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  1. JPS

    Let's talk suspension

    I have an 18 XTX 141, put the Hygear Pro linkage on with custom Axis shocks which were valved way too stiff, the rear spring broke, ended up sending the custom Axis shocks to Ian at monster and he fixed the valving for my weight, set me up with new correct springs and now i can say my rear...
  2. JPS

    How Many Miles On Your track??

    I have 6800 miles in stock cobra 1.6 2018 Sidewinder XTX. no studs and at 280 HP. track still looks new.
  3. JPS

    Closed loop PM tune muffler swaps

    I am currently running SM max 16 with closed loop and header and am moving to TD Max spool 17 since i already have all the key components in place, the stock muffler is a real bottle neck at this point the muffler gets real hot when your really pouring the beans to it for long distance. its...
  4. JPS

    Looking at used winders

    I was thinking of selling my 17 XTX with 7600 miles, sled is mint and meticulously maintained. It has turbo Dynamics Max 16 with header, closed loop auto tune, CAI, BOV, 4 bar map, Hygear pro linkage with Custom Axis rear shocks, front suspension is Fox QS3R 2.0 with Ibach springs, doo pilot 6.9...
  5. JPS

    Best Helix

    I am also running Heavy Hitters, TP orange spring in primary and TP orange in secondary at 3-1. 33/35 TP helix with turbo Dynamics Max 16 TD header and TD closed loop auto tune. I had to keep adding weight as i kept changing my set up, started with just Max16 2 bar, then went to TD header and 3...
  6. JPS

    Hurricane

    Mike what areas do you see as must fix for boost leaks and how do you address them? Coming from someone that has been down the leak road many times what do you recommend be fixed to stop possible leaks and prevent them from happening?
  7. JPS

    Gotta Love These SideWinders[I guess Tcats too]

    Very well said, the Sidewinder may not be for everyone but for the riders that stay on top of there equipment and work through some of the issues the factory left for the wrenches to perfect it is overall the best snowmobile ever produced.
  8. JPS

    Gap closed loop tuning!!

    I put on 1800 miles with closed loop SM tune last season. my sled runs very well, very sharp throttle response, i think the improvement in how well the motor feels at any throttle position gives you the seat of pants feel you have more power. I did have to go another .8 gram heavier on weights...
  9. JPS

    Goodbye Yamaha

    Sure there are issues with the Sidewinder but they are not a secret. this site points out all of the weak points so during the 9 months of the year that most are not riding you can address what the owners report so you limit problems during the riding season. My girlfriend has almost 7,000 miles...
  10. JPS

    SRX vs 2022 Mach Z

    I also agree, my 18 Sidewinder XTX stock was faster than one would think because it was very smooth now with TD Max16, header and closed loop it has 2 personalities. with the stock muffler it sounds like it should not be fast and if your very easy on the throttle it is still very smooth, almost...
  11. JPS

    Winder or thundercat or skidoo 900 180hp

    That's good, you are a lucky man to have 2 sidewinders that only need oil change each year to keep them going. for the majority of sidewinders there are several common problems that is a good idea to give attention or you may have a trip that you would like to forget about. My chain case leaked...
  12. JPS

    Anyone take any cool pics of their 998's while out riding?

    Thanks, it's a Mateflex 2 free floating floor. Works great. Thanks, it's a Mateflex 2 free floating floor and works great.
  13. JPS

    Sidewinder exhaust vents

    I also have a few forward facing flow rites to help move more air through the engine bay. there is a huge amount of hot air pouring out of these vents even at 20 MPH.
  14. JPS

    Winder or thundercat or skidoo 900 180hp

    Yes i also agree with Knapp here, every sidewinder has issues that need to be addressed, i cant speak for the Doo but the sidewinder needs some wrenching to keep it going each season. like a pet that demands attention. Still with the poor engineering in some areas i would not give the sidewinder...
  15. JPS

    DMC top gear wear (good things)

    I feel what you are saying. I have 18 XTX with hygear pro linkage and have had a lot of suspension problems. i have Custom Axcis shocks from Hygear that i broke the springs and they sent me shock with valving snocross stiff. i did get the shocks corrected from another suspension service. my...
  16. JPS

    Anyone take any cool pics of their 998's while out riding?

    Caribou Maine , March 2021
  17. JPS

    Tune reliability

    I run TD Max spool 16 with header and stock muffler with AEM closed loop, CAI, BOV and 4 bar map. with Max16 stock manifold vs header it pretty much felt the same up til about 6500 rpm then the header really starts to pull much harder than without, its a very noticeable difference. TD says 8-10...
  18. JPS

    Tune reliability

    I have TD Max 16 with TD header and closed loop. been on Max 16 since new, with header last 3800 miles and closed loop last 700 miles. 6500 total miles and not a problem. I use all Thunder Products clutching and 21/41 gearing. 18 XTX 141, 1.6 track. This sled runs awesome!


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