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  1. Crank but won't start

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    I have a 2005 350 Raptor. (When I purchased it in 2006, it had 21 hours. Now it has 29.5. I don't ride) The engine will crank but it will not run. The two times I have wanted to use it I have had to take to a repair place. Both times for the same thing, I was told the fuel had gummed up and...
  2. Raptor 660 runs but sputters and glows red

    Yamaha YFM660R Raptor (2001-2005)
    so recently i purchased a 660r raptor it has everything stock except the exhaust which is a yoshimura offroad slip on and headers. It runs but it glows cherry red on the headers, do i need to jet for just a pipe ? if so how much would i need to go up on the mains. i live in hillsborough nb and...
  3. bogs down at full throttle

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    Glad i could find a place to help. Having a hard time figuring out what's wrong. Everything runs fine until I get to full throttle then it bogs down and wants to die until I pull the clutch and then it catches. Everything is stock except for a K&N air filter. Haven't had it long, and it didn't...
  4. Raptor 350 Hard to start

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    Ok so first of all my 05 Raptor 350 is very hard to start. Once it gets warmed up it starts perfectly fine. Im wondering if this means I need to adjust the valves? I have adjusted the carb like crazy and it doesn't help any. Secondly when it is running at low rpms just above idle the engine...
  5. 96 wolverine issues

    Yamaha Wolverine 350 / 450
    Alright guys i just have put a new carb on my wolverine and now i cant get the thing to stay running . . i can spray some gas down the spark plug hole to get it to fire but 5 seconds later it shuts off . . im needing help as more snow is coming and this has a plow on it. help me please !! Just...
  6. 04 yfz carb problems

    Yamaha YFZ450/450R (2004-Present)
    I recently bought all new internals for my 04 yfz450 carb. New gaskets, rejeted, new diaphragms, springs, the whole 9 yards. When I put it back together and put it on my yfz, as soon as the yfz starts it revs to high rpms and dies. I have no idea what could be happening I have rebuilt carbs in...
  7. Carburetor problems

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    I have been having issues with my carb. About a year and a half ago, I couldn't get it to idle with the choke off woo I took it to a guy and for $100 he cleaned it up and adjusted it. Ran great. So before I put it away for the summer, I ran the gas out of it. I went to start it again to get...
  8. 05 yfz dies while riding

    Yamaha YFZ450/450R (2004-Present)
    Hey everyone, I just got my yfz a few weeks ago and I cant seem to get it lined out! It will start up and idle all day long but when you go to ride it, it only runs for a few minutes and then starts to cut out and eventually dies. It was in pieces when I bought it. The motor was together but I...
  9. Warrior started running like crap again!

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    I have bypassed the parking brake switch. I have made better grounds on the reverse lever and I have cleaned the carb and air cleaner. After all of that it ran great. Then one weekend it started to cut out again on the top end. I can not seem to find the problem. Help me please!!
  10. i need some help with getting to fire 87 warrior

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    ok so i just got my spark going on my 87 warrior and i cant get it to start. i can pour some gas in and get it to start for a sec but i cant seem to get it to fire from the carb. it also sneezes out the carb. any suggestions? anything to point me in the right direction would be great. Thanks in...
  11. 00 carb upgrade.

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    My warrior has hasnt been fired up for almost two years. i could clean it up but as long as it's apart i just as well rebuild. Any suggestions on a kit that will make it a little faster and run better?
  12. Building a blaster

    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
  13. 2 questions, carb and a fire....

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    Hello, I have an 87 warrior and when I go to start it itll start but like a puff of grey smoke will come out of the carburetor boot, and then it will start. But when I give it gas it bogs and then it'll go when I get it to the high rpms, maybe carburetor rebuild?? Not sure. Tried cleaning the...
  14. Kodiak Running Rich - Bigbear Manual

    Other Models/Brands
    Hi, 2 questions. The easy one: does anyone have an electronic copy of a 2007 bigbear 250 service manual? The harder one: I also have a 2003 Kodiak YFM400FA and is running rich. Bar taking the carb apart to see if anything wrong in there (which I only want to do at last resort...), is there...
  15. 03 Warrior starting problem!!!!!!HELP ME!!!!!

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    Hello all, i have a 03 warrior that when starts runs perfect but if u let it cool just a min (long enough to smoke a cig) it will not start!:s96: after it gets cool it'll fire right up!?!:???: also i've noticed on more than one occasion that the carb seems to not want to take fuel:???: let it...
  16. 2001 Warrior

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    I just bought a 2001 Yamaha Warrior and it has an issue with sudden stalls unless you catch it in time and rev it up a bit then seems ok for a while. This stalling happened only during a trip to southern tier in NY. I was at an elevation, but not quite sure how high. Possibly 1000 feet or less...
  17. 01 Warrior BTM Carb replacement?

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    Hey guys, I got an 01 Warrior, Was looking at replacing my stock BTM Carb with a TM Flat Slide. I would love to get the Edlebrock Carb but my Pitbull just cost me $3K for Surgery on his ACL. does anyone know what the best TM or VM replacement size would be? any advice would be beneficial at...
  18. Cam Mod ?Questions?

    Yamaha YFZ450/450R (2004-Present)
    Ok im putting new rings on my piston. Since i have the top end apart i was thinking of doing the cam mod. Should I do the cam mod? if i do the cam mod will i need to do some carb work? If i did carb work what should i do b/c i have a trinity drag pipe and i was thinking about taking the airbox...
  19. carb overflowing

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    I have a 93 warrior 350 and I have cleaned the carb multiple times but gas keeps pouring out the overflow I've taken it to the local bike shop but noone can figure out what is wrong with it. The accelorator pump is broke and removed but that shouldn't have any affect on the overflow as far as I...
  20. warrior idles but thats it need suggestions

    Yamaha YFM350 Raptor/Warrior ('87-Present)
    hello, i have just recently purchased an '02 warrior and between me and my friend have been able to get it to idle perfectley but when you give it gas there is absoloutley not throttle response and it seems to bog down and if u give it full throttle will die, looking for any suggestions...