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  1. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    I just did an engine swap on my 2008 Summit X 800R. I went from an 800 to a 500SS (600 Carb) motor for purely reliability. I should have done this first in hindsight, but I need to recurve my ECU for a 500SS. I cannot find any info for Tom Lawrence, who is on the race team and can do it. I...
  2. MXZ / Legend / Summit / Grand Touring / Formula
    Hey everyone! I am trying to fix my 1999 skidoo summit 600 and am not too sure how to go about this issue. Here's the situation: My sled fires up no problem but when giving it gas, it doesnt engage/move. I did a bit of digging and I am pretty sure its either a DESS post or MPEM module issue...
  3. MXZ / Legend / Summit / Grand Touring / Formula
    Hello All, As I'm new to the forums and have read some threads on this topic, I've not seen any specific to my issue. So here goes, I'm fixing a buddies 2002 MXZ 600 R, it has RER and DPM. He had a rod bearing go out. We found a different bottom end (non RER) and changed it out. That being said...
  4. MXZ / Legend / Summit / Grand Touring / Formula
    I've got a 99 Ski Doo MXZ 600. I suspect the MPEM is bad - it intermittently wont rev over 3k rpm and when the DESS tether is pulled off, the sled keeps running. I've combed ebay and parts websites....I can't find a suitable MPEM. Does ANYONE have one on here they'd be willing to sell? Looking...
  5. REV Chassis - Performance and Trail Models
    Does anyone in here know of a company that rebuilds/repairs MPEM's ???? Thanks in advance for any help.
  6. REV Chassis - Performance and Trail Models
    I just put a full top end in my 2005 500ss. After torquing everything to spec and buttoning everything up theres no spark when i pull it over. Last year i was riding and stopped and when i went to start it again it didnt have any spark but after i got home it did. what could it be? MPEM...
  7. MXZ / Legend / Summit / Grand Touring / Formula
    Hi, I have a 2002 Skidoo Renegade 700. I just got new pistons, rings, and jugs put in last week. It starts and idles fine, but when you hit the throttle it rev limits and does not engage. I had this happen to me before after the sled sat all summer. 2 times this happened, both after sitting...
  8. MXZ / Legend / Summit / Grand Touring / Formula
    Hi, My father-in-law has a 2001 Grand Touring Legend with the 800 triple. Apparently this particular model was only made for 2001. Through a process of elimination and dealer visits, we have determined that the MPEM is the problem. The original MPEM number is 512-059-290, and there is a...
  9. MXZ / Legend / Summit / Grand Touring / Formula
    Hi Guys, i am swapping a 2000 model mxz 600, rotax type 593 engine for a 2002 model legend 700 type 693 engine. I ran into a problem with the MPEMs i was going to run the mxz 600 mpem but the plugs don't match up. The mxz 600 plug from the magneto is triangular and the one on the legend 700 is...
  10. MXZ / Legend / Summit / Grand Touring / Formula
    OK... long story short.. I got the shaft on a trade. I was told this 600 mxz runs good.. it did at that time but when it came to getting off the trailer.. that was different story and I was all ready at home. So what is going on.. when it is cold it runs. It takes a bit to get it moving as when...
  11. REV Chassis - Performance and Trail Models
    So was driving the rev around, it was running great, parked it and shut it down. Came to start it again and nothing, then found out the sled produced no spark. Not really sure where to start. I did check the stator and got around 3.5-4V on the 3 wires. But not sure what to do next.
  12. Sledding - General Discussion
    i recently bought a complete electrical system from a 02 mxz 800 with rer (mainly because my 600 doesnt have rer) and i need to get the mpem tuned. i was wondering if there would be some contact info on a person who can tune mpems
  13. Sledding - General Discussion
    i just bought a whole electrical system of a 2002 mxz x 800 with rer, i have to put that into a 600 summit. and i was wondering where i have to send the 800 mpem to get programmed if i have to. and if the mpem doesnt have dpm is it possible to get dpm programmed into it? because my 600 has dpm
  14. Sledding - General Discussion
    So like a bonehead I did some welding on my 2001 Summit 800 and forgot to Disconnect the MPEM. Now I have no spark at all, the lights don't flicker when pulled. Would the welding have affected the MPEM? How can I find ohm numbers for this model please help
  15. MXZX Race Sleds
    Hello, Im have trouble with my 03 MXZX 440. sometimes it will start right up and fun fine, most of the time it starts right up and idles fine but as soon as you get on the throttle it cuts out to one cylinder. i have already relpaced all the fuel lines and fuel pump and cleaned the carbs several...
  16. REV Chassis - Performance and Trail Models
    Hello, Im have trouble with my 03 MXZX 440. sometimes it will start right up and fun fine, most of the time it starts right up and idles fine but as soon as you get on the throttle it cuts out to one cylinder. i have already relpaced all the fuel lines and fuel pump and cleaned the carbs several...
  17. Sledding - General Discussion
    Did something pretty neat yesterday. I was caught at the crossroads of splice the wire or get the right pickups. I found an old plug, kinda broken. I was able to pull it apart and remove the wires with female connector without damaging the plug. I am using a non reverse mpem, but have the...
  18. Mach Z / Mach 1 / Formula III Triples
    did alot of searching and following repair manual before i posted this. sled is 02 Z tech plus dpm. problem came outta no where. ran good 400 miles this season. now after messing around with some clutching i noticed the idle was really rich. to the point the exhaust is real white and thick...
  19. General Discussion
    im looking for a mpem with rer, but im also wondering what other parts do i need to put electric reverse on a non rer sled :shrug
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