Better lower rpm responsiveness I already had the TRS power valve and P-85 clutching so it was already pretty good. The tune made it a little crisper
Polaris 2025 improvements.
- Thread starter RMK-King
- Start date
I posted this on another thread but I guess I probably should have posted it here. Here are my findings so far with my 2025 Khaos Boost 155 3.25
My '25 khaos boost absolutely rips from bottom to top. I was out in Wyoming with it in about 2-4ft of fresh depending on where I was at and just ran great. Was out of breakin mode around 240 miles, zero plugs fouled, new boards have a lot less snow built up on them compared to the other older matryx chassis in the group. Throttle worked great, no snow or ice build up and best of all......ZERO bogging issues!! Sled is completely stock, no aftermarket can or aftermarket intake venting and it didn't bog once. Vents were covered many times and I thought oh its going to bog for sure and nope, didn't happen. Also, no P22 clutch issues but I do retorque after every ride. First couple days clutch bolt moved I'd say maybe a just shy of a 1/4 turn but third through fifth day bolt didn't move much on the retorque. My 2024 broke the clutch bolt around 300 miles. Very happy with my 2025 so far
My '25 khaos boost absolutely rips from bottom to top. I was out in Wyoming with it in about 2-4ft of fresh depending on where I was at and just ran great. Was out of breakin mode around 240 miles, zero plugs fouled, new boards have a lot less snow built up on them compared to the other older matryx chassis in the group. Throttle worked great, no snow or ice build up and best of all......ZERO bogging issues!! Sled is completely stock, no aftermarket can or aftermarket intake venting and it didn't bog once. Vents were covered many times and I thought oh its going to bog for sure and nope, didn't happen. Also, no P22 clutch issues but I do retorque after every ride. First couple days clutch bolt moved I'd say maybe a just shy of a 1/4 turn but third through fifth day bolt didn't move much on the retorque. My 2024 broke the clutch bolt around 300 miles. Very happy with my 2025 so far
U
underpressure
Well-known member
My 2024 9r I just bought has a billet clutch spider and updated primary bolt. Is this the good clutch spider?
I doubt it. We'll see.
At low elevation and when not riding aggressive, the sled almost loads up or I’ll call it a verbal but anything above 6000 feet and riding extremely hard. The thing runs amazing.
So they went with a one range hotter spark plug, does that mean i can use that in my 24 and 22 850 without problem?
Yes
2025 has a forged spider. To my knowledge forged is the strongest manufacturing process to make anything because the metal grain structure is the best. That said it might also depend on the grade of aluminum used in the forged spider vs the billet spider, as well as any heat treatment.
