Rev-it
Extreme
So this sled has always backfired when starting cold. Emptied the oil tank twice. Now ate a big hole in one piston, no explanation as to why they think the sled did this. Dealer has no clue. So I sit and wait for the last two weeks as to why it blew up and what I am going to do with this $18,000 sled that isn't going to be ridden this year.
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basic700
TY 4 Stroke Junkie
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- Mar 5, 2010
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- 588
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- Norwalk WI
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- Snowmobile
- 2018 Sidewinder STX DX 146
2015 SRViper XTX LE
2009 Nytro XTX
Why is there no warranty?
Rev-it
Extreme
They won't tell me.
kodak
TY 4 Stroke Junkie
sounds a little waek I would contact Yamaha Canada and the turbo you have installed was the factory authorized kit not just the other kit mpi sells right.
Rev-it
Extreme
I wanted it to all be warranty so I ordered everything threw my dealer.
I am talking to Yamaha Canada. They retracted the not warranty and submitted me a were looking into it more .
I am still paying for a sled that I will not be able to drive until next year. Make a year of payments on it but it will be a year old model with under 500 miles on it.
I am talking to Yamaha Canada. They retracted the not warranty and submitted me a were looking into it more .
I am still paying for a sled that I will not be able to drive until next year. Make a year of payments on it but it will be a year old model with under 500 miles on it.
cacsrx1
Expert
Yikes!
N2DEEP
Veteran
Put a hitch on the front of it, make a good ice fishing sleigh lol. Sorry that probably didn't help
Tricky Nick
Going Vertical
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- Mar 23, 2014
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- Eagle River, AK
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- 2015 Viper MTX 162 Turbo
Back up sled AC M7
WOW! It looks like from the photo of your head that one cylinder was running lean. Maybe a faulty injector 
Anyways I would definitely fight for the warranty
Anyways I would definitely fight for the warranty
Sasquatch
Lifetime Member
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- Yamaha's
Feeling ya! I started a thread in the Viper section but it appears your the only one so far!
stingray719
TY 4 Stroke God
What was the boost level at failure?
Boostd
Veteran
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- 2015 Viper MTN
Usually it's the center cylinder that has issues in these motors, surprised by this.
Rev-it
Extreme
5psi boost in the vid made a couple days before.
Looks just like a 2st with water in gas. No way to guarantee gas quality and that is reason I wont buy a 2 stroke. Gas sucks. Looks like Turbo is out of question now also unless motor is designed for it. Either go all out or dont do it is my opinion.
Studroes144
TY 4 Stroke God
If yamaha is all gung-ho about these trails turbos, and I know they are, they need to make the engines a bit safer to handle the boost, head studs and a slightly thicker head gasket would help, and by all means put a knock sensor on these things and make them smart enough like the cat turbos to start pulling timing if it needs to cuz by the time the knock sensor goes visible the damage has been done. I'm sure the cat ecu isn't helping matters at all on this either.
