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  1. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    I’ve got a 2008 Summit XP 800R that the motor has been grenaded. The connecting rod, upper case half, top end, cylinder skirt, is all broken. So basically nothing is salvageable. I don’t have a huge budget (as I’m only 15) but good thing it is the off season just in case I gotta get some more...
  2. Skandic / Expedition
    I'd like to install a 2010 Skandic WT 550F engine into a 2005 Skandic WT 550F body. Has anyone done this? does the engine fit? On the surface, it looks like it will fit. I'm thinking of buying 2005 Skandic WT 550F body for my 2010 Skandic WT 550F engine. I just want to make sure it will fit...
  3. Sledding - General Discussion
    Hi! I recently bought a 2021 Lynx Xterrain with the 600 EFI engine (the same that's in the Ski-Doo sleds as well). Without thinking much, I asked the dealer to also sell me some engine oil with it and I picked up a gallon of "XPS Premium Mineral Oil". After using the sled a bit I read in the...
  4. MXZ / Legend / Summit / Grand Touring / Formula
    Hey all. Bought myself a 2014 Summit SP 600 a couple of months ago. Had it out about 2 weeks ago. No problems at all. New Years eve i took it out for a quick drive and when i was heading home the engine kinda coughed and the Engine warning light came on. It felt like the sled went into safe...
  5. REV-XP/XS Chassis: Perf. Trail 120-129 Inch Models
    Hi, I'm totally new to this site...forgive me if this is not the right place to ask this. My son has a 2008 GTX 550F, the other day he lost the engine in it (piston and rings). I replaced the piston and rings and now the machine runs very rough and the entire engine is covered in oil. Anyone out...
  6. Sledding - General Discussion
    Will a motor from a CK3 chassis bolt into an F-2000 chassis?
  7. REV-XP / XM Chassis - Mountain Sleds
    Bought a 2008 summit 800r with low compression for a good deal. Doing top end and would like to know what you guys think caused the piston to go. Checked out a few charts and can’t tell if it’s lack of lubrications or overheating. Would be nice to know to prevent new pistons and newly plated...
  8. MXZ / Legend / Summit / Grand Touring / Formula
    will a 99 670 mount straight over onto a 2002 summit frame? Some background. I lost the motor on my 02 800 Summit Highmark. It lost all of the fluid and seized up while my son was riding it. I found a couple of engines close to home but one is from a 99 670 formula SS and another is from a 99...
  9. REV Chassis - Performance and Trail Models
    Hey guys so here's whats going on. Recently I "siezed" the motor in my 600 SDI. As I started to dismantle the engine I noticed the nut on the cable adjuster on my oil pump had backed completely off, there's my answer to why it seized... Anyway, the engine is fully torn down and tragically my MAG...
  10. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    My etec 800 from 2011 starts and works normal in every way, beside that every time I let go of the throttle and rev starts to sink and are supposed to stay at idle 1200rpm, It just passes that point just like the snowmobile doesn't have any idle. The result is that the engine dies every time i...
  11. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    A friend of mine recently purchased a 2014 renegade 800 etec, and had an engine failure 40kms into his first ride on it. I've since torn the engine down and found a catastrophic failure in the PTO side cylinder. I'm having a hard time telling what may have caused the failure due to the condition...
  12. 900 ACE 4-Stroke Models
    This last year I noticed the tunnel cooler heating up right away when the engine was started from cold. Took longer for the engine to warm up. Evidently the thermostat is stuck open.... or is it something else? Coolant is full. (I have 2 900's, same sleds, and the other sled the engine warms up...
  13. 900 ACE 4-Stroke Models
    (UPDATE: IT seemed like the oil was darker than normal for only getting about 1400 easy trail miles on this past winter. Thermostat was stuck open which may contribute to oil getting darker quicker. See my thermostat post for more info.) What's your engine oil looking like at the end of the...
  14. Sled Parts For Sale or Trade
    Item: Flywheel Puller & Installer Ski Doo 600 Category: Sled Year: 2007 Location: Owosso Price: $25.00 Flywheel Puller & Installer Ski Doo 600 SDI HO and others. Use it to remove and install flywheels. Required when lubing flywheel side crank bearings. Was purchased from C&T Tools. Asking...
  15. REV-XP / XM Chassis - Mountain Sleds
    Picked up an 06 summit 800 151 in trade, figured it would put me back in about where I left off with my 05 roughly ten years ago. The sled has about 3600 km on it and from what I read the outside main bearings need isoflex about this time. Figured out pretty well how to repack the pto...
  16. MXZX Race Sleds
    I have a 2007 mxzx 440 that has been going back and forth from running perfect to bogging at all times. I recently had a bogging issue and discovered it was only running rich. So, I raised the main needle to the highest position (it was on the 2 from the top) and after that it ran like a champ...
  17. Skandic / Expedition
    The oil light went on last week on my Expedition 600 ACE 2015. I changed the oil and found the old one to be very milky and liquid. Didin't think much of it at the time but a week later the same thing happened. I saw a couple of old posts here suggesting water or coolant could leak into the...
  18. MXZX Race Sleds
    So, last weekend I went on a snowmobile trip up north about 4 hours away from where I live. First day was great! Sled ran and started up fine. Second day got ready to head out again started up my sled for a few minutes filled it up with premium gas mixed with amzoil at 33:1. Same mix, fuel, and...
  19. MXZ / Legend / Summit / Grand Touring / Formula
    Okay guys so I have a 2004 600 SDI and along with a possible gasket leak which I have another post going for...I was out last week on a run with the boys to diner and its about a 90km run round trip, about 3/4 the way back I couldn't rev over 6,500 and my engine light was on, when I got home I...
  20. MXZ / Legend / Summit / Grand Touring / Formula
    Hello folks, I have a 2004 600 sdi which I think is leaking at the base gasket, I'm not a hundred percent sure though, I'll degrease and clean it the next warm day we get and see. But the front of my motor from the bottom of the exhaust flanges down is coated in oil, is there any other seal it...
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