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trail boss 250

  1. 1986 Polaris Trail Boss 250 rear brake fix

    ATV Brakes & Suspension
    I have a 1986 polaris trail boss 250 and the piston in the rear brake is seized. Can the brakes be repaired or do they need to be replaced? If they need replacing, I have been unable to locate any replacement brakes online specifically for this model and year. Are there other brakes I can use on...
  2. 1986 polaris trail boss 250 transmission help

    Polaris Trail Boss
    I have been restoring a 1986 Polaris Trail Boss 250 and have been riding it around to break in the new piston and honed cylinder. When I first start it, the ATV does not want to go in reverse (makes a loud grinding noise). I have to ride a couple inches forward before it will shift in to...
  3. 1986 polaris trail boss primary and secondary drive clutch

    Polaris Trail Boss
    I have been rebuilding a 1986 polaris trail boss 250. It is up and running with no mechanical problems. It takes off slow so I am planning to replace either the whole primary drive clutch or just the spring. My questions are should I replace the whole primary drive clutch (link to clutch...
  4. polaris trail boss 250 no spark

    ATV Repair and Maintenance
    I'm working on a 1986 polaris trail boss 250 and cannot get a spark to the spark plug. I have replaced the ignition coil, CDI, spark plug, stator, voltage regulator, reverse speed limiter, and every cable. I was reading through the service manual and the test of the stator said, "check between...
  5. Any suggestions / info for this Trail Boss?

    Polaris Trail Boss
    My sister-in-law has been begging us to go four wheeling for some time. She has an old Trail Boss that I pushed out of her shed this afternoon. Haven't tried to start it as the battery was dead and didn't have time to put it on a charger. She says it ran previously "awhile ago". Guessing it...
  6. 1985 trail boss 250

    ATVs For Sale
    looking to trade 1 complete atv as well as a 95% parts machine. Both have transmission problem. right side gearcase is cracked on one and swing arm mount is broken on other. just can't spend the time hunting for the one part to get this old gal running. was running when it broke down has been...
  7. lost all hope

    Polaris Trail Boss
    I am the owner of 2 trail boss 250's from the 85-87 era. The older one of the pair ran when I parked it due to the transmission failing. Bought the parts machine a year ago it never ran but suffered the same failure. Now I have a nice original trailboss I can't rideand a ton of parts. I am...
  8. 92 Trail Boss 250 4x4 Fuel and Oil *Newb Alert*

    ATV Oil, Lubrication & Filter
    First time 2 stroke owner. Haven't had a quad in 12 years. Purchased this two days ago on a whim after seeing it for sale on the side of the road. It really nice shape. Sorted some carb issues with a good cleaning. Do you have to mix anything with gas? (Didn't think you did, but saw...
  9. 1996-1998 Trail Boss 250 steering shaft

    ATV Parts Wanted
    Needed 96-98 trail boss 250 steering shaft. Can be used but in good/straight condition. Let me know price with shipping and please send a pic. 17038 zip code. Thanks!
  10. Trail Boss 250 wont start

    ATV Repair and Maintenance
    Im new to the Forum so sorry if this is alittle drawn out... I have a trial boss 250cc, it will turn over if I use the pull start (electric start does not work it just clicks when you push the button) and it sounds like it wants to start but it won't, it is getting fuel, air and spark. I have...
  11. 1991 trail boss has no spark,Really Stumped here

    Polaris Trail Boss
    hey guys,I need help im stumped,got a basket case trail boss and started working on the electrical system.When I got it they had it wired to run with no battery and starter and silonoid was bad.I replaced the starter and silonoid,that works,new battery,new coil,tried my cdi off my working...
  12. Need new to me front tires

    ATV Repair and Maintenance
    Hey all! I need to get a new set of front tires for my '95 trail boss 250. The rims are fine but I found a good deal on some used tires already mounted and I want to make sure the rims fit my hubs because my friends slightly older trail boss' rims don't fit my hubs. They are the same size tire...
  13. Looking for information on what year this trail boss 250 is

    ATV Repair and Maintenance
    Hello I'm new to the forums, but have been reading them for the last few days. I was just given an older trail boss 250 2x4. Right now I'm trying to figure out what year this thing is so I can order parts... from pictures it looks like its mid to late 80's. I spent yesterday dismantling the...
  14. 94 Trail Boss Acceleration Issues

    Polaris Trail Boss
    hi im new here so forgive me if this question has been asked befor.. i have a 94 trail boss 250 that when at a stop requires you to pull the throttle pretty hard befor it starts to move.. is this normal? or is there a way i can "fix" the response time on this.. note that it has a brand new...
  15. Trying to pull the variable transmission drive pulley

    ATV Repair and Maintenance
    Hello, I'm a newbie to the forum so please forgive my general lack of knowledge about the polaris machines. I've searched here and online in general and can't find anything on my year of machine...a few posts for newer ones but the info I have seen there doesn't seem to jive with what i've got...
  16. 89 ish polaris trail boss 4x4 need fuel/oil lines connections

    ATV Repair and Maintenance
    ok i am new to the board here, so hello to all who read and thanks to all who help. i have an 89 ish trail boss 4x4 i say 89 ish because im not sure what year it is i just know it's older anyways, i bought it from a guy i worked with for 100 bucks and he even brought it out to my house, i...
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