Gas Oil Mix Ratio

ragtoplvr · 07-11-2010, 07:53 AM

There have been a lot of other changes in newer bikes to help them run at the lower oil content. You should not run an older engine at these lean ratios.

An old 16 to one or 24 to one engine with sleeve bearings (i know they exist, I have seen one do not know brand) will do best at 24 to one,. If they are roller you can go to 32 to one or maybe 40 to one. I would not ever run an air cooled 2 stroke at more then 40 to one, on hot summer days I would go back to 32 to one. Water cooled can go less oil. The penalty for too much oil is less than the penalty for too little.

My $.02

Rod

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07-11-2010, 07:53 AM	#30
ragtoplvr Beastly Adventurer Joined: Oct 2007 Location: S. W. Mssouri Oddometer: 4,552	There have been a lot of other changes in newer bikes to help them run at the lower oil content. You should not run an older engine at these lean ratios. An old 16 to one or 24 to one engine with sleeve bearings (i know they exist, I have seen one do not know brand) will do best at 24 to one,. If they are roller you can go to 32 to one or maybe 40 to one. I would not ever run an air cooled 2 stroke at more then 40 to one, on hot summer days I would go back to 32 to one. Water cooled can go less oil. The penalty for too much oil is less than the penalty for too little. My $.02 Rod