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Old 01-21-2015, 09:46 PM
u2smile u2smile is offline
Motorized Bicycle Member
Join Date: Mar 2014
Location: Gulf coast
Posts: 24
Question Small Engines cold air and Performace.

Hi all,
Say I have found I have less oooomph for my 31cc 4 cycle.
With air in the 40 /50s anyone else see this?

I had thought cooler air being more dense would have given me more.

Type of fuel I am using marine grade gas, no alcohol.
Anyone using hybred? effects on rubber?

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