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Dirt Bike Mods & Maintenance
Shattered Piston Skirt
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[QUOTE="derekb_55, post: 440094, member: 21750"] The other day the piston skirt shattered on my 2001 CR 250. I am wondering about causes. It has had about 3 Wiseco top end jobs in the past. This time we used Vortex because Wiseco was out of stock. The new Vortex had about 5 hours on it when she blew. I'm wondering how it is possible that there was too much clearance between the cylinder and piston??? Could the cylinder be worn out already? A piece of the piston went into the case and made it so it wouldn't turn over so I thought it was seized until I got it apart. I didn't force it or anything so the bottom end should be ok right? [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Shattered Piston Skirt
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