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jkv45 · October 28th, 2016, 06:59 AM

Do you do a lot of short trips? How long do you let it warm-up? Short trips and extended idling for warm-up will cause a rich mixture, but extended riding should burn it off. Once it's fully warm, do you rev it often or run it at lower RPMs mostly?

I would add some fuel system cleaner like Techron Concentrate (1oz per gal) to the next tank or 2.

If it's none of the above, I would expect a leaky injector might do it.

EDIT: Don't run 20W-50. No need for it. Synthetic oil is better, heavier oil is not.

October 28th, 2016, 06:59 AM	#2
jkv45 Rev Limiter Name: Jay Location: WI Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot. MOTM - Jun '18, Oct '16	Do you do a lot of short trips? How long do you let it warm-up? Short trips and extended idling for warm-up will cause a rich mixture, but extended riding should burn it off. Once it's fully warm, do you rev it often or run it at lower RPMs mostly? I would add some fuel system cleaner like Techron Concentrate (1oz per gal) to the next tank or 2. If it's none of the above, I would expect a leaky injector might do it. EDIT: Don't run 20W-50. No need for it. Synthetic oil is better, heavier oil is not. Last futzed with by jkv45; October 28th, 2016 at 09:21 AM.