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2012 155 assault with 5.1 track compared to 155 pro rmk

mt.sledder

Well-known member
Lifetime Membership
Need to make a decision on what sled to order for next year. I already have the 155 pro rmk and love it. Going to trade it in on either another 155 pro rmk or the 155 assault with the 5.1 track. I only weigh about 175 lbs geared up and have been running my rear shock on my pro as tight as possible for the rough trails in Revelstoke. I find the front shocks work great in the powder but I think they are to quick on the rebound on the bumpy trails. I would love to hear from the guys that put the 5.1 on their assault and have also rode the pro.Need some honest feedback on how the 155 assault will stack up against the pro rmk in the following:
  1. ski width, the assault will be wider how much will that hurt the tight turns downhill through the trees compared to the narrow setting on the pro?
  2. no sway bar on the assault, what will be the difference in handling in powder and tight trees compared to the narrow setting on the pro?
  3. will the assault shocks get the sled up on top of the powder as good as the pro shocks?
  4. how much better will the assault shocks be on the hammered out trails on the way into areas like keystone in revelstoke?
  5. where does the extra few pounds come from, the tracks will be the same, only difference I see is the added shock weight but then no swaybar so that should help offset the shocks
  6. which sled will ride the best on trails that are not real hammered but somewhat bumpy like yellowstone?

    7. Is the soft setting on the assault shocks going to be plusher than the pro?
    8. Climbing ability in the trees, will the assault keep up to the pro?
    9. Highmarking, can the assault keep up to the pro?
 
I am trying to make the same decision. Anybody with GOOD info please post.
 
I too am trying to decide on these two but also am considering the 163. Being 275 without gear I like the idea of the longer track but also like the assault shocks.

I did read somewhere that the Assault weight is listed with the comp track which is 9 pounds heavier than the powder track.
 
I have the same questions. The only input I can say though is I have a '11 SB Assault (so the wide front end) and it is noticably tougher to get on its side compared to my dad's '11 RMK. Not to say it was hard to do, cuz i could do it relatively easy, but the RMK is just that much easier. Plus the SB Assault doesn't have the adjustible front end so you could make the RMK Assault better. Other than initiating a sidehill, and fitting it in the trailer, the width wasnt noticable to me and I actually liked it for handling. But after its all said and done i'm going to switch to a '12 Pro RMK if that means anything to anyone...
my 2 pennies
 
why wouldn't it climb as good as the pro with the 5.1?? The wider stance hasn't affected me at all when I jump on my buddies assault. I'm planning on snowchecking assaults. One of the guys that works at the dealership has a 2011 assault he put a powerclaw on and also did something to the shocks so that he could narrow the stance to make it like a pro. He did change the a arms and absolutely loves it. that's what I'm going to do. That way you have the suspension of the assault with the stance of the pro. The suspension on bumps is very very nice I love that suspension especially compared to my m8 with floats. It feels like a cadillac compared to my m8 which feels like a old beat up civic.

So 2012 assault 5.1 track. different a arms and shorten up the shocks. I believe there are spacers or something.. I'll find out and let you know.
 
I started out the season with a stock Assault that I swore to God I was going to leave stock. After a trip to IP right after Xmas struggling in 3' to 4' of fresh the Comp track came off and a 5.1 went on. Then the Team Tied secondary went on, the SLP/PCV kit went on, Holz front end and EvolX with SPL Powder Pros went on and just finishing an EZryde install. I have a 155'' Pro with a Team Tied on it to compare apples to apples and came off of an 09 Assault so I knew going into the 11 Assault kind of what I was getting. The stock 11 Assault just will not do what the Pro will do in the deep and in the trees. I understand what the Assault was designed for but hope to get the best of both worlds with this set up.
 
I started out the season with a stock Assault that I swore to God I was going to leave stock. After a trip to IP right after Xmas struggling in 3' to 4' of fresh the Comp track came off and a 5.1 went on. Then the Team Tied secondary went on, the SLP/PCV kit went on, Holz front end and EvolX with SPL Powder Pros went on and just finishing an EZryde install. I have a 155'' Pro with a Team Tied on it to compare apples to apples and came off of an 09 Assault so I knew going into the 11 Assault kind of what I was getting. The stock 11 Assault just will not do what the Pro will do in the deep and in the trees. I understand what the Assault was designed for but hope to get the best of both worlds with this set up.

are those evol x's sick?? man i just can't see if they're that much better then the walker evans but everyone swears by them.
 
Assault

come on guys, someone must have an 11 assault with a 5.1-155 track on it????

I have a 11 assault with a 155. I would never look back. I absolutly love the suspension. I have the skis mid range, and it is a lillte harder to slice and dice, but not very much. I like the fact I can turn the clickers up to stiff on the trails and shen you sre cutting 6-12" of powder with hard stuff underneath you can turn the clickers and soften up the front end so it dosent throw you around when you hit ice or another track underneath. The suspension is awesome.

I am buying another sled for my wife, and am going through the same delima. You can get a good set of clickers for the fron of the RMK from Highmark Rec for around 600. I think the Retro RMK is beautiful, and I hate the graphics on the assault. The problem is I love the assault suspension so I keep going back and forth.

And no, the Retro side panels are not available at the snow check price.
 
I have a 11 assault with a 155. I would never look back. I absolutly love the suspension. I have the skis mid range, and it is a lillte harder to slice and dice, but not very much. I like the fact I can turn the clickers up to stiff on the trails and shen you sre cutting 6-12" of powder with hard stuff underneath you can turn the clickers and soften up the front end so it dosent throw you around when you hit ice or another track underneath. The suspension is awesome.

I am buying another sled for my wife, and am going through the same delima. You can get a good set of clickers for the fron of the RMK from Highmark Rec for around 600. I think the Retro RMK is beautiful, and I hate the graphics on the assault. The problem is I love the assault suspension so I keep going back and forth.

And no, the Retro side panels are not available at the snow check price.

Go with your gut, rip the stock "star" wrap off and have a white Assault or go with an aftermarket wrap and have something totally different.
 
Go with the ASSAULT with the 5.1. The suspension factor alone makes this sled awesome. With the clickers you can literally go from bombproof settings one minute to cadillac soft the next. You won't notice the slightly wider front end that much, if anything once you get used to it you will probably like it for the stability factor. If you feel as though the sled trenches to much just drill out a pre-stamped hole and mount the rear suspension in the PRO position. This really is a great sled.
 
Does drilling out that hole and mounting the suspension like the Pro Rmk affect the geometry of how the suspension is supposed to work?
 
I am in the same boat, can't make up my mind either.. I would rather not have to change side panels and graphics. I would if I bought the Assault because the graphics are hideous. I might get the pro and send the shocks off to HM turbos to have them revalved. I can also add the HRP rail braces for added toughness.
 
Off topic

Any one Drill the Assault Hole in The PRO?

Any thoughts?

If I remember right you cannot remount the Pro RMK skid into the "Assault" location due to the rail geometry of the Pro RMK. The front of the RMK rails do not have as much bend or curve like the Assault rails, which I believe would hinder the remount.
 
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