RCU Forums - Ryob1 31cc

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tfowen53

10-16-2011 04:01 PM

Ryob1 31cc

I have a ryobi 31cc conversion I'm getting (was getting) to install in a new plane. While test running on the stand today the muffler bolts came out...the threads are stripped. How can I repair it? Heli coil kits are more than the engine is worth. Can I use JB Weld or similiar, or are the temps too high?

Thanks

Tom

spaceworm

10-16-2011 04:25 PM

RE: Ryob1 31cc

If there is enough metal around the holes, just drill and tap for the next thread size. If it is SAE, try the next closest metric and vice-versa. If that is not a doable, contact Clarence Lee, I am sure he can put Helicoils in it for a reasonable price. Good luck.

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