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Harley 1200 rear pipe shooting

dawroz

Member
Hallo.
I have sportster 883 converted to 1220 (wiseco). With new pistons - I restored my 883 heads.
After conversion my bike runs fine but on low RPM and when RPM lowers from high RPM - my back exhaust pipe is shooting with blue fire.
Anybody knows - what is the reason of my problem?
 
Hallo.
I have sportster 883 converted to 1220 (wiseco). With new pistons - I restored my 883 heads.
After conversion my bike runs fine but on low RPM and when RPM lowers from high RPM - my back exhaust pipe is shooting with blue fire.
Anybody knows - what is the reason of my problem?
Leak at flange gasket, intake leak, carb TOO lean, pushrods not adjusted right. Start with a compression test on BOTH cylinders, check intake for leaks
 
????????
How does a leaking cam cover gasket fix the problem???

:bigsmiley8:

I'm in WONDERMENT Also... Unless OP means the Outside of the pipe was Sooted.

OH,,,,MY Bad... Shooting Blue Flames?????

Maybe OP will explain....Please...:coffee
 
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