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Yup I did try that! Definitely better with the stock can and Polaris belt over ultimax. This was the first and only polaris sled (of 3) That was fussy towards ultimax. Usually didn’t matter one bit.

Was a non-current snow check, and apparently Polaris doesn’t allow the warranty to carry over if the original buyer backs out... bunch of BS!

That was just a picture I found on the Net, and ya heard guys having issues. I’ll definitely be checking mine before I put it away for summer!! While mine is still on warrenty, ya $5,500 for that tunnel touch isn’t nice!!:mad:

Has anyone ever checked or had these motor mounts fail out prematurely too?

Haha hahah oops. Missed the date.

Hey brock awesome info, I’m just finding it now.... lol mine is leaking really bad at the Y to single. Still on warranty think i should be pushing for a new Y or pipe? At very least make them figure out which One it is and change it?

Yes stocks primary spring. What color is the Polaris 120/320? And the 320 finish is that a little stiffer then stock or softer? I don’t no if it will pull 68’s and 1.95 gearing in the soft snow, but getting close year end everything getting hard, I think should pull it for rest of season?

Humm ok. I geared it up to 1.95 from stock (2.11) and it pulled it down some (primary shifting out fully so that’s ) Holds 8300-8350 odd 8400 on good hard pack. Think it would be worth a try to throw 68’s weights at it and see what it does? Or what you guys think?

Does anyone no the peak HP rpm for these 800’s running stock exhaust start to finish?

Ok I’ll try that! I no I could see daylight threw the mag side between the mounts and frame. Ya I’ll definitely be looking into that shortly. My sled was always running much hotter too 150 ish on hard pack trail compared to 130’s on my buddies.

Ya I was thinking that too try the stock one back out and see. It’s about 8350 with the 1.95 ratio. And buddies is 8500 bouncing off the rev limiter with stock 2.11 stock ratio. Just read last night about motor mount issues. And my mag side definitely has wear after 1000 miles. I guess that...

Ok thanks outcast! Ya I had a ruff idea about this. My buddy running a ggb mountain and I have a MBRP trail. He would constantly walk away from me anyways we try to race hard or soft. Exact same sled 2” Paddles. I tried gearing it up to 1.95 ratio and my sled still is just just keeping up now...

Hello guys! I no the topic has come up before but I can’t seem to find the old post. Does anyone have dyno test results from a variety of different aftermarket cans? The HP gains or losses while running with the stock pipes on the 17/18 SBA 800’s?

Only thing that comes to mind is maybe the middle shock in the skid flipped around and is hung up on the driver nubs. If you didn't check that already.

I just put an MBRP trail on my switch back. Fits ok, bottom bracket is a tad off but still solid once springs are on. Quite until about 6000-6500 then it barks pretty good! Haven't seen any powe loss yet, still really snappy and no bogging.

Ok thanks a lot for the input! I'll start with the bevel of the nut and go from there!

Hey guy! I have about 250 miles now on my assault. Noticed last night that my primary stock spring has been hanging up when it gets close to 3/4 or fully compressed on that brass nut (there is wear on the nut and inside of the spring) I can also see the primary is not closing all the way, belt...

Yup that's correct. Stock is low, 2.10

Or if any of you other guys have the same set up or tried gearing close to it let me known how you liked it and overall preformance.

Hey Outcast! I'm new to this form so bare with me here! I was reading all the old post in regards to gearing up the 144 SB with 2'' track and just wanted to try verify couple more questions. You went 22:41 or 1:86 ratio? sounds like the sled has no problem pulling those gears on hard pack? how...