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More oil leaks

Discussion in 'SideWinder Trail Talk' started by Snowaddict, Feb 7, 2018.

  1. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Well, count me as another oil leak victim. Thanks (or maybe no thanks lol) to @jonlafon1 for pointing it out to me. Out of curiosity, he decided to look to see if if there was any oil on the outside of the case/tank and sure enough there was moisture. Took a rag and wiped up enough to see there was definitely the start of an issue. No puddles yet, but that was enough for me. Took it to dealer and they took care of it in 2 days at no cost to me. They said the oil tank was definitely leaking and ended up taking it apart, sanding the edges smooth, and resealing with what they referred to as better sealant. (They said it was Yamaha brand rather than Cat brand lol.)
    As a side note, my buddy has a Viper (obviously same chaincase/tank set up) and when stopped last weekend I decided to see if his was leaking. Reached my hand underneath and it came out moist with oil as well. Not dripping, but obviously seeping. So, definitely a common issue. If you own a Sidewinder or Viper (or any other Cat with this pos design), I'd definitely keep an eye on it.
     
    Hammer70 likes this.
  2.  
  3. TURBLUE

    TURBLUE VIP Member VIP Member

    Messages:
    466
    Location:
    Southern Alberta
    Country:
    Canada
    Snowmobile:
    Sidewinder MTX
    Any particular spot or generally all around?
     
  4. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Since most of it's obscured, I would just run your hand or a rag underneath it every so often. The seal is crappy (actually the entire design is) and allows seeping. I think as pressure builds up it pushes it out the seal. Others have their theories as well. I hate to be a pessimist, but I would guess sooner or later everyone would have this issue, unless addressed before or seals are redone as preventative maintenance.
     
    Hammer70 likes this.
  5. jonlafon1

    jonlafon1 TY 4 Stroke Master

    Messages:
    1,030
    Location:
    Mount Morris, WI
    Country:
    USA
    Snowmobile:
    Sidewinder LTX-SE
    The POS rollover valve is the biggest issue here. I understand the design isn't the greatest but IT THE PRESSURE IN OIL TANK.
     
    Snowaddict likes this.
  6. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Agreed. I forgot to specify that in my above post being the culprit of building too much pressure in the tank. I'm also assuming it is the suspect for my machine not idling smoothly or seemingly surging at times.
     
  7. jonlafon1

    jonlafon1 TY 4 Stroke Master

    Messages:
    1,030
    Location:
    Mount Morris, WI
    Country:
    USA
    Snowmobile:
    Sidewinder LTX-SE
    Big symptom of bad roll over valve idling like shit.
     
    Snowaddict likes this.
  8. Pstn head

    Pstn head VIP Member VIP Member

    Messages:
    978
    Location:
    Ontario, Canada
    Snowaddict, Can you find out what your dealer used as a sealant ? I believe they use Yamabond -6 but would like to confirm.
    Thanks
     
  9. DranttelSS

    DranttelSS Advertiser Advertiser VIP Member

    Messages:
    630
    Location:
    St. Peter MN
    Country:
    USA
    Snowmobile:
    Sidewinder XTX LE 137
    We use Yamabond 6B
     
    Snowaddict and Pstn head like this.
  10. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Yes, Yamabond 6B.
     
    Pstn head likes this.
  11. Pstn head

    Pstn head VIP Member VIP Member

    Messages:
    978
    Location:
    Ontario, Canada
    Thanks! Thought so...DranttelSS also posted he uses Yamaha bond 6B and he knows his s*#%t.
     
    DranttelSS likes this.
  12. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Well, I put another 60 miles on after the resealing job. Ran fine. Before unloading I refueled on the way home. I put as much in as I could and even burped it. Then put in the heated garage (60 degrees) yesterday. Walked into the garage tonight and noticed a faint smell of gas. I did see some moisture on the floor underneath the front of the sled. Felt underneath the chaincase, but nothing noted there. Ran my finger through the spot on the ground (small drop of fluid with larger ring that was already dry around it. Definitely smelled like gas and a bit oily. Looked closer by belly pan protector and noticed 2 small drips along edge/seam, which were clear in color. There was also some moisture along the exhaust side of the protector. Not enough to form a drip, however. I turned the sled on and let it run until warm up. Nothing abnormal. No codes and fuel gauge says full. Not sure if I should be concerned or not. Called a buddy, whom works for the local dealer. He says it just residual from the tank resealing job. Says they cleaned up as much as possible, but can't get it all. I also told him about my refueling and burping method and he said that likely putting it in heated garage (it basically went from low teens to 60 degrees) caused tank expansion and forced some gas out the vent. So, maybe the fluid I saw underneath is combo of these? Seems plausible, but thought I'd ask here. Anyone else experience this or have input? Going on a trip Wed and would like piece of mind.
     
  13. 34pontiac

    34pontiac VIP Member VIP Member

    Messages:
    203
    Location:
    Central, WI
    Country:
    USA
    Snowmobile:
    RTX SE
    Apex did that. Fill full in cold then put in warm garage and gas would come out the hose.
     
    Snowaddict likes this.
  14. Finesy

    Finesy Expert

    Messages:
    227
    Location:
    Manitouwadge
    Country:
    Canada
    Snowmobile:
    2018 Sidewinder RTX 50th Anniversary
    2017 Sidewinder LTX SE
    I always store both of mine in a heated garage and usually full of fuel- always burped to squeeze in the extra. Never smelled of fuel or have any vapor leak.
     
    Snowaddict likes this.
  15. Snowaddict

    Snowaddict TY 4 Stroke Master

    Messages:
    1,106
    Location:
    Menasha, WI
    Country:
    USA
    Snowmobile:
    '17 Sidewinder LTX-LE
    TWITTER:
    mstahl88
    Hmmm, one response says normal and another says has not experienced it under similar conditions. Confusing. I do appreciate the feedback. Keep it coming.
    The sled is now loaded for the upcoming trip in enclosed traile at my buddy's. I told him to give it a look sometime today to see if there's any more moisture/ fluid underneath it.
     
  16. XP123

    XP123 TY 4 Stroke Master

    Messages:
    1,118
    Location:
    Chautauqua NY
    Country:
    USA
    Snowmobile:
    Sidewinder XTX LE 137
    You need to be careful if you fill your tank in the cold and then bring it in to a warm garage or shop. It will expand and leak out of the vent tubes. It also can be a fire hazard if you have any open flames in you shop like a gas heater or water heater. This is normal and just stands to reason. When the fuel expands it has to go somewhere.
     
    Snowaddict likes this.

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