So I picked up this F2 (full Vance n hines and supposedly a jet kit installed).

When it gets a little warmer I'll drain the gas (possibly old) and check the plugs but ...

WHAT IS USUALLY THE CULPRIT FOR A BIKE THAT BACKFIRES, I MEAN LIKE KA-POW WITH SEVERAL INCHES OF FLAME/FIRE OUT THE TAIL?

No jokes please....er....ok jokes and advise pls. I'm presuming it is running rich and the fuel is unburnt gasoline.

Ali

 

or the exhaust reburn stuff is still there,the egr vavle

 

usually that happens when unburned fuel gets into the exhaust and then catches fire. check the plugs, you are probably running rich if it is doing that.

 

my buddys old 94 900rr did that ****.. i believe it was the carbs

 

my friends 02 r1 did that on demand. It was a yoshi slip on. **** was pimp

 

my 7-s did it until i pulled the egr vavle,after a jaridine slip on and jetting

 

I love it when flames spit out my ***!!!!


Seriously though, every F2 I've seen does that... Not sure why

 

My friend makes it backfire on purpose on his 04 ZZ-R. Shoots 1 foot flames out his pipes. Its loud and annoying as hell, but it looks cool at night. Mine does it too but only when i slam on the gas and then back off real quick

 

umm... if you turn the kill switch off then back on when your bikes in higher RPM's it shoots a huge flame out the exahust with a loud BANG great to do in underpasses to scare the living bajesus outa grandma and kids :YEAH

Im assuming your talkin about it backfiring when you let off the throttle though? My F2 doesnt do that

 

some of the people i ride with just drive down the road, and turn off/on the killswitch real quick lol... for some reason i think thats not a smart idea