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02 cr250 upgrades/ mods


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So I have a 02 cr250. It has well had a wiseco bottom end...lol so I did some research and found out that I can use a 05-07 crank. I want to know if I do get a bottom end kit will all the gaskets work? I hope so because I got a hotrods bottom end kit for it. Also in your opinion what piston is better to go with or what have you had over all best exercise with? Thx for reading and opinions.

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Your post is a little confusing but it appears you ordered a Hot Rods kit for a 05-07 and wonder if the gaskets will work on the 2002. I believe the gaskets will fit on the bottom end. The 05+ has a thinner base gasket. I have owned an 03/06/07 versions of your bike. Always used OEM Pistons never had a problem.

That bike needs an air box sealing kit from Bonz racing and the exhaust spigot is a weak part too. Pro Circuit made an aftermarket replacement but I'm not sure it's still available. Keep the RC cables set properly and stay up on jetting.

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