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Yamaha Raptor 350 & Warrior Forum

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  1. 2000yfm350x

    piston stamped 1.00?

    I did measure my bore and it came out to be a 1mm over piston. it was just over 84mm
  2. 2000yfm350x

    piston stamped 1.00?

    tore my warrior engine down today, expecting to find bent valves, jumped time awhile back. and not only were my valves okay but my piston has a arrow pointing forward and 1.00 stamped in it, nothing else, ive seen other 350s stamped 1uy, mine is not, but a bunch of parts in my engine are stamped...
  3. 2000yfm350x

    Transmission gear ratios

    35 views and nobody? Lol somebody has to know something!!! :)
  4. 2000yfm350x

    Transmission gear ratios

    I've just searched till my eyes started bleeding... Does anybody know what the ratios for the gears in the transmission is? Trying to figure out tire size and sprockets for when I make mine street legal. Thanks guys.
  5. 2000yfm350x

    Raptor 350 EFI and Turbo build thread

    More than fast enough, agreed. Even on the stock engine with the EFI it'll be a bad bitch
  6. 2000yfm350x

    Raptor 350 EFI and Turbo build thread

    Leaving the engine stock? Would be interesting to see this in like 11.1 compression with a custom CWR or web turbo grind cam with a bigger cc engine on e85. Could end up making a lot of power, would be nasty as hell. Not that it's not going to be lol
  7. 2000yfm350x

    A few engine questions, plz read

    I've been watching used edelbrock units online, quite a few of them on eBay, off other bikes but anything can be made to work. If noticed been looking into a fcr can't remember the size tho, 38 or 39 I think. Bike is pretty easy to work on, haven't found anything I don't like about it other than...
  8. 2000yfm350x

    Raptor 350 EFI and Turbo build thread

    What are your power goals or overall goals for the bike? This should be sweet and looks and sounds like you know what your doing! Excited to see how this turns out!
  9. 2000yfm350x

    A few engine questions, plz read

    Valve adjustment fixed my rpm issue, even quieted the engine down soon much that I would never think the chain was on its last leg, time to finish taking the plastic off and send them out for paint. Have new chain installed and ready to ride soon
  10. 2000yfm350x

    A few engine questions, plz read

    Thanks for the response, carb has issues and is gonna get replaced with a bigger fcr unit for future upgrades and a chain and guides is in the mail. Bike has other issues but just wanna get it reliable this year so next winter all hell can brake loose!! Carb has a port off accelerator pump that...
  11. 2000yfm350x

    A few engine questions, plz read

    Hey there guys and gals, got a 2001 warrior and am new to the yfm 350 engine, did a valve adjustment the other day and noticed there are dual springs in my head, are theses stock? Never rode one before other than mine so idk how they run, when I first got it it seemed to pull slot harder up high...
  12. 2000yfm350x

    New member from central Ohio

    Hey there guys and gals, new guy here from Russell's point Ohio, have a 2000 Yamaha warrior that I bought a few months ago, stock as hell, needs some love but I got a honest buy for what I paid, always been a Yamaha guy and l have dreamed of owning a warrior since I was a lil boy, now 26 with a...
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