Running Rich? Carbony Exhaust...

[Swifty]

Quick question...
Did a search on this and no dice...
Is it standard for the engine to run rich?! It's kind of obvious with the carbony exhaust and gassy exhaust smell. I actually like the smell of it, though. Smells like SPEED!!!! My father's 66 'Vette smells the same and that thing kicks arrrrse!!

Oh and...Will tuning the carbs leaner cause any problems? I've never worked with a Vtwin before, and curious as if the engine would suffer in performance and/or mechanical aspects.

[Pete.L]

Hi Swifty
On a previous post you said

Wowie! I have Yoshi RS3 cans roaring out the back

These pipes will need to run richer than normal std pipes as they have a higher flow rate. A quick test to see if the mixture is right is to pull out a spark plug and see what colour its burning.(Tan good ,Dark brown bad ) If the plugs check out ok don,t worry, if not, the best thing to do is get it on a rolling road and have em set up. They should be able to optimise you mixture and thus maximise your Bhp

Pete.l

[Swifty]

Hi Swifty
On a previous post you said

Wowie! I have Yoshi RS3 cans roaring out the back

These pipes will need to run richer than normal std pipes as they have a higher flow rate. A quick test to see if the mixture is right is to pull out a spark plug and see what colour its burning.(Tan good ,Dark brown bad ) If the plugs check out ok don,t worry, if not, the best thing to do is get it on a rolling road and have em set up. They should be able to optimise you mixture and thus maximise your Bhp

Pete.l

Yes I did say that !!! Thanks for the info. Flow rate makes sense to me!! I guess I'll leave everything the way it is. Plugs are tan/grey Goot Tah GO! Weather is supposed to be snowy and icy for the rest of the week...no ridey.