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Any new photos or info?


I was questioning the cooling system when I was down at F&S this weekend. That rear tunnel cooler is quite large, but I have my doubts it will be enough when in hardpack conditions with no dust. All the other Japan sleds in their evolution eventually ended up with some sort of radiator and fan for marginal conditions. Time will tell I guess. I will be exploring some potential ideas for a small rad and fan in case there would be a need for it.
 
I put a set of the cable style ice scratchers on all my sleds. Even on plowed road my sled stayed at 160 degrees.

Cable scratchers do work awesome. I run them too. I think in general though there are more people that view them as a hassle.
 
I was questioning the cooling system when I was down at F&S this weekend. That rear tunnel cooler is quite large, but I have my doubts it will be enough when in hardpack conditions with no dust. All the other Japan sleds in their evolution eventually ended up with some sort of radiator and fan for marginal conditions. Time will tell I guess. I will be exploring some potential ideas for a small rad and fan in case there would be a need for it.

Why would you think that? Cat turbo been out now for 8 years with no over heating problem!
 
Why would you think that? Cat turbo been out now for 8 years with no over heating problem!
Are you serious,my kitty turbo was one hot puppy,no pun intended,this thing ran hot most of its lousy life,right up till it died,who said you cant cook a cat 4-stroke,lol biggewst POS sled I have ever had,and I have had a lot,my riding season started in 1966,so I have had a lot of snow puppies lol over the years.
 
Why would you think that? Cat turbo been out now for 8 years with no over heating problem!
Oh and for the record,i burnt down one of there 144 ext turbo 2011 pre procross turd.
 
I had a lot of overheating issues on my 2014 xf9000 when I had it even in good snow conditions. I agree - what a POS. I had cable scratchers on to try and "fix" the problem but I dumped the sled before I could find out if it worked. It looks like a lot of care has been taken to alleviate heat issues up front on the plastics. It will be interesting to see how the coolers perform.
 
Why would you think that? Cat turbo been out now for 8 years with no over heating problem!
Not true. When it would get real cold and trails got hard as a rock the calls started coming in like crazy. Of course those that had a issue just didnt realize they needed to hit side of trail for loose snow every so often. Just have to use common sense.
 
Not true. When it would get real cold and trails got hard as a rock the calls started coming in like crazy. Of course those that had a issue just didnt realize they needed to hit side of trail for loose snow every so often. Just have to use common sense.
My kitty turbo would overheat even in brand new lose snow,you could have 6" of fresh and at time it would still overheat,that was the main reason mine cooked the pistons,and had blow by it got so hot it warped the cylinders,and every stinking time it got hot enough to make the light come on,i would pull over right than and stuff snow every place I could get it,and shut it down and wait 15 min. and once going spin the track to splash snow up onto the coolers and the light would go out,my dealer told me they even had some 2010 and 2011 turbos all stock in old chassie blow up,that motor was not intended to be in a snowmobile and not with a turbo sitting on it to boot.
 
My kitty turbo would overheat even in brand new lose snow,you could have 6" of fresh and at time it would still overheat,that was the main reason mine cooked the pistons,and had blow by it got so hot it warped the cylinders,and every stinking time it got hot enough to make the light come on,i would pull over right than and stuff snow every place I could get it,and shut it down and wait 15 min. and once going spin the track to splash snow up onto the coolers and the light would go out,my dealer told me they even had some 2010 and 2011 turbos all stock in old chassie blow up,that motor was not intended to be in a snowmobile and not with a turbo sitting on it to boot.
mnm I was only at dealership 5 years. Sold hundreds of them. Never saw a blown up T-cat other than that older 3 cylinder Metro motor. Point is that if running correctly and you use scratchers or the loose snow overheating is not a issue. I dont believe it will be a issue on Viper.
 
mnm I was only at dealership 5 years. Sold hundreds of them. Never saw a blown up T-cat other than that older 3 cylinder Metro motor. Point is that if running correctly and you use scratchers or the loose snow overheating is not a issue. I dont believe it will be a issue on Viper.
You had the cat turbo? My dealer was a cat and Yamaha dealer,he had several blow up,now when I say blow up,i don't mean sieze up like a 2 stroke,but they get out of shape so the rings don't seat properly and have more blow by than allowed,they had some of them in the older chassie go down to,in fact when my sled was in being tested,they gave me a 11 ext to ride for the day,and when I started it up,it idles poorly and he just said it will come out of it,we just took it in trade,now I know why the guy traded it,ha ha he knew it was on its way out to,funny how some shops never see things like this,and others get all sorts of problem sleds,he was not proud to speak about the downed new procross turbos's he had,but glad mine was not the only one,and I ran that sled only on map 1 oof TD stage 4 v-19 and that was 205 hp plus his muffler,and any time I saw it overheat,i would pull right over,shut it down,cool it off as much as I could and when light was off continue on,mine had ugly brown oil all over the round air filter twice,and it should of been clear,the first 2500 miles went thru 6 belts,and one chaincase,2nd year 600 miles 4 more belts and one motor,my worst sled ever,and I have had over 40 sleds,and several cats,zrt's thundercats,and zr's580's never left me stranded but pissed off a lot,just glad its gone,and Yamaha has now built a big HP motor,i sure hope they have a good coolant solution for this new monster. Hey getting away from the turbo's for a second,do you rebuild shocks,if so my boys 06 rtx ape needs a mono rebuild,or he wants the fox megafloat,but I have not heard a lot of good or bad about the megafloat rear shock have you,do you have any suggestions for his shock delimma??
 


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