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  1. Old Trail Boss 250 - how do I tell the model year?

    Polaris Trail Boss
    I bought this older Trail Boss 250 in non-running condition yesterday for literally a couple hundred bucks as a project bike and in order to start replacing parts it'd be helpful if I knew for certain what year and model it is. Is there some hidden spot on the frame or something that someone...
  2. 2001 TrailBoss 325

    Polaris Trail Boss
    This machine starts and runs 1/4 throttle,idles great, but under load wont pull past 10 mph tops.BOGS DOWN TIL U LET OFF THROTTLE THEN IDLES FINE..no backfire or such just wont go... i changed and even added a second fuel filter. blew airbox out and ran great for 30 mins and back to same ol...
  3. Hey! new to the sport, need some help with 96' trailboss 250

    ATV New Members
    Hey Guys, I bought my first ATV last summer, a 1996 polaris trailboss 250 2x4, flawless condition other then the electric start doesnt work. i pull started it all year, no issues. in the fall my recoil snapped. i opened it up off the bike to go about replacing the spring but ran into an...
  4. Need some help!

    ATV New Members
    Hello everyone, I am in need of an ecm module for a 2007 Polaris trail boss 330 if anyone has one for sale please contact me or is it unwise to buy a used one since it is an electrical component? I live in California and am planning to go on a trip in February to ride around in the mud, thanks...
  5. Absolute toughest belt?

    Polaris Trail Boss
    A while ago I acquired a free 2000 trailboss 325 with a blown engine. Rather than repair that slug, I decided to swap in a bigger engine. It now has a 1978 Arctic Cat Spirit 500cc snowmobile twin! Its about finished, currently running well and pulls hard with the stock 325 clutches and belt...
  6. 2013 330 trailboss wanting 25" mudbugs

    ATV Wheels & Tires
    hey everyone, i have a 2013 trail boss 330. it's not sporty and its not very utility like either, I am trying to go more to utility, I was planning on putting some 25x11-10 maxxis mud bugs on the rear and leave the front as stock, stock rear size is 22x11-10 but only measure 20" tall so quite a...
  7. 2013 trail boss wanting to play in mud :)

    ATV Performance Modifications
    hey everyone, i have a 2013 trail boss 330. it's not sporty and its not very utility like either, I am trying to go more to utility, I was planning on putting some 25x11-10 maxxis mud bugs on the rear and leave the front as stock, stock rear size is 22x11-10 but only measure 20" tall so quite a...
  8. blew rear piston seal 2013 trailboss brakes

    ATV Repair and Maintenance
    Hey everyone, I blew the piston seal out of my rear brake caliper on my 2013 trail boss. I found one at almost half price, it will be here next friday. I have never installed a piston seal before, do i just slide the old one out and slide the new one in? I am a diesel mechanic, i'm sure i can...
  9. rear piston seal 2013 boss

    ATV General Discussion
    Hey everyone, I blew the piston seal out of my rear brake caliper on my 2013 trail boss. I found one at almost half price, it will be here next friday. I have never installed a piston seal before, do i just slide the old one out and slide the new one in? I am a diesel mechanic, i'm sure i can...
  10. 2005 polaris trailboss troubles

    ATV Repair and Maintenance
    I have recently been having troubles with my tb. It would start fine and idle fine in neutral I can rev it in neutral and it will be fine but when I try to shift to drive it is hard to get into gear and when it is in I would give it gas and it would make a grinding noise. Im not sure if it is...
  11. 1990 trailboss 350l 2x4 governor take off

    ATV Performance Modifications
    I have heard off people taking off governors on there atv. Is this hard and what are the pros and cons. I have heard it can increase power up to 70 percent
  12. 1991 trailboss 350 2x4 upgrades?

    ATV Performance Modifications
    I have been looking for upgrades for my atv but can't really find any tried getting an exhaust but cant find any. Anyone have the same atv and suggest any upgrades I can do cheap and easy
  13. 2003 polaris magnum

    ATV Repair and Maintenance
    I'm having problems shifting into high gear, at first it would not go into reverse. It's almost like there is some teeth missing on a gear that advances into a forward gear. Anyone have advice?
  14. Oil in crankcase

    Polaris Trail Boss
    Okay so i was replacing my piston because it had a hole through it and noticed that the case was completely full of injector oil and was wondering if it was supposed to be like that? i have a 1994 trail boss 250. and if it is not supposed to be like that what should it be like and what weight of...
  15. Grinding gears a deal breaker?

    Polaris Trail Boss
    I have a friend who is selling a 94 Trail Boss 6x6 that he has had sitting for a few years, and I was hoping to get a little advice. The beast has obviously been used, but starts easily and seems to be functional. The problem is that, even with the idle set low the gears grind when you try to...
  16. 2000 polaris trail boss

    ATV New Members
    hello every one,i need a little help,long story short i got a polaris trail boss 325 brand new back in 2000 had it for ten years and sold it to a friend,well just got it back and all of the carbuerator lines are unhooked i hooked everything back p but there are two fittings on each side of the...
  17. Carb issue.

    ATV Repair and Maintenance
    Hey, I just can't seem to get my trail boss 250 to idle and run properly. I have eliminated the crank seals, and carb boot as the problem. I have tried 1 size smaller pilot jet, still no luck. While messing with the idle and air screw, it will idle too slow and almost stall or it will idle way...
  18. Used parts for older models for sale

    ATV Parts for Sale
    I have alot of older Polaris used parts for sale. Some of the atvs I have parts for include 1995 425 Magnum 4x4,1998 Sportsman 500 4x4(engine has been changed it is a 425 Magnum engine),2000 250 Trailblazer 2wd,1996 400 Sport 2wd,1992 350 Trailboss 4x4,1993 Trailboss 4x4, and 1995 400 Explorer...
  19. My 1987 Trail Boss 4X4

    My 1987 Trail Boss 4X4

    Riding after a big snow storm in northern michigan. Was out putting my blind up for turkey hunting
  20. 1987 trail boss 4X4 brake issues....

    ATV Repair and Maintenance
    I have a 1987 polaris trail boss 4X4 250 and the brakes just dont work. and due to that, every time i put it in gear it grinds the transmission and i am afraid the trans is gunna go. can anyone give me any advice on how to fix them or what the problem might be?
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