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2015 Viper MTX Sno-check prices

I run a GTX2867R internal wastgate in my 4cyl audi pushing 30-35psi on 104 unleaded. It makes 550 hp. You'd be surprised what these new garrett GTX turbos can push. I even ran a standard 2871R at the same psi for thousands of miles. Got hotter and dropped off faster, but it could take it. Sorry for the derail, back on topic.
 
Impressed.
Wouldn't think there are many engines out there that could withstand 35psi for THOUSANDS OF MILES.
 
Break in recommendations for factory boosted sled

I just snow checked my first boosted sled. What is the best way to break it in when the time comes?
 
I'm kind of curious how many are going with the 153" over the 162" (on non-boosted sleds). I know it depends on geographical area (wet snow or bottomless powder) and if a rider does more tree riding and cross-fall line riding vs. straightline climbing, etc. but how about beginner riders, friends-sleds, or less aggressive guys or gals? What is the right answer there?

My girlfriend was getting pretty tired of wrestling around her Apex 162" and would smile every time she hopped on friends 153" two-strokes. Every year she rides better and better and she has really advanced again this year and by the end of the season, wasn't really as concerned about switching sleds. She's ridden a Nytro, too. Her technique is getting great, but since she is only 130lbs and has one problematic shoulder (separation a couple years ago) and doesn't really get aggressive as the average guy rider, it's a fine line between providing enough flotation to get stuck less but still being able to sidehill and turn the sled. She is improving greatly, but is really held back by the sled at this point which is obvious when I see her hop on 2 stroke 153 sleds and ride so much more confidently. Long story on why she is on a Apex but is there now and wants to stay on a 4 stroke if possible, which I agree with.

So, back to the Viper. The Viper MTX 153" looks like it might be a good fit, but I'm just a tad concerned with less flotation of the 153", however, they are so much lighter than an Apex, maybe a 153" will float it like a 162 on the Apex (and minus all the front end biased weight). She'd like to stick with the four strokes for many reasons; power delivery, mileage, lack of smell, reliablilty, etc. Granted some newer 2 strokes hit some of those marks, but never having to worry about the engine popping while we are out riding is our number 1. Often times it's just her and I riding and I'm on a snowbike, so wouldn't be able to pull out a sled and riding out two-up on the bike would be tricky (though doable).

So not being able to take a new viper for a spin, it's hard to say if the 153" track length benefits (more maneuverable and yes, cheaper) will outweigh the cons (less flotation, etc.). With a twostroke, I don't think I'd hesitate to go with the 153", but with the bit of extra weight, I'm on the fence. I just don't want anything that will get stuck more than her current ride (Apex 162")..but maybe that isn't saying much. Ha.

Opinions on Viper track lengths?
 
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Man, we really are into the SUMMER now aren't we.
No one replied back.

What size is everyone ordering?

I opted for the 162.
 
The 153 should work really well. I went with the 162 because of the flotation and I'm not a fan of the front shocks on the 153.

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It depends mainly on your snow conditions where you ride. If it's revy or revy type snow, 162 all the way. If you have decent snow, go 153. I ordered 162, but have a boost it kit coming as well and need all the track on the ground I can get. Had 6 mcx apex's and 3 mcx nytro's now and loved everyone of them. But the test ride on Neil's boost it viper has me forgettin about any past yammi I've ridden. I still wouldn't mind finding a smoking deal on a turbo'd apex to have for fun.
 
If the chit I'm buying don't work I'm crossing the border and sneaking it back in:face-icon-small-win Surf is up in HI if anyone cares :)
 
Still buying a Yamaha after all this negative BS:face-icon-small-hap

I just bought a second Viper, going to pick it up this saturday. Soooooo........those of us who have ACTUALLY RODE a Viper really like them. Is anything else important?

The first Viper I made into an MTX for the girlfriend, but liked it so much I bought a second Viper and am going to convert it and boost it. I guess that means I have a 2014 M8 for sale!

Just remember the better Yamaha gets the more Poo guys will be in here bashing so get ready!!!
 
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