Author Topic: Ms 290 rebuild and questions  (Read 1151 times)

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Offline kr5258

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Re: Ms 290 rebuild and questions
« on: November 15, 2013, 05:46:19 pm »
Measure your piston front to back at the bottom of the skirt.
I wouldn't tune over 13000 RPM.
Look for C3 rated bearings.
That's one of the ways to open the muffler. Cut the deflector back to the first bend.
Pull the carb limiters and tune appropriately. ( I seem to add about 1/2 turn on the H )
Have fun!

 

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