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  1. Yamaha YFM660R Raptor (2001-2005)
    Hi Folks I'm struggling getting my quad to TDC for adjusting the valves. I followed PopolZ's explanation on the stickies to the letter but are unable to obtain TDC. When turning the engin it shows more than 1 mark on the small viewing circle. The first marks looks like a "H" or "|-|" and...
  2. Yamaha YFZ450/450R (2004-Present)
    ALRIGHT SO, I WAS PUTTING MY HEAD BACK TOGETHER,,(oops friken cabs lock!) and when i finished , one of the valves was open! i took the cam covers off and on but still no luck, it seems the lobe is pushing agaisnt the shim i think thats what its called when i tighten the cover! helpppp i have...
  3. 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
  4. Yamaha YFM350 Raptor/Warrior ('87-Present)
    I bought a 2001 warrior last week that came with an extra motor with a bad rod bearing. The motor on it runs great, however the dude must of bought stock in JB weld company because its all over the running motor. looks like the chain came off and cracked the flywheel side of the motor, under the...
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