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Ryobi 31cc ?
I have a Ryobi 31cc engine mounted on my GP Giant Stik. When I advance the throttle forward the engine will hesitate and then throttle up but only at about 50% power with throttle full open. I have a pitts style muffler mounted on the engine, when muffler is left off I have no problem with the throttle going to full power. No hesitation and l00% full power with no muffler.
Can anyone out there help me solve this problem? |
RE: Ryobi 31cc ?
ORIGINAL: Dave172 I have a Ryobi 31cc engine mounted on my GP Giant Stik. When I advance the throttle forward the engine will hesitate and then throttle up but only at about 50% power with throttle full open. I have a pitts style muffler mounted on the engine, when muffler is left off I have no problem with the throttle going to full power. No hesitation and l00% full power with no muffler. Can anyone out there help me solve this problem? |
RE: Ryobi 31cc ?
What pitts muffler do you have? In the description sounds like the muffler's problem.
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RE: Ryobi 31cc ?
It is a Bennett muffler
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RE: Ryobi 31cc ?
Some of the Ryobi's have a REV limiter in the ignition and it is set close to 7000 rpm so it is best to run a 18 -8 prop on them
I have a couple of these and one has the REV limiter. The ignition gets rough above 7000 |
RE: Ryobi 31cc ?
I took off the engine back plate, made a new gasket and bolted the engine back to my mount. Took the plastic limiter caps off the need valves, adjusted the low end needle valve. It now runs great.
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