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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. 1993 Yamaha Big Bear - Starts/Runs w/Choke

    By rpb989,   
    • 4 replies
    • 8k views
  2. Emanualonline.com

  3. Identify Year With V.I.N. #

    By jlandra,   
    • 1 reply
    • 3.2k views

  4. 2005 Yamaha Raptor 80

    By PaulDB,   
    • 1 reply
    • 3.1k views

  5. 07 grizzly 700fi runs rough,black smoke out the exhaust

    By Polarbear,   
    • 4 replies
    • 9.8k views

  6. 1988 Yamaha Big Bear - Fluids

    By yamaha_9696,   
    • 1 reply
    • 4.5k views

  7. 1987 Yamaha Warrior - Starting Issue

    By Jwhite12,   
    • 13 replies
    • 7.2k views

  8. Yamaha Wolverine 350 - No Spark

    By bikr4lif,   
    • 9 replies
    • 13k views

  9. 2002 Yamaha Big Bear - Parts Needed

    By RCNY,   
    • 2 replies
    • 2.9k views

  10. 1999 Yamaha Wolverine - Pinion Torque Specs

    By tssetmr,   
    • 2 replies
    • 5.7k views

  11. 2004 Yamaha Bruin 350

    By redh,   
    • 8 replies
    • 8.8k views

  12. 2001 YFM400 Carb Questions(clip position)

    By TravisL,   
    • 1 reply
    • 3.2k views

  13. 1987 Big Bear 350 No start.

    By voodoojrod,   
    • 5 replies
    • 4.7k views

  14. I am Shocked

    By tumbleweed58,   
    • 8 replies
    • 3.1k views

  15. Yamaha Moto-4 225 Manuals

    By Spanishsilver,   
    • 10 replies
    • 33.8k views

  16. Yamaha Moto 4 220 - Axle Hubs

    By Bikerbob,   
    • 5 replies
    • 3.5k views

  17. 1989 Yamaha Big Bear 350 - What Is This?

    By andeanis,   
    • 1 reply
    • 2.2k views

  18. Mikuni Carb Identification

    By smokem,   
    • 6 replies
    • 21.4k views

  19. 1993 Yamaha Big Bear - Sitting in Garage 10yrs

    By Locobolon,   
    • 1 reply
    • 2.5k views

  20. 98 Yamaha 250cc Timberwolf 4X2 neutral/reverse lights

    By bigdoglv,   
    • 2 replies
    • 5.2k views

  21. 1989 Big Bear 350 Won't Start

    By kentucky_backwoods,   
    • 10 replies
    • 20k views

  22. 91 Yamaha 350 Big Bear - Idle Issues

    By Reesr,   
    • 4 replies
    • 12.1k views

  23. 1993 Yamaha Big Bear - Reverse Light Stays On

    By bigbear93,   
    • 4 replies
    • 11.9k views

  24. 98' kodiac 400 leaking fuel

    By jpatrick,   
    • 2 replies
    • 2.6k views

  25. 2006 Yamaha Blaster - Carb/Idle Issues

    By s2fast08,   
    • 1 reply
    • 3.3k views

  26. Wolverine owners: I've got questions

    By gatorchin,   
    • 0 replies
    • 2.1k views

  27. what is a back off plate?

    By gatorchin,   
    • 3 replies
    • 2.3k views

  28. Kodiak 400 1st year of production???

    By rolloman,   
    • 0 replies
    • 6.2k views

  29. need manual

    By kahlgard,   
    • 1 reply
    • 2.1k views

  30. Little Raptor has starting issues

    By casketmaker,   
    • 0 replies
    • 2k views

  31. 01 wolvy electrical...help needed

    By gatorchin,   
    • 0 replies
    • 1.9k views


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  • Recent Forum Topics

    1. 1

      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
    2. 1

      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
    3. 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
    4. 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
    5. 193

      2024 Presidential Election Discussion Thread

      Believe half of what you read and nothing of what you hear.
      88Tecate4pal in General Talk - Anything Goes!
    6. 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!
    7. 20

      Oxidized or faded plastic body parts

      Thanks. Guess I need to get sanding.
      RadRob in General Talk - Anything Goes!
    8. 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
    9. 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
    10. 0

      Hitch for a Polaris quad

      Can anyone provide information on connecting a hitch to a Polaris. Anyone know where they sell small trailers for my quad. thanks
      Thekevinjb in General Talk - Anything Goes!

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