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Hello all, I am looking for a definitive answer to the question, which Aluminum Frame is the best to put a 500 motor in.

Posted: June 12th, 2019, 1:38 pm
by 500AFSNOWBIKE
Over the summer I plan on building a CR500AF snowbike, and I need a cr500AF first before I can start the whole snowbike project. Before I bought any frames I want to know for sure its the right one. I have read that some people think that they handle better in a steel frame than a AF, so I wanna make sure I like the bike I spend all my summer free time building. I would like your opinion on which frame results in the best dirtbike.

Re: Hello all, I am looking for a definitive answer to the question, which Aluminum Frame is the best to put a 500 motor

Posted: June 13th, 2019, 8:02 am
by cowboyona426
The general consensus seems to be the 05-07 era CRF's are the most preferred, but there are many opinions out there. A lot of guys actually prefer the KTM steel frames for conversions as well.

Re: Hello all, I am looking for a definitive answer to the question, which Aluminum Frame is the best to put a 500 motor

Posted: August 28th, 2019, 1:08 pm
by Roostius_Maximus
02-07 cr250's were almost the perfect chassis, getting older now. Hated 250f conversions myself, too small everywhere. Liked the 09-12 crf450 ones we'd done, lots of room, lots of options for parts, but I'd not build another alloy bike after building my last 5 KTM's