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Old 05-26-2017, 06:24 PM   #10
ripcuda   ripcuda is offline
 
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Join Date: Mar 2015
Location: Spokane, WA
Posts: 253
Well... got the valve cover pulled and checked my clearances. Still fine... so I loosened them both up to be "tappy"... but that still made no difference. I can hold my thumb over the spark plug hole while cranking and there is not enough compression to push it off. Darn.

So started pulling the head... and another darn! The head sits on studs/guides... and as such can't clear the rear head engine mount. So gonna have to try to undo front engine mounts and tip it forward an inch to get the head off. If that doesn't work... guess I'll have to try and disconnect the shaft-drive part bolted to the engine to be able to remove the engine.

Still not sure of the issue... as I lifted the head and inch... I saw what looked like a big dimple in the middle of the piston... but couldn't see it clearly. Leaned out a hole in it?? We'll see soon enough.

Cheers!
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'04 Yamaha TTR-125LE
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'07 KMD GY6 150cc ATV (sold)
'07 Kangchao 250cc ATV Monster (sold)
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'06 Hi-Bird 200 parts bike (sold)


 
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