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  1. MXZ / Legend / Summit / Grand Touring / Formula
    I had recently just bought a mxz 583 and it does not have an air box on it. I was wondering if it would be alright for the time being to just put some aftermarket cone filters on it while I dig around the internet and Facebook land to see if I can score a factory air box?
  2. General Sledding Discussions
    I rebuilt my carbs and when I put the slides back in and went to adjust/sync them they didn’t do anything. When I turn the adjuster nut on top the slides don’t move up or down. I put a bit of engine oil on them in case they were sticking but they still don’t move when I turn the adjuster.
  3. REV Chassis - Performance and Trail Models
    Hey everyone, I have an 05 MXZX 800 that had mice in the airbox after sitting for a couple seasons (yes I tried starting it before I realized there was a nest). I took everything apart and cleaned out the nest. I bought a rebuild kit and redid the carbs (new jets and needle, new float valves/...
  4. MXZ / Legend / Summit / Grand Touring / Formula
    Hey guys, tomorrow about to hit the trails just thought I ask about my plugs. I drove around today in my land not very much so couldn’t get very fast speed but did about 6 miles and I just wanted to see what everyone’s thoughts on my plugs are. One seems richer than the other. Just wanted to fix...
  5. MXZ / Legend / Summit / Grand Touring / Formula
    Hello everybody I have a 2001 MXZ 700. Last year I had it and rode it very minimally. It ran fine then. This year I took it out to ride it again and it idled way too high it would never come down past like 5000 RPMs. I took the carburetors out and cleaned them and discovered they were the...
  6. MXZ / Legend / Summit / Grand Touring / Formula
    Hey everyone I’m having troubles with my 97 mxz 670 it has a really high idle (3600rpm) I’ve cleaned the carbs twice made sure I’m getting gas air and good spark adjusted idle screws and couldn’t get any change in rpm at all lean on fuel when I prime it it goes back down to regular idle (1800...
  7. 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...
  8. 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...
  9. 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...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. REV Chassis - Mountain Sleds
    Ski doo 800 with SLP pip and spi head. Jetting is 20 piolets and 400 mains
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