Questions & Answers for: Yamaha back firing

rear clyner runs rich and backs fires the cleyner runs rich and back fires and cuts in and out is it timeing or fuel thanks check valves and clean carbs

it starts miss firing , back firing , cutting out and just generaly running bad. it's had the carbs cleaned out and the ''correct'' washers put in the jets. Can any body help??? check valve clearances

virago overheat and back fire i own a 90 virago xv1100 it over heated in traffic and would cut a cylinder out briefly on the high way running at 75mph.also it back fires on decell is fan working at ...

...bub pipes on my 2000 yamaha dj683 i installed bub pipes on my 2000 yamaha 1100 now i have a bad back fire .shop installed jet kit.carbs have been synchronize still have a back fire. help! I too ...

Back firing and doesn't fire on on cylinder until warm 1983 Virago. Until warmed up it doesn't fire on one cylinder. Then when warmed up it miss fires and back fires until running hot then runs smooth

...may do but try this 1st on carb is a screw turn this in 1/4 of a turn at a time until it stops back firing if it still back fires with it all the way in the jet in there is too big go down a ...

...it will ruin yur engine try squirting petrol on the inlet and see if it fires for a second get back to me ...

My Yamaha yz250F 07 starts first kick but back My Yamaha yz250F 07 starts first kick but back fires when it revved up? I've just fitted a new spark plug. Any other ideas to the problem ? I see: you ...

yamaha xv 1100 virago front cylinder will not fire when on choke but will back fire occasionally but seems to run ok when engine is hot. Both cylinders are sparking perfectly . Smells of unburnt fuel.

1981 XJ 650: bike not firing all the time.but when it do it bac... Bike not firing all the time.but when it do it back fire. visit xjbikes.com there is a lot of info there .