Cheapest route to aftermarket parts?!


I have a 2003 YZ450F and was wondering the small things you guys did to your 450's to really make them fly? I ride alot of tight tracks with alot of jumps, so I'm really going for low-end power here, mabye a little mid so I dont totally sacrifice my speed. Also, has anybody ever had problems when the bikes hot that the kickstarter almost locks up and is hard to kick? Has only happened once and the bikes running fine, just didnt know if that was normal on the first year for the AutoDecompressionSystem.

Thanks in advance! :thumbsup:


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