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Old 09-12-2017, 10:40 AM
Satanic Mechanic Satanic Mechanic is offline
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Default Pinhole in case

Upon splitting the case on an '03 280 I found a pinhole leading to transmission side. I'm a Harley tech and don't have a lot of experience in 2 strokes, but I don't think the hole should be there. Any info would be appreciated


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Old 09-12-2017, 12:08 PM
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Welcome to the forum.

Does it look like a casting flaw or a drilled hole?
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Old 09-12-2017, 05:08 PM
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Thought it was cast in at first
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Old 09-12-2017, 07:06 PM
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Looks like it is drilled.
That does not seem right, as the crank case should be totally sealed from the transmission.

I would contact Jim Snell as he is the trials bike guru.

http://www.trialspartsusa.com/repair-services.html
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Old 09-12-2017, 07:08 PM
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https://www.youtube.com/channel/UCUw...qPZ175A/videos
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Old 09-13-2017, 09:57 AM
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Much obliged
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