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  1. Joseph Levandoski

    Coolant hose protectors

    I don't believe there were any changes to how those hoses were routed through the front of the tunnel - yes, I'd still put them on.
  2. Joseph Levandoski

    Looking at the closed loop, pros and cons.

    Something to think about that I completely forgot: You'll have to run an O2 sensor in order to use the closed loop system. No stock SideWinder muffler has the bung, which means you'll either need to drill a hole and weld the bung in place OR buy an aftermarket muffler. Based off your reply...
  3. Joseph Levandoski

    Goodbye Yamaha

    I dunno, it was the windshield that "just cracked" that did it for me...
  4. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    The ROV bypass goes from the oil tank to the valve cover - it's not vented to the intake. That's what was confusing us. The valve cover is already vented to the intake, all Travis did was add an additional oil feed to the top of the engine should the ROV stick shut. That doesn't matter though...
  5. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    By then, the ROV would definitely have thawed and been able to open to relive pressure.
  6. Joseph Levandoski

    Goodbye Yamaha

    This thread is likely going to turn into an absolute s**t show...there's a lot to unpack and A LOT of questionable about your post (some I agree with, some not so much). It sounds like you rode hard and beat the life out of your snowmobile - I'm not sure what else was expected? Even the legacy...
  7. Joseph Levandoski

    Looking at the closed loop, pros and cons.

    It may not, but the ECU already will - Yamaha added in a specific tune for 87 octane for times when you may not have access to 91 octane (lower left text box in the image below). When I looked at purchasing the closed loop system for my Sidewinder (2019 XTX with 5,000 miles at the time) from...
  8. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    Cannondale27 is correct - all current versions of the 900 ACE (R, 130, non-turbocharged) and 600 ACE motors are dry sump. Travis - Is it possible that the ROV bypass kit is permanently bypassing the ROV (because why would it now open if the "air" within the oil sump now has a path of least...
  9. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    Alright, this may get a little wild, but hear me out. Automotive engines use a PCV valve to ventilate the crankcase and valve cover back into the intake as part of the emissions control system. Yamaha has to do the same thing (in a way) and ventilates these post-combustion gases collected from...
  10. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    No Yamaha 4-stroke snowmobile motor uses direct injection - they all use port fuel injection by having an injector located in the intake tract BEFORE the intake valve. Gasoline is an extremely effective solvent that will "clean" the intake valve as fuel is sprayed over it and flows into the...
  11. Joseph Levandoski

    Barn of Parts Frozen Roll Over Valve Solution

    Is it what you'd see when running an engine in a colder environment and generating a cloud of water vapor? Now that the temperatures are starting to drop in the morning, my pickup truck is starting to do that. Granted, the only time I've seen any vehicle with an up-to-temperature engine produce...
  12. Joseph Levandoski

    Reverse Alarm Issue - Help Needed

    Is that sensor and magnet what operates the reverse alarm or is there something else that energizes it when there is a fault and the ECU starts throwing codes? My tunnel was also replaced this year - the shop fixed both that and the voltage regulator issue at the same time. Since EVERYTHING was...
  13. Joseph Levandoski

    Reverse Alarm Issue - Help Needed

    At the end of last season, I noticed that my reverse alarm was not working correctly - it's now barely audible and makes more of a fizzing, continuous "bee" versus the standard "beep beep" (getting real technical here). I was finally able to get it into the garage, tear it apart for other...
  14. Joseph Levandoski

    XTX Skid Removal

    I wasn't paying enough attention when writing my reply (I saw XTX and went from there). My rear suspension is the older 141" skidframe that's just bolted to the front of the tunnel on both sides - there are no ears or crossshaft for the front arm to slide on. HOWEVER, I did have the skid frame...
  15. Joseph Levandoski

    Winder or thundercat or skidoo 900 180hp

    It all depends on how you ride it. I've had only one issue with the top gear bushing pop up, but I ride HARD and fast. On the other hand, my father (on an identical snowmobile) has never had an issue with his and it looks brand new (I guess that's what you get for going easy, whatever that is?)...
  16. Joseph Levandoski

    XTX Skid Removal

    You're not going to hurt the oiling system by tipping the sled on it's side (that's one of the reasons why the motor uses a dry-sump system). I've never had an issue pushing the skid back in with just the rear lifted - take the skid out by removing the two rear bolts THEN the two front bolts. To...
  17. Joseph Levandoski

    Using AvGas in Sidewinder

    We add a couple of gallons of AvGas in our sleds for the summer. It's not going to hurt anything during summer storage if that's all that you're looking to do - it's a non-ethanol fuel, so you won't suffer from any of the breakdown, sludge, or other issues that you may see from gasoline with...
  18. Joseph Levandoski

    J T Super Duty wheel & axle kit , skid wheels installed

    Are those a custom idler wheel from J&T? I ordered eight last year for two XTXs and they're straight black - the plastic shavings in yours looks pretty sharp!
  19. Joseph Levandoski

    What airbox mod is this?

    That looks to be Ulmer's (I've included a thread on it below) - I'm not sure that he sell's it anymore though, but it was a product at one time. https://ty4stroke.com/threads/ulmers-venom-air-box-kit.137895/page-3
  20. Joseph Levandoski

    Sidewinder rear bumper swaps

    Forgot to include a few photos - VERY happy with it versus stock!


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