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  1. thumperracing

    Not another track swap...

    Hey guys looking at helping a friend swap a 144" track and driveshaft off a 1998 summit 670 onto a 1996 summit 500 which has 136" track on it right now... will the 670 driveshaft fit into the 500 chassis? and if it doesnt fit, is the pitch of the drifeshafts the same so i can just change the...
  2. thumperracing

    Oh boy... grease where it shouldn't be

    Im helping a friend do a preseason on his 08 XP with around 2300km and we pulled the primary clutch off to clean and saw that there was quite a bit of grease around the PTO crank shaft seal. I know this can be a big deal and lead to the bottom end going out. Can we just buy a new seal and repack...
  3. thumperracing

    Is there a Calgary sled show this year?????

    Sorry for my ignorance but i have had several people tell me there is no calgary sled show this year and then the next person i talk to they say yep there is a sled show Nov 12 13 so just looking for some clarification! I have looked everywhere on the internet and can't find anything. thanks...
  4. thumperracing

    How do i lean out my fuel mixture so my plugs aren't so black??

    This is for a friend New top end prob 600km ago in an 05 Rev Adrenaline. Just checked the plugs last ride and they are very black. You dont really hear of anyone changing jets anymore? so is there a air/fuel mixture screw a guy can adjust or is something screwing up with the...
  5. thumperracing

    Corbin Conditions

    Hey guys just wondering what the conditions are like in corbin. Will be out there sat and would like to go into the rolling hills if they have enough snow? We rode Barns two weekends ago and it was decent but they needed prob 2-3 more feet to cover up all the land mines. Thanks
  6. thumperracing

    2 1/2" Track swap on 05 Rev?

    Just bought a 05 Rev Adrenaline and currently it has a 151 2" track on it and i did some measuring underneath and it looks like a 2 1/2" track would fit however i have heard of guys changing the drivers on the drive shaft. Just wondering if a 2 1/2" will fit or should i just put on a 2 1/4"...
  7. thumperracing

    670 track swap?

    I have a 98 summit 670 with a 136" track currently which i believe to be 1 3/4inch lugs and i bought a 144" track and rails with 2inch lugs and i have been told by some people that it will not fit, that it will hit the tunnel where it goes around the drive shaft and other people have said i have...
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