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Old 05-27-2010 | 08:21 AM
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Default RE: brison motor 50cc help.

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Just bought a used 50cc brison. It's on a 80 inch cap total weight 16 pounds, am I incorrect or should this plane rocket with this motor power seem's low and misses??? Any suggestion's on what I can do to fix I am new to this.
Assuming the timing and ignition is fine,,

Also check,
The smoke tap is 100% plugged,
Carburetor screen is clean (this is a 1-2 gallon run time maintenance)
Use only 91-93 octane gas, they'll detonate on the cheap stuff

You'll love the Brison if you take care of it,,
Mine is currently in the 5th airframe over 12 years,, 80" extra 300
I'd guess well over 20 gallons of fuel though it

Good luck, and Welcome to RCU