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  1. 02 sportsman 700 starter bendix

    ATV General Discussion
    I found out why my sportsman 700 burns through starter bendixs. The hole in the engine side has grown bigger and the bendix is loose. Is there a way to fix this. I’ll put some pics in. The hole is not a perfect circle now.
  2. Polaris Scrambler 850 H.O. engine blew up.

    ATV Repair and Maintenance
    Hello all, engine on my '16 Polaris Scrambler 850 H.O. blew up so I'm searching for complete engine. Engine had 3000 km it's about 1865 miles, oil change was regularly (Let's be real that's practically new). Races or "mud holes" have never been driven with ATV, only recreational driving on...
  3. Lost 4th gear - engine rebuild

    Polaris Predator
    Hi guys. New here and Polaris driver for 2 years now. Bought a used Predator 500 from 1st owner, 2005 with first tires on it. Driven for 2 years - approx. 200h and 15-20 oil changes - flawlessly. Approx. 2 weeks ago while shifting to 4th lost the gear, a little rattling for few seconds in that...
  4. Possible RPM Problem.

    Polaris Sportsman
    Hey, I have a 2012 Polaris Sportsman 400 H.O. Its been driving perfectly up until today, I was driving through a trail and when I got out of the trail I noticed that it sounded wrong, I let off the throttle and the bike slowed down, but it didn't completely stop like it normally does. This...
  5. Does the Scrambler 1000 engine fit on the Sportsman 850?

    ATV Performance Modifications
    I’m wondering if anyone knows if the engine on the Scrambler and Sportsman XP 1000 fits on the Sportman 850 XP? It looks very similar when looking at the oem parts fiche. I’m asking this since after bringing my 2011 Sportsman 850 XP to Polaris because it was burning lots of oil I just found...
  6. ISO 07 outlaw 525 engine

    ATV Parts Wanted
    Ok, so I'm new to forums all together so with that being said please bare with me. I've recently traded for an 07 outlaw 525 irs. The owner before the guy i got it from had removed the motor and its been missing ever since. ive searched all over with no luck finding any solid engine /...
  7. Polaris Sportsman 570 turns and spark but wont start

    ATV Repair and Maintenance
    Hi, i am new in the ATV Business and already have a Problem. My 2015 570 Sportsman EPS EFI wont start again. It run perfekt till it stopped by it selfe. The Motor was running normal to warm up. When i was trying to drive the rpm went up and then the Motor stopped. For me it sounded like the...
  8. Something strange with my 1000 xp

    Polaris Scrambler XP 1000
    Hey so I'll start by saying I'm new to polaris product and this forum. I recently purchased a 2015 scrambler xp 1000. I'm through the break in period, following the dealership and manual recommendations. Earlier today I started my machine and let it warm up a bit as it has been snowing and...
  9. VIN check please

    ATV Purchasing and Price
    Hello all, It´s a pleasure to join this community thanks in advance for your time and help. Found a 2006 Outlaw 500 which looks great but not sure if the engine is the original one. I was wondering if someone would be so kind as to run a VIN check on it and confirm Engine Serial Number...
  10. Remanufactured Polaris Ranger/Sportsman 700 Crate Engine

    nFLOW Motorsports
    nFlow offers complete remanufactured Polaris Ranger/Sportsman 700 crate engines! Engine are assembled with precision, using stringent operating procedures. Include: New pistons, ring sets, valve train, cam chains, oil pump chain, idler chain, mechanical seal, valve seats, crankshaft, bearings...
  11. Remanufactured Polaris Ranger/RZR/Sportsman 570 Crate Engine

    nFLOW Motorsports
    nFlow offers complete remanufactured Polaris Ranger/RZR/Sportsman 570 crate engines! Engine are assembled with precision, using stringent operating procedures. Include: New pistons, ring sets, valve train, cam chains, oil pump chain, idler chain, mechanical seal, valve seats, crankshaft...
  12. Polaris Magnum 325 2x4. Problem with engine cutting out.

    Polaris Magnum
    I just bought a 2001 Polaris Magnum 325 2x4. It in good shape besides having one issue. It is ok at idling once I put some fresh gas in it. But once I get it to full throttle, the engine cuts out (but doesn't die) it just seems like you can only rev it so far or it will cut out again (it happens...
  13. Sportsman 400 lower engine noise

    ATV Repair and Maintenance
    My 2013 sportsman 400 started to make a weird metallic noise from the lower part of the engine. It sounds like a bad piston but since the noise comes from the lower oart, I figured it couldn't be piston or valve problems. I also ruled out the crank because I checked the oil filter and I had no...
  14. Help with 500 h.o. Engine vibration

    Polaris Sportsman
    Hey forum! I went to go sell my '04 500 and the guy told me that my engine vibrated to much at idle. When I looked closely, it had a slight engine movement, but it's nothing that's ever stood out to me. It's not like a Harley where it's wobbling in there, but you could see slight movement...
  15. Overheating issue

    ATV Repair and Maintenance
    I've got a 2007 polaris sportsman 500 efi. On a recent ride, it started flashing the engine hot light, and I noticed the fan wasn't kicking on, at all. Then, about an hour later it did, then about an hour after that, right back to overheating. Please help!!!! Am I totally screwed, or is this...
  16. i have an oil leak from the engine image included

    ATV Repair and Maintenance
    the leak starts when the rpm is high 1. can i close this opening ? 2. why is that happening ??
  17. 2003 to 2004 Complete Engine Swap Help

    Polaris Predator
    I'd first like to say hello to everyone as I just joined this forum and recently joined the predator’s owners club! The only issue is the engine is blown in mine and has a big hole in the crank case. Also I have a bent valve and the bottom end is junk. Luckily I found a 2004 engine that's...
  18. Bad Luck!

    ATV General Discussion
    A couple of months ago I bought a used 2010 sportsman 850 touring, that was already modded for the mud. I thought it would be ready for the mud since the listing said ready for mud....So I go riding, nothing seems out of place except for a little random stalling on dry ground, I didn't think...
  19. parting out 2005 polaris sportsman 800 twin

    Polaris Sportsman
    parting out 2005 polaris sportsman 800 twin Excellent running 800cc motor still in bike Parting whole bike. Email your questions Has EKLKA shocks DIFFERENTIAL ECU ENGINE AXLES SEAT WINCH SUSPENSION SHOCKS TIRES WHEELS FRAME WITH PAPERS HANDLEBARS BATTERY ETC...
  20. Blown engine - oil change

    Polaris ATV How-Tos
    My mother has a Sportsman 500, 2008 with barely 300km. One of her friend was driving it to the garage to get the oil changed when the engine died after roughly 1,000 feet and it doesn’t start anymore. I took the machine to the dealer who says that there is barely any compression at all. He...