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Posted by: KASEY
BE very careful,, there are no pistons out there for a hondaline 300 kit for the aircooled motors,, if you are going to sleeve it you would be ok,,,,
Posted by: JkAss
Honda used to make a factory 300 upgrade, but they are hard to find. keep an eye on ebay
Posted by: JkAss
That is very true, forgot about that. Wiseco may be able to make one custom if you could come up with the deminisions
Posted by: rruser
You sure you really need to go all the way up to 300? With the stock sleeve you get something like 8 overbore sizes. This allows you to have a bigger piston installed if the motor ever burns down again. If I were you, I would have the next size overbore done and have him install a wiseco fordged piston. If its already at its limit for being bored over you can have a sleeve installed. If you have the stock Honda pipe I would try to hunt down a DG pipe. The best first upgrades for a 2-stroke is to have it port and polished and install an aftermarket pipe.
This guy has many ATC250R parts.
http://stores.ebay.com/The-3-and-4-Wheeler-Shop
Posted by: 250rplank
I need some info on this topic. I just sent my motor to a guy that is going to rebuild it. He said by tues or wed he will let me know the parts I need to replace. What I wanna know is if I can put a bigger piston, like to make a 300cc engine, or what not. I did see bigger piston kits in the Dennis Kirk Catolog, but I would like to know what else I need. The guy I dropped it off to is on Vacation so I couldn't ask him. Please let me know. THANKS
