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  1. REV-XP / XM Chassis - Mountain Sleds
    I'm new to sledding and working on these engines so I need some guidance on what my issue is. I have been on 3 trips mountain sledding with this thing and it was starting first pull the first time. It sat outside for like a month after the first trip and since then it has been incredibly hard to...
  2. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    Like the title says!! I did a few searches and didnt find too much info. I was out riding a couple weeks ago it was pretty cold -20C. No issues! I let off from a WOT pull and the sled held around 6000rpm gave it a couple blips of the leaver and nothing! CRUISE CONTROL. Hit the kill switch...
  3. 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...
  4. REV Chassis - Performance and Trail Models
    I need to replace my worn out carbs on my 2003 MXZ 800 Rev. The carbs are obsolete. I looked for used but most are as bad as mine. My carbs run a 380 main and a 17.5 pilot. Can I use a later model set off a 2008 MXZ 800? They have a 480 main, but a different needle, and a 17.5 pilot. Original...
  5. Race Sled Classifieds
    many 600rs parts for sale, all removed to swap for 800 etec. sled has 2300MI and no damage on any parts. -Complete engine -airbox -carbs -ecm -coolant hoses -coolant bottle -reeds -boots -Trailtanks.net clear tank -10 Gal black tank -complete wiring harness -team secondary -slipper gear
  6. Sled Parts For Sale or Trade
    Item: 800 engine parts Category: Sled Year: N/A Location: Mehoopany Pa. Price: $25 and up All removed from 04 800ho Rack carbs - $75 Cylinder with piston - $100 Rage cage with reeds - $50 Exhaust valves - $40 Cylinder head - $75 Oil pump - $25 Water pump - $25 Stator flywheel and pickups -...
  7. MXZ / Legend / Summit / Grand Touring / Formula
    I don't think I have an issue with my fuel pump on my 97 F500, but I was wondering where I could get a rebuild kit or if I should just buy a new one. Now the starting issue, recently when I am starting the sled cold it has trouble, I have to prime it, pull it over several times and repeat that...
  8. REV Chassis - Performance and Trail Models
    Alright guys, picked up a new project this morning. 2005 800 PTEK Renegade. Wasn't running right, or at all, when I picked it up. Had a MAJOR flooding issue. Was filling the motor with gas and even spitting it out the exhaust. Pulled the carbs off, drained the motor, etc. SO: 1. Replaced the...
  9. Vintage Ski Doo's
    Hey Guys, I am stumped on this one and am looking for some help. I almost have this sled running well but am running into issues with it idling. This sled is supposed to idle around 1800-2000 rpm. I cannot seem to get it above 1600 rpm. Idle speed screws are all the way in, Air mixture screws...
  10. Vintage Ski Doo's
    Hello, Still new....I am trying to get my formula SS 670 setup for the season. I took it out last night for a few hours and found that it smoked A LOT (Even when up to temps). It was blue 2 stroke smoke and the coolant level is consistent so it's not burning coolant. I checked the oil pump...
  11. Race Sled Classifieds
    Looking to purchase set of 42mm mod carbs. Send me a PM. Thanks
  12. REV Chassis - Performance and Trail Models
    Ok guys to start out I know how to wrench and do anything but when it comes to these "fine art" areas I am pretty weak. So I recently traded my Yamaha r1 for a "2005 rev 440 with a (what he told me) factory mod 800 motor in it. details about the sled flat slide carbs non heated (so they are...
  13. MXZX Race Sleds
    so i changed my jetting to 310 all went well till i started the sled... its idling at 5000 RPM sometimes drops to 3000 but mostly i have to chock it down... my idle is rought and it sounds like its firing on one side but its not.. anyone know how to fix it? have been looking around on doo talk...
  14. MXZ / Legend / Summit / Grand Touring / Formula
    I pulled the carbs off my 1999 Formula Dlx 500 Fan today (Mikuni VM-34) in the process of stripping them down and pulling the pin that holds the float arm, the tab broke off the bottom of the actual carb, The other one was just as seized so it is staying, yeah, not a good day... Needless to say...
  15. MXZ / Legend / Summit / Grand Touring / Formula
    I just bought a 2001 MXZ 440 Free air for my son. It ran ok when I went to see but was not able to ride at the time due to lack of snow. Now I'm having trouble with the idle and a bog upon acceleration. So, tonight I pulled the two carbs and found them loaded with crap and gunk. I'm cleaning...
  16. MXZ / Legend / Summit / Grand Touring / Formula
    I have a few questions. I am adding a new handle bar set-up which required me to change up the throttle cable. I am having some issues getting the carbs back together, they feel like they are cross threading. Not sure if that is the feel from the spring causing tension, but I don't want to take...
  17. REV Chassis - Mountain Sleds
    Ski doo 800 with SLP pip and spi head. Jetting is 20 piolets and 400 mains
  18. REV Chassis - Mountain Sleds
    Ski doo 800 with SLP pip and spi head.
  19. Vintage Classifieds
    Looking to sell soon because I am trying to buy a vehicle. My starting asking price is 1500 $ and i am negotiable. Video of sled running is below. 1979 ski doo bombardier blizzard 7500 plus. Was bought during last winter with a blown up 340 (type 354) so I bought a 440 (type 454) and swapped...
  20. Vintage Ski Doo's
    hey just wondering if anyone can help me out I have a 503 I switched from single to dual carb no is the jetting going to be different and if so dose anyone no what it should be ?
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