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-   -   First top end rebuild on 07 300.. (http://www.gasgasrider.org/forum/showthread.php?t=18721)

spooly 12-11-2014 04:14 AM

First top end rebuild on 07 300..
 
Here's some pics and info, I would appreciate any comments or advice or if anyone spots something my untrained eye missed. . first of all I found two base gaskets I will be replacing with one what will the results be?? http://tapatalk.imageshack.com/v2/14...cc00869e5f.jpg
some pics of the old piston I think the new was overdue? ? http://tapatalk.imageshack.com/v2/14...1d6f7d0ab5.jpghttp://tapatalk.imageshack.com/v2/14...d9adbe3d2a.jpghttp://tapatalk.imageshack.com/v2/14...7f1c37cedc.jpghttp://tapatalk.imageshack.com/v2/14...6104fa5c27.jpghttp://tapatalk.imageshack.com/v2/14...f5dfca5019.jpg
the cylinder looked good I could still see the crooshaching from the old hone.. I measured the ring gap at a couple of points down the cylinder with the new piston ring. . maximum ring gap was 0.20 the top of the cylinder ring gap was 0.15...
image of the head the carbon staining look odd all on the exhaust port side http://tapatalk.imageshack.com/v2/14...570d646ec1.jpg


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