Need Help With US Gas Engine RPM
06-29-2004, 04:45 AM
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Need Help With US Gas Engine RPM
I have a US 41cc gaser and the rpm will not get over 6,200. I have used two different tachs and both read the same with a Zinger 18 x6 and 20 x8 prop which give me 6,200rpm.I'm using 87 octane and have close to a gallon run through the engine. Can some one tell me why the rpm doesn't change and what can be done to obtain a higher rpm?
Thank you.
Thank you.
