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  1. Yamaha YFZ450/450R (2004-Present)
    So this Memorial weekend I gernaded my 450, the block is intact thank god. i tore it down the connecting rod and piston gave while flying down a gravel road racing a buddy where i slid to a stop. the crankshaft could probably be saved but I'm not taking my chances. what brand should i get to...
  2. Yamaha YFS200 Blaster ('88-Present)
    Hey guys I'm about to build a blaster I had a built one was bored 50 over jetted aftermarket reeds crank rod and everything else and it was stolen last week so here's round 2 lol. What do you guys suggest with starting from the inside out what brands and sizes and should I go with a big bore? Thanks