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    Welcome to QUADCRAZY, an online ATV Forum & Community. Connect with fellow ATV and UTV enthusiasts on our active forum dedicated to all things off-roading. Share tips, tricks, and stories, and get advice from experienced riders. Find ATV and UTV owners and enthusiasts ranging across all makes including Suzuki, Yamaha, Polaris, Arctic Cat, Kawasaki, and Honda. Join today!

Yamaha ATV Forum

Yamaha ATVs conquer mud, snow, hills and trails with ease. Get the inside scoop on Yamaha's latest ATVs, join discussions on upgrades, maintenance and repairs, and share your off-road adventures on this comprehensive Yamaha ATV forum.

1,946 topics in this forum

  1. Help with winch wiring, please!

    By Kevin_Leduc,
    • 4 replies
    • 3.1k views
  2. Emanualonline.com

  3. 2001 Yamaha Warrior 350 ATV Chain Won't Adjust

    By Matt Behnke,
    • 1 reply
    • 2.7k views

  4. 2009 IRS Big Bear 400 Elec help/Drawing needed

    By Alberta,
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    • 2k views

  5. 2004 Yamaha Bruin 350 Compatible Rear End

    By fixitalready,
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    • 3k views

  6. 93 Timberwolf brake drum won't fit over new brake shoes

    By Acdacd,
    • 1 reply
    • 2.7k views

  7. 1989 yamaha warrior 350 sputtering problem

    By quademane,
    • 4 replies
    • 5k views

  8. 02 Yamaha Big bear won't shift into 5th gear.

    By DanPhil,
    • 4 replies
    • 4.5k views

  9. 1989 yamaha warrior 350

    By quademane,
    • 2 replies
    • 1.8k views

  10. 1997 Yamaha Big Bear 350 2wd

    By hunterhudgens11,
    • 2 replies
    • 2.2k views

  11. Bigger, Better Battery for '03 Kodiak 450

    By DPDISXR4Ti,
    • 2 replies
    • 1.5k views

  12. Yamaha Moto 4 No Fire

    By awyelton,
    • 11 replies
    • 12.9k views

  13. 1987-1999 Yamaha Big Bear 350 4x4 Troubleshooting electrical starter not working

    By ruger_america,
    • 5 replies
    • 11.7k views

  14. Inherited 1990 Yamaha YFM250B Quad, mostly fixed up but now stuck, PLEASE HELP!!!

    By xx173xx,
    • 3 replies
    • 2.4k views

  15. 2004 350 Bruin caliper mounting problem

    By Turbofiat124,
    • 3 replies
    • 2.3k views

  16. 04 Kodiak 450 4x4 problems, need help

    By off_road2,   
    • 6 replies
    • 15.4k views

  17. 1998 Big Bear 350 Carburetor Difference 2x4 vs 4x4

    By Andrew520,
    • 4 replies
    • 7k views

  18. Bear Tracker 250 idle issue

    By BeardedBackWoods,   
    • 2 replies
    • 12.8k views

  19. Help with Quad vin number

    By boutselis,   
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    • 12.6k views

  20. 1995 Yamaha big bear

    By Scoopeddad,   
    • 2 replies
    • 2.2k views

  21. What's a good light helmet?

    By toonces,   
    • 2 replies
    • 3.6k views

  22. Yamaha yfm 250XL service manual

    By davefrombc,
    • 0 replies
    • 1.9k views

  23. Yamaha Warrior Oil and Filter Change

    By wylde1,   
    • 0 replies
    • 2.1k views

  24. 88 Yamaha Big Bear DIF yoke removal

    By grego86,   
    • 4 replies
    • 4.4k views

  25. Help with brakes

    By grego86,   
    • 2 replies
    • 1.9k views

  26. 2017 Yamaha Utility ATV Lineup

    By Ajmboy,   
    • 0 replies
    • 6.2k views

  27. Yamaha Banshees Thread

    By quadmaniac,   
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    • 7.1k views

  28. Yamaha Moto 4 YFM200DXW Service Manual

    By Admin,   
    • 0 replies
    • 8.2k views

  29. Need info on manual shift 2000 big bear 400 4x4

    By dirtybear00,   
    • 2 replies
    • 4.6k views

  30. 2003 Yamaha YFZ350 Parts Manual

    By oxidized_black,
    • 0 replies
    • 2k views

  31. 2003 Yamaha YFM450FWAN Service Manual

    By oxidized_black,
    • 0 replies
    • 2.6k views


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  • Recent Forum Topics

    1. 2

      Has anyone had a suzuki 230 quad lock the engine up?

      Interesting valves should have stopped the piston before it hit the plug did it do anything weird before it stopped running. I would probably pull the cover and inspect the timing chain first, maybe see if it will budge with a wrench on the cranknut, dont go crazy with it just move it back and fourth gently.
      Gwbarm in Suzuki ATV Forum
    2. 2

      Has anyone had a suzuki 230 quad lock the engine up?

      You need to keep posting till you can download the service manual; That tells you what work can be done with the engine in place. If you tell us the year and exactly what model it is, I or someone can check for you.. They come in chain or shaft drive, and with or without electric start, and I wouldn't be surprised if there were kick or pull start versions as well.. We need the suffix of the model number..
      Mech in Suzuki ATV Forum
    3. 2

      Has anyone had a suzuki 230 quad lock the engine up?

      Has anyone had a suzuki 230 quad lock the engine up? Its a well maintained bike, it locked up when my son was riding it. Pulled the plug, it has connected with the piston. I'm thinking the con rod let go. I don't have a service manual. Does the engine need to come out to check further?
      docdoug72 in Suzuki ATV Forum
    4. 25

      1989 Moto 4 YFM350ERW intermittent spark.

      Ha.. That is a bummer.. That it's started to work ! I hate that too, all the more since I'm a mechanic. Perhaps now leave it idling and wriggle all the wires everywhere bit by bit hoping to find a short or broken wire that makes the motor die.. Wires mostly only break right where they go into the metal crimped terminal, and they break inside their insulation so you need to use long nosed pliers to gently tug on those ones, and the other place that used to be more common in the past when they used thick wires, was up near the steering head where they flex. Shorts to the frame of course.. anywhere. I'd also check the switches.. The kill in particular is prone to dirty or mud filled contacts. The mud not actually being a dirty contact problem, but when it gets wet it can short enough to cause problems. And thanks for the thanks. It's my pleasure.
      Mech in Yamaha ATV Forum
    5. 25

      1989 Moto 4 YFM350ERW intermittent spark.

      Sorry for lack of response but have had little internet the last few days. I do want to thank you for all your help with this as I had a big learning curve. Not having good schematics didn't help either. It has started to work. I hate problems that just go away on their own. The fact that the pit bike CDI worked from the start leads me to believe that it is most likely one of the interlock inputs. I suspect that one of the interlock switches was flaky and when I checked it without any movement it would show good and when the motor was rotating it would come and go. If not that then a bad connection that when disconnected and reconnected. The fact that the pit bike CDI worked from the start leads me to believe that it is most likely one of the interlocks. I have not tested it by riding it as I want to go through the brakes and make sure they work good before I do as it has set so long. Stopping is always a good thing. Luckly this ATV will mostly be used on my property in Idaho and not on trails so when (not if) this problem appears again I won't be in some remote location. I also plan to take the older CDI that I purchased and that didn't work and cut the connectors off and wire up the pit bike one to have as an emergency spare. This will disable all the interlocks but should allow me to get it back to the garage easily.
      RGS in Yamaha ATV Forum
    6. 193

      2024 Presidential Election Discussion Thread

      Believe half of what you read and nothing of what you hear.
      88Tecate4pal in General Talk - Anything Goes!
    7. 9

      New member / quad lover

      Wow! Thank you. So I must have a QuadRunner, has auto trans w/reverse and electric start. After the VIN is LT230E and then a stamped letter "H". Any idea what "H" is for? Mfr. Date is 06/86
      RadRob in New Members Area!
    8. 20

      Oxidized or faded plastic body parts

      Thanks. Guess I need to get sanding.
      RadRob in General Talk - Anything Goes!
    9. 0

      2019-2024 Yamaha YFZ 50 Service Manual

      View File 2019-2024 Yamaha YFZ 50 Service Manual 2019-2024 Yamaha YFZ 50 Service Manual Submitter wanrep Submitted 05/04/2025 Category Yamaha ATV  
      wanrep in Yamaha ATV Forum
    10. 0

      2017-2018 Yamaha YFZ 50 Service Manual

      View File 2017-2018 Yamaha YFZ 50 Service Manual 2017-2018 Yamaha YFZ 50 Service Manual YFZ05YYXH YF05RH Submitter wanrep Submitted 05/04/2025 Category Yamaha ATV  
      wanrep in Yamaha ATV Forum

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