Fuel Injectors

fast old guy

Registered
Hey Guys,

I have an 06 Busa with only 21k miles. The stock header pipes remain. The right, one or two cylinders are burning richer than the left two. Much more soot on the right pipe. Suggestions....could this be an injector issue or computer or what ?

Thanks
 

fast old guy

Registered
I did replace them with Iridium plugs at the time i checked the valve clearances at about 18,500 miles. A little more info.....I do have a Dobeck performance CDI box on the bike. I thought that may be the issue. I disconnected it and ran the bike about 25 miles. Still the same.

thank you
 

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