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  1. Polaris Snowmobiles
    Hi all, I am new to this thing, just bought a 1991 Polaris Indy Sport 440 and I am wondering what size my carburetor is in mm, so I know what size of cone air filters to get for it. The air box is cracked and the boots to it are broken so I plan to just slap some cone filters on the end of...
  2. Engine / Drivetrain
    I have a 1990 Polaris Indy 500. It was the sled I rode as a kid and was gifted it by my dad. It has sat for 6 years so I cleaned the carbs and replaced the fuel lines and tried to start it. But it wouldn't fire so I got a compression tester and found the compression to be around 60psi in each...
  3. Yamaha Snowmobiles
    1900 mile 2005 Yamaha Rx1 snowmobile with low compression on 2 of the 4 cylinders, anyone have any idea what the problem is?
  4. Arctic Cat Snowmobiles
    Hi, I was wondering if some Arctic cat F5 power valve cylinders would fit on a m5 non power valve block. Thanks. -Chris
  5. Engine / Drivetrain
    So I'm asking a general question for an acquaintance. This person has a Polaris Fusion 600 that broke down one night. He went to a mechanic (not dealer, just a home based shop) and the guy said the engine needed a full top end. Ended up costing him 1800 bucks cdn or so. Gets it back, second...
  6. Engine / Drivetrain
    Hello! So i have this engine that i bought for like 250$ i think its a arctic cat 1989 couger 500 its f/c, so im gonna put it on a small go kart im builidng. I was wondering if any of you know where i can buy good performance parts like forged pistons, mabey even larger ones, i could get it...
  7. Polaris Snowmobiles
    Hello, I have a 2013 Polaris Assault 800 and I have some too end issues. Long story short I believe a reed chipped off and destroyed one side. Cylinders might be okay, head is junk, and the piston is bad. I already bought a new head at haydays so that's done. Basically I was wondering where to...
  8. Engine / Drivetrain
    Hey everyone, I have an 09 F1000 and plan on doing a top end rebuild just for maintenance as my sled has 5000 miles on it. This will be the first time I've ever done a top end, I'm decent at turning wrenches so that part doesn't bother me, I've been doing alot of research, alot of people suggest...
  9. Arctic Cat Snowmobiles
    Hey everyone, I have an 09 F1000 and plan on doing a top end rebuild just for maintenance as my sled has 5000 miles on it. This will be the first time I've ever done a top end, I'm decent at turning wrenches so that part doesn't bother me, I've been doing alot of research, alot of people suggest...
  10. Polaris Snowmobiles
    So I've been silent a few weeks, basically haven't been able to resolve the issues with my 95 XLT Touring running poorly, so I'm going to crack it open, assess the situation and likely full rebuild over the summer. Top to bottom. I might be jumping the gun, but wondering on some insight for...
  11. Engine / Drivetrain
    I got a vmax 600 last spring, hadn't been used in 3 years, sat outside on a trailer, but he started it every year. We did a very light lookover, new plugs, cleaned airbox, seafoam, new crankcase oil. Ran it this year on the 2x no issues. Ended up cleaning the carbs because a screw came loose and...
  12. Polaris Snowmobiles
    Hey guys I just bought a 2010 pro R with a blown motor for a really good deal. I was wondering what would be the best/cheepest way to get it going. It looks like it broke off a ring and that destroyed it. The cylinder, piston, and head are gone. I will be pulling the engine this weekend to see...
  13. Engine / Drivetrain
    I have a 2009 Polaris 600 IQ, Carbureted. After riding 15 minutes, it slowly idled down and quit. The engine barely turned over - got it started twice but quit a few seconds later then wouldn't turn over at all, behaved just like a really low battery - I could hear the starter trying to...
  14. Engine / Drivetrain
    Ok so our 2002 RMK 800 just won't stop being a huge pain, it has had this idling problem since we got it a few weeks ago where when it starts, it idles fine but over like 10 seconds just loses power, even if you are giving it a bit of gas. I cleaned the jets but didn't do any tuning, which...
  15. Control / Traction Center
    I’ve got a 2001 Polaris rmk 151”, and the ride height’s a bit low. Are there any kits I can purchase or adjustments I can make to get it another few inches off the ground?
  16. General Sled Chat
    I have a 1994 Indy 600 Xlt sks and it has almost 6k miles and getting low compression on all cylinders. Cylinder #1 is 93, #2 95, #3 94. I am thinking about doing a rebuild but should I just do rings, or full top end kit, or while it's all apart do all bearings, seals, and everything. What is...
  17. Snowmobile How-to's
    Alrighty i need some help understanding what’s going on so recently i took my sled for a rip everything was fine until i had a minor accident hitting the ditch but next day i wanted to go for a rip until i broke my key trying to turn it in a frozen ignition hoping it’ll budge but i decided to go...
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