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Notice Board (2-Stroke Karting)

W60 comer - glazed bore
Posted by 'KevinZac' on 10 Aug 2011 @ 07:10

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KevinZacJoined: July 2010
Total Posts: 1
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Hi everyone, can anyone help or advise me. We run unsealed W60 Comer engines. I recently fitted a new barrel, piston/rings, head, etc, (checking all dimensions, clearances and timing degrees) set High and low jets at one turn out, fuel mix at 20:1 and ran it in for 6 x 15 minute sessions at quite a slow pace (this was our first rebuild). Once run in we completed one race week end with +/- 2 hours run time. Engine seemed to go fine although my son was a bit slower than normal which I put down to an off day for him. After race meet I took the head off to check and the bore is very glazed up and is showing a high rate of wear. What have I done wrong – is it something to do with the actual rebuild or were we too gentle with the running in. Any advice would be appreciated as I’m a bit lost and concerned. Thanks

Message Thread:

W60 comer - glazed bore by 'KevinZac' << You are here!

Re: W60 comer - glazed bore by 'Danlee' (10 Aug 2011 @ 11:53)

Re: W60 comer - glazed bore by 'KevinZac' (10 Aug 2011 @ 12:33)

Re: W60 comer - glazed bore by 'Spice' (10 Aug 2011 @ 13:14)

Re: W60 comer - glazed bore by 'KevinZac' (11 Aug 2011 @ 6:47)

Re: W60 comer - glazed bore by 'MJC' (15 Aug 2011 @ 22:02)

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