Category Archives: RZR S 900

Make my S900 faster!

Hoping for a bit of experience from the guys who have been there, done that. I have read 4,000 different forums looking for solid answers.

Have a 2015 S900 for about a year now. Put on an R2C air filter to help it breath, an HMF slip-on to help it exhale and a Power Commander V with Auto tune to help it clean up everything in the middle. But overall I feel almost no difference over stock. Not looking for top speed as much as bottom end and get up off the corners in a big hurry.

Friend mentioned Clutch, but I read often that the stock clutch is just fine? Will I see a big difference when I get on it? Rest of Rzr is pretty stock (tires etc.)

Is the bullydog a better option then my commander?

Does anyone make good tunes for the commander that will increase over the auto-tune?

I am trying to talk myself out of either Turbo this thing and loose any reliability or selling it for a new toy that’ll get up and go faster. I don’t need 90 mph, I want that force yah back in the seat 0-60…

Thanks in advance….

Regulator problems

What do I do if I already had 2 factory voltage regulators put on and a ricks regulator also. Disconnected everything (winch, light bar,radio), but factory cables and with headlights on and fan running its only showing 11.7 volts at the gauge idling. Read meter at battery and get 12.2. Rzr only has 298 miles and 38 hrs. Called dealer and they said no updated one from Polaris. Scared to ride it much for fear of stranding me in the woods….

HMF ECU Flash now available

Hey guys we have our ECU flashe for the 900S dialed in and we are ready to offer them to you. We are really pumped about the gains from this combo. Here is a list of what we have adjusted.

Fans: on @ 190 degrees / Off @ 183 degrees
Ignition Timing adjusted for 91 octane fuel
Fueling adjusted for HMF Dual full exhaust (works with most other aftermarket exhausts)
Rev Limit High gear: 9000
Rev Limit Low gear: 7950
Rev Limit Reverse: 7250
Speed Limit: 95 MPH
Throttle 100% open throughout the entire rev range when pedal is WOT.
Torque Limiters removed
Linear throttle control
8-10 HP gain to the wheels!

Talk about total transformation. This is the best bang for your buck and a big seat of the pants improvement. More models to come as we develop them. Let me know if you have any questions. Here is a link to the site. https://www.hmfracing.com/tuning/fue…cted/ecu-flash

Aj acessiors fender flares install/review

So first of I wanna say Aj customer services is one of the best I’ve dealt with… he called me back from his him when he was having dinner and then sent me an invoice as soon as he was done eating. Secondly I wanna say IMO his flares look better then the competition and they were easy to install. One I got all the tools and made sure everything was were I wanted it it only took me minutes to install. Everything was packages well he sent extra hardware and included drink hamdwarmers, business cards and stickers. Anyways I noted there were a few pics out there but not enough…. if you have any questions about install shoot me a PM.

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What to Upgrade First

I am thinking about putting on racertech springs, BMP Tuner and stage 2 clutch, Super ATV High Clearance A Arms.
Already have the High Lift kit
Wondering what everyone’s thoughts are!!

Turbo hood

Yea I know it looks awesome but does it actually function better? Cause the scoop is there for the radiator but isn’t there something like a deflector on the inside of the turbo model to push the air towards the radiator?

New member with questions

Hi guys… I’m looking at getting into the SXS world and want some real world reviews of the 900s. I have watched tons of YouTube videos and my choices are between the RZR 900s and the Wildcat Sport limited. What have been some of the problems? Are they reliable? Pros and cons… Thanks