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-   -   120 sf (https://www.rcuniverse.com/forum/ys-engines-support-197/2789131-120-sf.html)

greyhound man 03-21-2005 02:27 PM

120 sf
 
I'm in the process of replacing the cylinder liner and piston ring / piston in my 120sf, but i can't figure out how to get the connecting rod off the crank. any help would be greatly appreciated. thanks- Chris

Dave Shadel 03-21-2005 03:27 PM

RE: 120 sf
 
Have you removed the cylinder? Push the wrist pin out of the piston and slide the rod off the crank. If the engine has been run a lot, there could be a burr on the pin where the disc valve rides against it, but this would be rare.

greyhound man 03-21-2005 05:09 PM

RE: 120 sf
 
I removed the cylinder liner but i cant seem to get the piston out. the piston never clears the top of the casing


guess im a little slow... if you pull the rubber bushing out of the casing it makes it much easier to remove the wrist pin. thanks for the help.:D

Dave Shadel 03-21-2005 08:20 PM

RE: 120 sf
 
You're welcome.


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