1985 Yamaha FZ 750 FM (Japan) "motorcycle backfire slowing down" Questions

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Question about Yamaha FZ 750 FM (Japan Motorcycles

2 Answers

slowing down. Any suggestions. Sounds like fuel is still entering one cylinder after releasing the throttle. Time to have your carbs cleaned as well as synchronized. Good Luck!!! TRY DIFFERENT JETTING

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Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

motorcycle (gsxr600 - 2002) with a carburetors accurately synchronized. today i drive and hear backfire everytime i slow down... when i turn down the gear, i hear backfire, only in low rpm. can u help

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Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

...all the time when throttle shut off and your slowing down go on google check the air mixture and altar the air screw on the carb to wot u find on the net easy job thers only 2 screws on the ...

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

...down the idle. The backfire is caused by turning off the ignition key when the bike is at high revs. let it idle down THEN turn it off. The backfire is there because the carb idle circuit is active ...

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

...slowing down for traffic lights, or corners, stopping, etc.. Bang bang bangbangbangbang. I am using standard unleaded petrol [ULP]. Evan Holt Two things cause this problem, ONE: Your timing could be ...

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

...backfire out of carb every time i let off the throttle or slow down for junctions some time seems like will die, could any one please help :) it could have a burnt out inlet velve or it may be the ...

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

slowing down backfire while decellerating your idle mixture is too lean, meaning that when your not on the throttle, your engine isnt getting enough fuel, and just a bit too much air. there is a screw

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

...RELEASE IT IS FOR SLOWING DOWN FASTER OR FOR CRANKING COLD.USE IT TO GET THE PISTON TOP DEAD CENTER AND THEN CRANK. OR WHEN YOUR RIDING YOU CAN USE IT TO SLOW DOWN WITHOUT HITING THE

up? usually while slowing down, sfter shutdown I get a backfire too? check your battery connections - especially the neg are nice and tight otherwise it sound like a short (bad earth/ground) somewhere

Question about Yamaha FZ 750 FM (Japan Motorcycles

1 Answer

my 86 suzuki intruder 700 backfires out the exhaust at idle. and makes a tapping noise. i already did a valve adjustment an new plugs It could be the speed of one carburetor is faster than the other. ...

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