM and got it rolling. If I leave the choke on and let the bike get warm it runs for a bit and then slowly dies. ... (My bike has an electric solenoid that opens the vent when the key is on and shuts it when the key is off. Full Forum Listing. Yup, when you coast along with clutch pulled in and let off the throttle. It hasn't happened since, knock on wood! It didn't stall. And tried to take off. After I let it warm up, I gave it some throttle and it dies on me. No hesitation, just instantly shuts off. The repair and symptom guide will help you better identify the part needed to be replaced and how. Engine vacuum opens it when the engine begins to run. Plenty warm, riding in stop and go traffic clutch pulled in and let off the throttle the! ; turn power on & with no throttle and caused it to about 3000 RPM and it... 6 times and every time it would shut the bike get warm it runs for bit. Battery and/or charger different throttle positions as a newbie took the bike warm! Run with airbox completely off, but nothing had changed it runs for spin. The slide year break from riding or 6 times and every time would... I gassed up rear wheel spins freely, replace battery and/or charger stumbles/bogs on acceleration Sound like bad... Have a 2006 yz250f that has sat since 2009 traffic and down shifting from 4th down to 1 something... 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