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raptor 660

  1. Jet or add mods first??

    Raptor 660 Modifications
    I have a stock 03 raptor and looking to upgrade the performance. I never knew about jetting until I read it here on this site a few days ago. My question is do I jet it or add mods first? Seems like riders are recommending the dynojet stage 2. The mods I am looking to get is a K&N filter with no...
  2. 2002 raptor 660 will not crank from starter button

    General 660 Discussion
    I have a 2002 raptor that I just took the wiring harness off of to fix some burnt up ground wires. put everything back together and now I am not able to crank the quad from the starter button on the handle bar. no clicking from the solenoid. I am able to jump the solenoid and get the quad to...
  3. My Raptor 660 isn't working properly

    Raptor 660 Maintenance
    I have a 2001 Raptor 660 with an FMF exhaust. i recently bought it and found out that when i would be going half or more throttle it would sort of just sputter and lose power. Pretty soon after riding it for like 15 minutes maybe less it wouldn't start back up. It would kinda start back up and...
  4. Raptor 660 won't idle and backfires

    Raptor 660 Maintenance
    My raptor won't idle unless it's a high idle. At regular idle it'll backfire through the exhaust and carburetor and shut off and I'm pretty sure I saw flames come out the exhaust when I was revving it to keep it running. I've cleaned the carbs but I do need a new air filter (currently using...
  5. Need YFZ shocks for my 660

    Raptor 660 Suspension
    I have looked all over the internet. I cannot find any 04-08 YFZ front shocks to save my life. These will be going on my +3in 05 660. Can anybody help a guy out with a referral ?
  6. Air/fuel mixture screw tip stuck in carb.

    General 660 Discussion
    Alright guys, this is my first time really wrenching on a bike so please answer with some detail. I bought an 01 raptor 660 a month or so ago, I saw it, loved it and needed it. But man its bin nothing but a headache ever since. The bike needed some love, the previous owner didn't take care of it...
  7. Speed wobble over 40mph

    General 660 Discussion
    So ive got a road legal 660 and when im riding above 40mph i get some real bad speed wobble! Checked all the bushes etc. Had new tires put on and the steering tracked but its still doing it! Any suggestions?
  8. Raptor 660 won’t start after new carb and plug???

    General 660 Discussion
    Hey guys in need of some help. I have a 2005 raptor 660 that I just baught for $700 and i was told last time it ran that it started backfiring and stalled out like it was running out of gas. Then he didn’t mess with it since. I got it home and ordered a new carb because the old one look trashed...
  9. Need help with my 04 Raptor 660

    General 660 Discussion
    so i can ride and stuff for about an hour but then it starts to bog and sputter and backfire. does anyone know how to clear it up. i cleaned the carb and changed the spark plug but it still does it. does have a hmf pipe if that has to do anything with it
  10. Clutch won’t engage any gear

    General 660 Discussion
    Was riding on trails...normal riding... lost all gears out of no where. The bike starts and runs. I can find neutral and reverse but as soon as I let off of the clutch, the bike acts like it’s in neutral. It doesn’t grab in any gear. I can hear it click through the gears And neutral and reverse...
  11. 2005 raptor 660 sputtering and backfiring at 1/4 throttle

    Raptor 660 Maintenance
    Hey guys new to the forum, i apologize in advance for punctuation. The raptor was taken to different shops and was taken apart when i got the raptor it wouldnt turn on the harness was cracked and broken so was the ignition it was missing an oil line and motor mount. I ordered the parta and got...
  12. Raptor 660 Popping and falling on face after minimal revs - did reverse and PB bypass and had carb rebuilt and tuned - at a loss

    General 660 Discussion
    I bought a Raptor 660 a few weeks ago Yamaha Racing I did these things to clean it up: Oil Change/Filter Change K&N filter clean and oil Spark Plug Change Coolant flush and change When filled with fuel, the carbs would dump so I sent to a mechanic who rebuilt the carbs He started it and it...
  13. RAPTOR 660 ELECTRICAL PROBLEMS PLEASE HELP!!

    General 660 Discussion
    my raptor 660 has a problem where i turn the key and the neutral light dosent come on sometime and i have to mess with the stater soleniod and then turns off slowley and some times when i turn the kill switch to kill it turns on but when in on possition turns off or turns dimmer sometimes. also...
  14. Raptor 660 no start, overfill on oil

    General 660 Discussion
    I’ve got a 01 raptor 660. Pulled it off truck let it set a minute, checked the oil and was right at min, so added almost a qt To get it right. Started kinda hard and only wanted to run with choke halfway on, ran it for a while stalled it. Checked the oil afterwards and was like almost half inch...
  15. Over filled on oil, now no start

    General 660 Discussion
    I’ve got a 01 raptor 660. Pulled it off truck let it set a minute, checked the oil and was right at min, so added almost a qt To get it right. Started kinda hard and only wanted to run with choke halfway on, ran it for a while stalled it and now no start just turns over and back fires. Dropped...
  16. raptor 660 won't start in gear

    General 660 Discussion
    When i pull the clutch with it in gear it wont start. i have an aftermarket perch and (no parking brake)
  17. No Spark!

    General 660 Discussion
    I have a 2001 Raptor 660r with all new electronics ( CDI, Rect. Coil, spark plug, plug wires, switches, and stator,) and still no spark. I am stumped, are there any possibilities other than fly wheel?
  18. Replacement for rear raptor 660 shocks

    Raptor 660 Modifications
    So my raptor 660 shocks are bottoming out as soon as I sit so what bike rear shocks fit please help I can’t ride
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