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  1. Alatalo

    I hope I don't regret this

    I am not Negative Nancy, but very much Realistic Ricky... Using a proper snocross sled as trail sled is, in general, not a very good idea. Only talking from my own experience, as I have already tried it, kind of. Yes, a snocross sled comes with high end shocks. But unless you do something...
  2. Alatalo

    I hope I don't regret this

    You do know the RS is not a trail sled...? In fact, if the supension is still delivery spec, it is going to be a very stiff and nervous ride down any normal trail. I would say this sled is about as far as you can get from the SR Viper...And like somebody already pointed out - that engine is a...
  3. Alatalo

    IDIOTS- almost killed them, still get worked up remembering

    After more or less every trail ride I am nothing short of amazed about the places where some idiots decide to stop. In the middle of sharp corners. At the top of steep hills. In the middle of icy hills. Real stupidity beats artificial intelligence...anytime.
  4. Alatalo

    Sr Viper Weight

    Or, if you know the weight of any Arctic Cat with the 800cc two stroker and the turbo four stroker, you know the SR Viper will be basically right between them two (22 kilograms / 48.5 pounds more than the 800 but 21 kilograms / 46.3 pounds less than the turbo). Give or take couple of grams for...
  5. Alatalo

    Sr Viper Weight

    The weights can be found in Arctic Cat's swedish brochure. The ZR7000 SP 129" is 229 kilograms, which is 22 kilograms more than the ZR8000 RR 129". The XF7000 SP 137" is 232 kilograms, which is 23 kilograms more than the XF8000 SP CC 141" (they will offer no two stroker with 137" track in...
  6. Alatalo

    2012 AK sled build

    One thing I noticed about my Lightweight Rear Suspension Kit (which is manufactured by BDX) was that the rear swingarm had a lot of side-to-side freeplay between the upper idlers. Maybe they did a mistake with the length of the upper tube of the rear swingarm, or the distance between the upper...
  7. Alatalo

    Skinz concept 36" -5" forward

    I am already at 36" because that is what you get with the 39" Skinz front end and stock ski at full narrow. Sled becomes even easier to flick and I can't say there are any drawbacks in the powder. It does become more nervous on the trail, but this means nothing.
  8. Alatalo

    My Viper ride review.

    Exactly what I am trying to say...! Some of the Yamaha sales reps are trying to convince customers that the Pro Cross chassis was designed by Arctic Cat and Yamaha TOGETHER. That it was meant to carry the Arctic Cat two stroker, the Arctic Cat four stroker AND the Yamaha triple from day one...
  9. Alatalo

    My Viper ride review.

    Great review, but having the above statement repeated by almost everybody that had a test ride is making me seriously worried. The wide powerband of the Nytro mill is user friendly from a fueling as well as clutching point of view. Simply put - it would take an idiot to not get fueling and...
  10. Alatalo

    Fit and finish

    As somebody already said, there is conflicting information and Yamaha needs to come clean about this long before production starts. Will the SR Viper engines be assembled in a Yamaha plant and then shipped to Arctic Cat...? Or, will the SR Viper engines be assembled by Arctic Cat...? In my...
  11. Alatalo

    Fit and finish

    If they will assemble the engines in Thief River Falls, then I am seriously worried...
  12. Alatalo

    Fit and finish

    I did not ride the SR Viper, but I have been on couple of different AC XF and M. In my opinion they all had horrible brakes with a similar feel to Polaris first hydraulic brake - stiff feel but no brake performance whatsoever. For sure not "one finger operated". However, it seems the F800RR (at...
  13. Alatalo

    Fit and finish

    So, the official list of worries regarding the SR Viper is now - the Arctic Crap brake - the Arctic Crap fit and finish I owned loads of ACs in the ninetys and I have always had my concern about the fit, finish and general build quality from Thief River Falls. I do hope that Yamahas...
  14. Alatalo

    2012 AK sled build

    I might have to dig deep in some boxes in my garage to help you shave couple of more grams from those front shocks. I am dead sure I have lighter springs than that and also some other exotic parts...
  15. Alatalo

    Ok......New Issues....GRRRRR

    Some stock Nytros bog on hard throttle openings and the bog usually gets worse if you install a more free flowing aftermarket exhaust without fuel controller. This sounds like your issue because you say it happens only on hard throttle openings, not if you roll into it slow.
  16. Alatalo

    2014 Yamaha apparel and accessories catalog

    The situation is the same also on this side of the pond. Arctic Cat has already got brochures for sleds as well as accessories, including prices. Yamaha has got...nothing. I get the impression they do not even know what models they are going to offer and the sales reps for sure know nothing...
  17. Alatalo

    What was your best trail sled?

    Best trail sled...? Without doubt the piped, ported and very much modified Viper I had around 2002-2003. Most fun trail sled...? Without doubt the 1993 Vmax-4 I currently have...!
  18. Alatalo

    GoPro video of Viper ride

    Well, "no replacement for displacement" is obviously only true if all of the engines compared are of similar technological level and similar state of tune. This is certainly not the case with the four stroke snowmobile engines. Comparing the two cylinder Arctic Cat industry / tractor engine to...
  19. Alatalo

    Looking for advice...

    Good choice, it looks like a 2015 SR Viper MTX with a funny paint job and a smelly engine...? Don't forget to install an anti-stab kit, various reports indicate it is needed.
  20. Alatalo

    GoPro video of Viper ride

    Exactly...! This is like a racecar driver saying "we collected a lot of valuable data" in the post race interview. This usually means "I did shite, we are totally lost and we have got no clue why...".


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