motorcycle idles but dies with throttle When you give it throttle it sputters and will nor rev up. Idles Fine dies when I hit the throttle. tpinksv · Registered. However, when I give it throttle, it spits, stutters, coughs & dies. Hi all, I've got a 1975 Suzuki GT250. Fix: Recommended RPM for idling: (use a tachometer) If the choke is halfway on it sounds like it's idling at normal rpm's. won't idle, goes into fuel saving mode under throttle and fires on 1 cylinder only and I can smell gas when this happens by the way. So my question is how's the proper way to adjust and where to start from, there's 3 spots, on the carb where the cable goes in, on the throttle and the idle screw Bike: 2014 1200 S model Issue: Low idle, idle dips too low after some rev bombs killing the engine lol. Filter not here yet but filled tank and played with idle screws and it consistently dies with a bit of throttle. I've tried adjusting idle and that didn't do anythign. Idle doesn't really have an effect on its performance. Changed the spark plugs, oil, airfilter, and adjusted the throttle cables. I am at a loss, if I work upto speed she runs just fine, if rpms drop too low she starts surging sputters and dies. Once warm, take note of the motorcycle’s engine idle speed. The bike idles great, from full choke to half then to closed, but when I engage the throttle the bike dies. 2behave · Registered. If I leave the choke on and let the bike get warm it runs for a bit and then slowly dies. You may have to register before you can post: click the register link above to proceed. When it runs it sounds fine, but as soon as you let it idle it just falls on its face and dies out. Before, carbs were synched using the drill bit method and a 1/4 drill bit. The red arrow I would take to be your a/f screw. Ran it about 50 miles today. I checked the over sensor. As I rolled off the throttle approaching town, I could feel the engine wasn't smooth, It surged with what felt like a misfire or too much A stuck/binding throttle, vacuum leak, bad throttle position sensor, coolant or air flow sensor all can be the cause of a high idle speed. I reached in plugged the TPS back in, restarted it and it will idle but any throttle and it dies instantly. It starts and idles, maybe a little rough but not overly so. It runs real strong, but still dies when throttle is closed to idle. I think it happens after I ride the bike hard, then come to a stop, idle for a bit and blip the throttle from idle. Stator cover was cracked and I changed it. Starts (sometimes) but dies when I apply throttle If this is your first visit, be sure to check out the FAQ by clicking the link above. The bike will slightly run in first gear with the choke in half position, and sometimes the bike will accelerate fast and stick there then come back down, sorta freaky. However, once the bike is at least somewhat warmed up, I can give it a little bit of gas without issue, and then once the bike is fully warmed up, it performs like a champ. I have to keep on the throttle till it gets warm but it eventually stalls. The fuel screw adjusting range is 1/2 turn out to 2. At closed throttle vacuum draws air though this bypassing the venturi into the idle circuit. (seemed like some bikes had them, never really noticed it made them die when given throttle It starts and idles, maybe a little rough but not overly so. Try lowering your throttle by hand until it dies, what RPM does it die at? If its dropping off lower then 1000 rpm, you need to re-adjust the idle throttle plate screw. There should be a screw on the lower side of the carb float bowl. After the engine warms up a bit…. Idle is the engine condition where the engine is running but you are not touching the throttle grip. Remove the screw then replace it after the fuel drains. All it takes is one carb to screw up the running. Had to change out the battery since it would not hold a charge and now it'll idle nicely but dies when give gas. 1st Gen '99 SV650 idles, but dies if you give it throttle. The other problem is when I roll on the throttle the bike dies around 2500 rpms and No, you're not going to get much out of a motorcycle charging system at idle / high idle (2K rpm or less), but it should be enough to keep the ignition circuit alive. I returned about 45min later to take it out, gasse it up with the J-Can and started it up. I just put the top end back together after it overheated and blew a head gasket. Doesn't happen always, maybe once a month. My throttle cable was getting frayed and needed to be replaced, now it either idles high or comes down and dies depending on how it's adjusted by the adjustment by the throttle lever. I remember the last ride and it was back firing pretty good and had to ride with the choke out. Then dialed out about 1/2 a turn to drop idle from 1400 to 1200. 86 Posts. The idle screw (Throttle stop screw) adjusts the speed of the idle. Solution. so far; - milled the head 0. diaphragm air leak, as in punctured or improperly sealed diaphragm will produce the symptoms mentioned (idles, but dies when throttle opens). This is the needle that is operated with the throttle cable. Re: Rough Idle and dies with throttle. The idle speed is OK (800 - 900 rpm) once the engine has warmed and the choke is off. Total Motorcycle Community Forums. I recently aquired a ln '82 Maxim 750. 2. i attached a video of what it is doing. Its called pilot, just like a pilot light on a burner. It now starts and idles perfectly. Adjust the idle to be higher. It kick starts easily as normal, and idles nicely but as soon as you touch the throttle it dies. Keep the voltmeter on the battery, see where it's at when the bike finally stumbles/dies out. That is the emulsifier tubes being plugged (amongst other things) , your mid throttle circuit. It seems to stay going for a short period of time in idle but no further than that. My 2005 yz450f starts and idles, but when I roll on the throttle is dies. It idles fine, around 1800 rpm with the choke. When you start the bike, run the enricher only long enough to where you can get the bike to stay running with the throttle grip or throttle lock. Discussion Starter · #1 · Mar 26, 2013. I have to mess with the choke and hold down the throttle a little to get it running. So this is an issue my monster has had since I put a new exhaust on it with a rapid bike(****ing love this system). Now try again. Re: XS/XJ400 idles, but wont accept throttle Your video is locked. I replaced IAC, TPS, engine temp sensor. made sure the gas cap had proper vent. I'll give it a try. After I got it warm I was able to ever so slightly open the throttle like seriously 1% and it slowly climbed to 6k. I pulled the airbox to check since it almost sounds like the motor is making a "sucking" sound. every time unless you stay on the throttle like i did at first in motorcycle will idle but dies when given gas. Thought idle was o. Motorcycle Talk. Reasons Why a Motorcycle Stalls When Pulling Away. Basically, once the bike is warmed up, it idles and runs perfectly fine without a hiccup. There was a slight leak at the vacuum hose ports (for synchronizing). I had to ride it home in first, on the pegs with 1/4 throttle probably going 1/2 mph. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Although the main things have been checked, filter, carb, etc but all seem fine and still no luck in getting her to stay going. It's a 2002 Suzuki Volusia with about 6700 miles. Won't kick start, and will start with a push about 50% of the time. Basically, she'll start up fine and idle around 1500-2000 rpm (full choke) but upon going to 1/2 choke or giving her any throttle, she dies. Any more open it died, but I could slowly get it to climb and hold it there. 004 and matched the cyclinder at a local machine shop - leak tested the valves - piston and cylinder are good only Cause #6: Idle Too Low. !!!!!I then kick started it and it started up find and Idles great but when I twist the throttle more than a 1/4 it just bogs out and stalls. This is only at idle and does not effect anything above idle. As soon as I hit the throttle, it either dies or gets real choppy. Prior to my purchase the previous owner, a friend, said he cleaned the carbs. (It also won't start unless I give it some throttle even if the choke is all the way in). Discussion Starter · #1 · Nov 1, 2010. « Reply #8 on: March 09, 2009, 11:14:44 AM ». swiss cheesed airbox. Replaced the gaskets at the intake manifold. Not being that engine minded I can't decide if it sounds like it being starved of something or flooded with something, I think probably starved. Adjust the idle/air screw ( aka the fuel: air ratio screw ) If none of the above solves the problem then you have clogged jets Idle is the engine condition where the engine is running but you are not touching the throttle grip. Engine won’t idle smoothly, idles too slowly, or stalls. Usually it dies and comes back quickly, but today the engine completely died. Joined 11 I changed the battery, the fuel pump, the spark plugs, the C14 code appears in the dealer mode, I changed the TPS sensor and now no code appears. Screw the air screw in and out until you get the highest idle speed. I think (in my extremely limited mechanical After I got it warm I was able to ever so slightly open the throttle like seriously 1% and it slowly climbed to 6k. 11. If you go to far the engine will backfire rapidly. Motorcycle Idle Too High. I had a similar problem with my FJR where it would idle fine but when I blipped the throttle it would cut out. Very nasty stuff, even deadly. Don't use brake cleaner with chlorine, it makes mustard gas when burned. Clean your carb and spray carb cleaner in all small passages, make sure air can flow through all ports no matter how small. I've had a recurring issue with the bike for the last 4000 miles or so. Discussion in ' XJ Technical Chat ' started by SteinhourJ, Dec 31, 2015 . As soon as the throttle is opened it's doing pretty much nothing. Hey guys long time no post. Drain the carburetor. bike stalls blip throttle, blimping the throttle and stalling, blimping throttle on motorcycle stalls , blipping the motrcycle then it dies, blipping the throttle causing to stall, dies rev matching a motorcycle , motorcycle dies blipping throttle, motorcycle dies when blipping on idle, motorcycle engine stall blipping, motorcycle quick To answer Warren's question about the throttle, If I turn the throttle at idle without doing so very slowly and steadily the bike engine will die. It just dies. Why do motorcyclists rev their engines? When stopped at a stop light the engine idles, which is a constant engine speed. Aug 2, 2009. When a motorcycle idle is too low, there isn’t enough opening for the air and fuel to pass through when your engine is in action. Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ). With an unusually low idle your motorcycle is near its choke point wherein any command from the throttle could easily kill the rpm. New to bikes idle issues. Jump to Latest Follow 1 - 3 of 3 Posts. The idle circuit usually does not have too many issues, but as soon as you crack the throttle, she'll fall flat on her face, unless you baby the throttle, then it will run erratically. My 2007 kingquad will idle but dies when give it throttle - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. cb750 K4 Idles High After Opening Throttle. But as soon as you touch the throttle it sputters and dies. « on: September 12, 2011, 04:22:43 pm ». Registered. A motorcycle idle that is a little high is not dangerous for your bike but isn’t optimal either. If it was fully in/seated, the circuit was closed. I was having a similar problem with high idle, bog down when take off from a light and rough idle. This is the “idle” jet. Jump to Latest Follow 1 - 9 of 9 Posts. Throttle Valves are not synced properly. . Opened the tank and found that the plastic piece that holds the fuel pressure regulator was broke and the regulator was half way out and leaking. It seems to be consistent; whenever the engine is cold, it runs fine for a couple of minutes. With the key on, engine off, graph the sensors output while slowly opening the throttle all the way. Discussion Starter · #1 2002 yz250 idles fine but bogs and tries to die when twisting the throttle (plz help! I have an 02 yz250. ·. The puke tube is clean. I am having issues with it idling it sputters out and dies. I replaced head gasket, base gasket, crankcase cover gasket, water pump seals on both sides, water pump gasket, carb, air filter and cleaned an inspected the power valve. It doesn't matter if it is a little or a lot of throttle. Hey, I just got my first motorcycle, a used 2002 Kawasaki Ninja 250R. Update. It seems as soon as I pull the throttle the engine dies. need help! my 2001 f4i 600 will start up but dies if any throttle is given. Something flammable usually causes the idle to flare higher if there's a leak. Idle is perfect, smooth, no issue. The problem, The machine will start fine and idle like it should, once you get into the throttle it will start to misfire and back pop but will not die even if you hold the throttle, it just pops Water will cause a stumble and you'd eventually see steam at the exhaust. I feel that its as soon as you try chucking pet through it dies. Your motorcycle’s motor can’t generate the force required to beat the clutch plate friction if your idle is set too low. 5 turns out. why does my outboard idle up high and then die? idle reves up really high on starting or shifting from gear to neutral then drops to low idle and stumbles or dies completely. It idles fine but as soon as I pull the thorttle back the engine, it doesnt surge up it just dies. carb is functioning like it should. This is usually caused by the idle screw on the carburetor being out of adjustment, an out of place throttle handle screw, a bad carburetor throttle spring, or a sticky throttle or throttle cable. Next is to adjust the idle mixture. I can get it started with about 6-10 kicks and playing with the throttle, but, then I have to work the throttle to keep it going, if I keep the revs at about 3000 then it runs fine, but if I let it go down where it should be at idle (1200 RPMs) then it just tries to die, if I try to rev it back up to 3 then the engine lags and dies. #7. The bike hasn't been running to my knowledge for 4-5 months. Put it back together and it should run great. But as soon as I give it any throttle it bogs down and dies. I'm planning to teardown and clean the carbs tomorrow. This causes your motorcycle to run rich on fuel. Throttle cable adjustment is fine-not too loose, not too tight. k. motorcycle will idle but dies when given gas. Anymore than that and it dies. However, after a long idling session, or while riding, the rev don't want to drop back down to normal (1200 RPM), instead stay pinned around 2500, sometimes climbing. bike idles, but sputters and dies at 1/2 throttle #4 Unread post by GS_in_CO » Mon Sep 08, 2014 6:19 pm. oil tank venting properly. It idles fine, but whenever I give it any throttle it sputter and dies out. Turns out the idle was about 200-300 RPM low. Step 1. Not obstructions so I tried to run the motor sans airbox and the bike idles but again dies as soon as i try the throttle. Fuel tank Charcoal Canister is clogged by dirt or old fuel and isn’t allowing enough fuel to the carburetor. 2011 Ninja 250, 2010 FJR-1300, 2009 KLR-650, and 2006 Goldwing - Throttle position sensor (TPS) not correctly adjusted - Valve clearances too tight - Charcoal cannister in the tank ventilation line clogged by fuel or dirt. HOW TO FIX THIS: Set the idle slightly higher or push the bike in first gear with the engine off and the clutch lever pulled in until the clutch plates are moving freely. If you start to experience engine misfires, stalling, or rough idling when the car is stopped, it can also be a warning sign of a failing TPS. don't know if its normal or not. Cause #6: Idle Too Low. If you can’t start, or can start only with full choke and then it dies when you turn off choke, this is gummed up. Throughout this process I have replaced the plugs and run a tank and a half worth of B-12 Chemtool through it. I'm not too mechanically inclined so I'm kinda stuck. If I give it any throttle it dies. But any change in the idle when sprayed can indicate a leak. When you roll the throttle, it dies. New battery, replaced round fuses with contemporary plug in fuses. Sounds like you're letting it idle too long with the enricher on. The revs will stay elevated like that with the choke on when you hit the throttle, its perfectly normal. If your bike’s idle is positioned too low, it can’t roll the clutch plates hard enough to put the bike in gear and ride, and your motorcycle will die. I'd start by re-calibrating the TPS and throttle plate correctly following the manual. It seems fine so long as i keep on the throttle to keep the rpm up but if i release it drops to Hi all, I've got a 1975 Suzuki GT250. Re: bike idles fine but dies with throttle input????? Post by starfleetengineer » Tue Oct 11, 2011 5:22 am Glad you found it I have noticed that the colder it is in the morning the more mine smokes till it starts to warm up. Even if I let go of the throttle. After about about 12 miles the engine suddenly died. A motorcycle idles high when it is getting too much of an air and fuel mixture in a low speed or neutral position. (seemed like some bikes had them, never really noticed it made them die when given throttle Now when I get back and I start it up, it starts fine, but when I put it into first gear while holding hte clutch, or when I give it some throttle in nuetral with or without the clutch pulled, the bike dies. Its probably something silly, I agree it could be a throttle cable issue. 31 Posts. thanks:no::no: I can start it, might need some choke at first but it starts and idles. Turn the gas back on and wait a minute for the carb to fill with gas. Most motorcycles require an idle speed of 1,100 to 1,300 RPM (revolutions per minute) to operate properly at a standstill. The improper air-fuel mixture will cause your motorcycle to lose power. I have a 2000 350 and it starts fine and idles ok, but ti will not rev up. Let the motor run for a few minutes to warm up. Discussion Starter · #1 · 23 d ago. Since a motorcycle in the break-in period should avoid a constant engine speed, the Rider revs the engine. When you rev it, it bogs, it's losing or have to much, not enough, of one of the above. Bookmark this question. A motorcycle will stall when releasing the clutch too fast or not applying enough throttle. With the TPS off it does idle higher, dunno why. Searching on here I see that there maybe a kickstand safety switch and a tilt sensor. So my question is how's the proper way to adjust and where to start from, there's 3 spots, on the carb where the cable goes in, on the throttle and the idle screw Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. bike My throttle cable was getting frayed and needed to be replaced, now it either idles high or comes down and dies depending on how it's adjusted by the adjustment by the throttle lever. 004 and matched the cyclinder at a local machine shop - leak tested the valves - piston and cylinder are good only About 1/2 block from my house it died out on me. And when I give it more throttle it completely dies. . bike No, you're not going to get much out of a motorcycle charging system at idle / high idle (2K rpm or less), but it should be enough to keep the ignition circuit alive. Not good. (TPS) Throttle Position Sensor is not adjusted properly. Maybe with a little gas to help dissolve and flush away the old, gummed up gas. new plug/gas/cleaned carbs. It runs fine at speed but it'll stall if it idles for more than a second or two if I don't give it a little throttle. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. My issue is with an '89 Honda Pacific Coast: It will start and run at an idle but as soon as any throttle is applied, it dies. Has smooth throttle response until I hit about 3900 rpm and then starts to miss and hop up through about 5000 then seems to smooth out a bit but if I back off the throttle (to shift) and the rpms drop it starts missing and hopping again. when you give it throttle and let off, it dies as soon as the rpm goes down. It will have a small clip and numerous slots that it can be adjusted to. I've had this happen before and it was the battery, I checked the battery and have 12v+ when off, and over 13v when idling and when I try to twist the throttle. It means that its responsible for always pushing small bits of gas through, even when no throttle is applied, to keep the bike running. it will run with the choke on but not really well and as soon as i take the choke off the engine races up to high idle then slows and dies or runs like crap. If it idles fine but it bogs down with throttle, your high speed gas jet is probably clogged. Sliding the metering needle down will lean out the mixture, moving it up will richen the mixture. It's something I haven't done in more than 40 years, but I see where Autozone sells a carb cleaning bucket with colander just like we used so many years ago. Motorcycle starts but works only at idle, if i try to accelerate it stops. Basically the idle stays around 1000 rpms and drops enough to stall the bike. When you roll the choke off, it dies. The only problem I've had so far is that the engine dies or dies comes back once in a while. If you close the fuel screw to the stop and the engine does not die, you have too large of a Pilot jet. When it is on full choke it idles very high. Try it in several locations and pick what works best. I checked the TPS via the diag and it looks good. Went back to 20 pilots because 25 is just too rich, even if it's doing the lean wheeze at throttle. It's been sitting for a good 2-3 years. The jet you mentioned on the intake is the idle air jet. The enricher circuit is VERY rich and it will foul your plugs. If it does catch, it's at very high throttle and takes off like a rocket. I pushed it (shamefully) home and put it in the garage. Fixed that. D. Turn that enricher off as quickly as possible. it has spark all the way til it dies. If I turn the throttle very slowly it will accelerate to about 2000 rpm's before it starts to sputter a bit and seems to want to die if I continue accelerating. Joined Sep 16, 2012 · 3 Posts . So your motorcycle engine is running at idle speed when you start it up in the morning (Until you start riding the bike), or when you are stopping at a red light and the engine is kept running. I let it idle for a good 5-10 minutes and kept trying but to no avail. everything stock but a pro circuit pipe & silencer. Fix: Recommended RPM for idling: (use a tachometer) However, when I give it throttle, it spits, stutters, coughs & dies. Pilot jets are clogged. The bike has fresh oil change, new air filter, plugs, battery, fuel pump and cpu. If it idles then you have all three ingredients, spark, air, fuel. (first post). Worst after stationary idle, but also after moving at low to medium speed with closed throttle and then accelerating. Does this in neutral and all gears. both plugs. Your plugs are probably fouled. What can I do about this. Bike finally runs on the choke but runs like crap. Throttle Position Sensors (TPS) typically wear in the idle and just above idle positions, but they may also have dead spots at any point in their range of travel. T. any Ideas will be entertained, photos of gals optional, I need something to smile about. Every time. HELP. Both cylinders 86 Posts. At first it showed when I slowed to enter town after running at 75mph or so in 80°F or so temps. Place your motorcycle in neutral and start the motor. It sat for a while, now it wants to run it just dies off throttle. Have a certified technician perform a diagnosis for the high idle to find which is the cause. Not related to the doohickey upgrade, but . boyesen reeds. Rough on idle, when I tap the throttle bike dies. When I go to try and start the bike, it has a lot of trouble. After much idling and some 1/4 to half throttle riding the plug is sooty black which indicates rich, but the severe bog when opening throttle would indicate lean. And by bog I mean an abnormal amount, like if I’m not easing up like a grandma, the thing dies like I hit the kill switch. I start it, it idles ok, I can apply throttle and rev the engine just fine for the first couple of minutes, and then, after that, it wants to die if I touch the throttle. #9 · Oct 5, 2016. Here is another method to adjust it. The carb was cleaned last week by a motorcycle shop using a heated sonic carb bath. The idle air screw adjusts the idle mixture. Show activity on this post. The throttle adjustment screw doesnt seem to help as I keep turning it to the end and the idle doesnt change. I have a 2006 Vespa LX 150 that starts up and idles perfectly but, when giving it any gas at all, it starts to stall and it is not delivering enough power to move forward. Vespa idles fine, stalls with throttle. Idle level too high A high idle level is not dangerous for your motorcycle, but it have a few disadvantages and it's still a sign that something is not right. Idle Positioned Too Low. My CB750 K4 idles fine when I start it up, and when cold, seems to react fine to revs. When I take off the choke bike dies. As I rolled off the throttle approaching town, I could feel the engine wasn't smooth, It surged with what felt like a misfire or too much Idle is the engine condition where the engine is running but you are not touching the throttle grip. Check the intake manifold for air leaks by spraying some brake cleaner around it as the bike idles, if the bike dies when sprayed then there's an air leak. Tried to ride it today and if I hold the throttle in just the right place I can get it up to about 15 MPH. One thing to do would be, to trim a single piece of wire off of a soft brass bristle bursh, and run it through the jet. WHAT THE F#%K IS GOING ON!!!!! 2003 yzf 450. 1 1/2 turns out on both. This happens when it is cold or warm. idles fine. I had removed the carbs and cleaned all the jets. 23 Posts. The bike will only start with the choke on. Hi guys, thanks for the welcome to the forum. If the carb has an accelerator pump, adjust it 3/4 of the way. 2003 yzf 450. No upgrades just bone stock carbs. Sounds like the Fuel screw, close 1/4 turn (engine warm) until there is no hesitation from idle. The other problem is when I roll on the throttle the bike dies around 2500 rpms and Idle is the engine condition where the engine is running but you are not touching the throttle grip. The bike dies with choke in completely if I try to accelerate. A stuck/binding throttle, vacuum leak, bad throttle position sensor, coolant or air flow sensor all can be the cause of a high idle speed. Put your hand over the pipe to try to determine which cylinder is cutting out. Joined Nov 1, 2010. not sure what els to try please help. When it runs, it'll do one of two things: 1) it'll very very slowly bog down and die by itself or 2) it'll idle but as soon as I give it any throttle it'll cut out. It dies if I apply throttle. Revs up to 5k with choke, so im guessing the carbs clogged again immediately but want to make sure im not missing something. You don't want to wait to get this checked out! If the idling appears off, it means the computer is unable to identify the fully shut throttle. motorcycle idles but dies with throttle

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