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Backfiring in a Honda 400EX when you let off the throttle is often caused by an overly rich fuel mixture, which can result from a dirty air filter, incorrect carburetor settings, or an exhaust leak. Additionally, it may be due to unburned fuel igniting in the exhaust system. Check the carburetor and adjust the air-fuel mixture, and inspect the exhaust for any leaks to resolve the issue. Regular maintenance can help prevent this problem from occurring.
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How do you fix backfiring on a Suzuki 230 Lt quad?
most likely cause is a leak in the exhaust system it lets in air causing the residual fuel in the exhaust system to explode that usually happens when the throttle is shut off
How do you make the 400ex faster?
make a 400ex faster put a intake, jets, cam, piston recomend a 416, and take some things off that are heavy
How do you prevent a Briggs and Stratton 17 hp lawnmower from backfiring when you turn it off?
Allow the engine cool off for 15 - 20 seconds. Position throttle to full speed and turn ignition switch off. This will reduce the vaccum through the carb thus drawing less fuel into cylinders.
What causes a Honda 400ex to backfire when choke is off?
running lean can cause your 400ex to backfire ..if it backfires on deceleration its lean ...if it pops on acceleration its running rich.====carb issues
Will your car stall out if the timing is off?
Sure can. Backfiring and very poor performance as well
How do you prevent backfiring in 350 1972 camaro?
either the timing is off or you have a plug wire crossed.
Why is my sunfire gt 2.4liter backfiring and stallling after a water pump job?
the timing has been thrown off
How do fix a 1993 Chevy Lumina that is sputtering backfiring and cutting off?
replace spark plugs and wires
How do i fix 4 stroke motorcycle backfiring?
Your timing is off in most cases, or your carburetor needs adjusting.
Will a carburetor off a 2005 Honda 450R fit a 2002 400ex?
yes i just put one on my 2001 400ex the only thing you really have to do is take the intake manifold and hoen it out some the intake tube is a tite fit but it works
1982 Honda cb900 custom and it backfires when you let of on the throttle what causes this?
I have the same bike, same year. First I'd say, is it really backfiring (small explosions in the tailpipes) or more "popping" when you let off the gas? I think backfires might be more common on giving an engine gas, not letting up... Mine was popping (which I originally referred to as 'backfiring', as well), and the diagnoses was that the engine was running lean, and when I had the carbs cleaned, it went away completely.
Since the carburetor was overhauled the 1984 Yamaha enticer snowmobile keeps backfiring?
The engine backfiring at idle, and at slightly off idle speeds is indicative of a lean fuel/air mixture. Try enriching your fuel mixture.
