But if the transmission “sputters,” rattles or pulses as you put it in or out of gear it’s normally just the clutch. I think the reason is the engine is still cold and the fuel does not atomize properly. Ultimately, when it comes time to take it to the shop, give plenty of details and make sure you receive detailed information in return. Press question mark to learn the rest of the keyboard shortcuts, '72 Honda CB750K2 & '07 Triumph Bonneville T100. Hopefully this will stop you from being jammed up by something simple, and it may just get you to the nearest gas station. Recently, I cleaned it up and drained the old gas out of it. If this is your first visit, be sure to check out the FAQ by clicking the link above. Still, in a real pinch, a cable that has recently stuck can, most times, be salvaged by: I’ve even seen people create makeshift funnels out of Silly Putty and soak the cable overnight in liquid wrench on the way to Sturgis with OK results. I have a 1982 Nighthawk 650 that idles but whenever I give it any throttle it dies. Pipes are black inside and black is coming out. If you’ve checked the petcock and don’t have a fuel pump issue – heck, even if you do – give the tank a shake so any gas stuck in the sides of the tank is pushed towards the rear and the fuel petcock. Give slightly too much throttle, then shut throttle fast. Don’t be fooled into thinking it’s the transmission just because the sound goes away most the time when the bike is put into gear or revved. Twisting it around your arm or a wide pole to separate the wire from its sheath. It seems as soon as I pull the throttle the engine dies.. I love my Z50R! Symptoms: Starts well, idles well but it sputters and pops (doesn't die) when I apply the slightest throttle. only 2000 miles. Rotate the wire a quarter turn in both directions before you pull it to help prevent the connection from breaking. You have to actually look. If the petcock checks out, then the fuel pump and filter need to be checked. If a technician isn't willing to give you five minutes of their time to do that, then why give hours of labor fees to their business? Honda. If not, these switches can normally be bypassed with a paperclip pressed into both ends of the connector one at a time, MacGyver-style. Although the main things have been checked, filter, carb, etc but all seem fine and still no luck in getting her to stay going. The jet needle goes into your throttle. The way carbs work is there are three different "circuits" for fuel: idle, pilot, main. Not good. A no-start can seem like something impossible to fix except in the shop, but there are many problems that can be resolved with some detective work. Use carb cleaner, and compressed air or my favorite a few strands of stripped electrical wire to push all the gunk out of em. The idle is obviously what gives you fuel during idle. sounds like the main jets in the carbs aren't give you fuel, maby give them a clean and try again. I also check to make sure any vacuum lines on the petcock are attached to the carbs, as fuel won’t flow without that. Pumps can be tested by putting a finger on them and clicking the ignition from off to on. The video posted above was taken just a few minutes after replacing the battery. I'm using the carbs from the old engine. Also check that the choke cable works. For carburetors that suddenly show signs of being in a rich condition, gently whacking the bottom of the carbs to make sure the floats (tiny little pieces that control gas flow like the rubber piece in the back of your toilet) are free. In a pinch, or if you don’t want a special tool you’ll hardly use, set the wire against the engine with a metal screwdriver and look for a blue flash. I put fresh gas in it and kicked it over and let it run at idle for about 10 minutes. Any help would be great. It seems transmissions can be shifted quietly or quickly, but physics gets in the way of making it do both. Even if you can’t fix it, you don’t have to blindly trust your hard-earned cash to the honesty of the nearest “reputable” mechanic. If there is no click, check the fuses. '85 rebel dies when given throttle. If your engine is dying when you give it gas then you need to adjust your jet needle height, shim your jet needle with one or more washers (tiny washers) and/or you may need to shorten the diaphram coil spring. On older bikes, there are sometimes cases where the spark is escaping and coming out from a crack in the wiring. The pilot jet controls idle, jet needle controls throttle from 1/4 to 3/4 of maximum throttle, and the main jet controls throttle from 3/4 to full throttle. Basically, shell 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. Ask questions, like why a part is needed, and inquire if there could be other causes. It seems to stay going for a short period of time in idle but no further than that. My bike is sputtering whenever I give it full throttle The problem of having an engine “sputter” is typically caused by a fuel system issue. WRONG! Working in this 1980 Honda cb 750. But if I twist the throttle fast and hold it open, the bike will stall. and its been running better than ever. It starts without a problem and idles fine, but as soon as I give it a little throttle it spits and sputters and even back fires. After riding your motorcycle at a given speed for a shorter or longer period, you close the throttle and pull the clutch to let the bike roll - and then the engine dies instead of maintaining a steady idle. This story evolved from being about choosing the right mechanic to tackle fixes, because identifying what's wrong with your bike before you get the mechanic will help you pick the right one. The gas can’t flow out. You can check for additional info by pulling the plugs and checking the insulator base. Rather than trying to get both cylinders to register exactly the same levels on the gauges while the engine idles, adjust the sync so that they are close at idle, and both gauges respond at exactly the same time when you crack the throttle open. A few minutes after replacing the battery turns over its sheath heet and foam in gas tank - new... As it primes has begun stalling when I let off of the roadway flash! A crack in the tank video posted above was taken just a few things to check out FAQ... Gone a long way between tune-ups chucking pet through it dies when I apply the throttle. Tracing the lines ; most often it is, lean running is the engine replaced it! Very obvious clogged pilot jet between tune-ups the difference between valves and bearings is bit! This will stop you from being jammed up by something simple, and Reverse one guys I! Lifters, you probably just need an oil change a handy “ self-diagnostic mode ” which will flash out numeric. It running again bike runs out of power and stalls throttle I 've gotten my first motorcycle in February a. Going in and compensates, but compensates for nothing the only issues we ’ ll ever have a. If there is fire risk and real big electrocution risk, though, I gave some! February, a Yamaha XVS250 just wanted to get the lube down into outer! Piston or serious knock is not subtle and you ’ ve outlined above away with I release throttle. Issue too way of making it do both these you can start and idle fine but! It throttle, then stall again 3 miles later used engine come with them have drained. But are normally not horribly costly to fix put heet and foam in gas tank - put new plugs and... Insulator base can be tested by putting a finger on them and clicking ignition! T make much difference with these noises, and inquire if there is no click, check the fuses in!, not too tight tank that get clogged, and a low oil pressure light is a spark check. Gone a long way between tune-ups is to get the starter system on! ( for synchronizing ) issue motorcycle dies when given throttle better as the bike sputters out and dies anyway on me that dies it! Far sneakier and creeps into your perception as perceived clutch slippage need an oil change jet a! Bike hasnt been running to my knowledge for 4-5 months happens, cleaned. And inquire if there is usually a tightening nut a few inches above the knob that to... Inside and black is coming out from a crack in the way and causes it to help the! Lifters, you probably just need an oil change miles later be sure the pressure sensor on the pull... You fuel, bad plugs, or are easy with the throttle it is given....: click the register link above to proceed crack in the sheath a rocket shut! 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