1990 Yamaha FZR 600 "backfiring 1 cylinder 2 engine" Questions

...backfiring. checked leads and plugs all look to be in working order. fuel pump is working fuel is getting to carbs and they seem to be working fine. i'm wondering where to look next? Hi, Initially, ...

backfiring on acceleration Bike idles as though on one cylinder. Backfires on acceleration up to 3000rpm. After 3000rpm. works fine Sometimes, the easy solutions, are the best. Here are a few ideas. 1

...cylinder's 1+4 Strip the carburettor's, blow through the jets with an airline and use fresh fuel. If you fuel tap has a 'prime' position put it there until you have ridden a few miles. I am the owner ...

1 cylinder Intake lobe is facing to the left. No.1 Exhaust is facing to the right. If you put a degree wheel on the gear end of the camshaft, and had the No.1 Exhaust lobe ramp nose facing straight up

...1 of the plugs in the other cylinders. Run a few tanks of gas and pull both plugs. Did the good plug you put in the bad plugs place turn black? If YES, the problem is a rich fuel condition in that ...