32” Tires Only, How Not To Blow Belts - Polaris RZR Forum - RZR Forums.net
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post #1 of 22 Old May 26th, 2019, 02:50 PM Thread Starter
 
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32” Tires Only, How Not To Blow Belts

Wife told me if I want a RZR, it better be a 4 seater, so here I am. Been reading through the forum for knowledge but haven’t really found my answer since most situations included engine mods and tuners. Probably somewhere down the line I will do engine mods, but that’s down the line. Until then, I still want 15” bead locks with 32” tires for trail reasons on a stock setup. But that’s a lot of extra weight on the clutches so reading around I would need a clutch kit, ya? Anything else besides tearing into the trans for a gear reduction kit? Or am I destined to just get a tuner or new clutches? And I’m only getting started on these noob questions so be prepared for more.
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post #2 of 22 Old May 26th, 2019, 04:25 PM
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Re: 32” Tires Only, How Not To Blow Belts

Speaking from many bad experiences, I’d run it with the stock clutching and see how it does before you change anything, I’ve been through a lot with the clutches on mine, had many issues, my buddy on stock clutching with no engine or gear mods and 32’s has never had an issue. Peak performance may suffer a bit, but it’s better to try it out and see what you think before you open the can of clutch worms.


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Help me get some info in these threads: Tire Height --- Front Diff
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post #3 of 22 Old May 26th, 2019, 05:31 PM
 
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If your willing to spend the money, you could look into Portals.
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post #4 of 22 Old May 26th, 2019, 07:19 PM
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Originally Posted by HK45 View Post
Wife told me if I want a RZR, it better be a 4 seater, so here I am. Been reading through the forum for knowledge but haven’t really found my answer since most situations included engine mods and tuners. Probably somewhere down the line I will do engine mods, but that’s down the line. Until then, I still want 15” bead locks with 32” tires for trail reasons on a stock setup. But that’s a lot of extra weight on the clutches so reading around I would need a clutch kit, ya? Anything else besides tearing into the trans for a gear reduction kit? Or am I destined to just get a tuner or new clutches? And I’m only getting started on these noob questions so be prepared for more.
This works have one on my 18 Turbo 2 seat, its easy to install....with the correct tools. https://aftermarketassassins.com/pro...oil-clutch-kit
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post #5 of 22 Old May 27th, 2019, 01:57 PM
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Re: 32” Tires Only, How Not To Blow Belts

Get a Razorback belt temp gage would be your first step. Keep an eye on temp. If it starts to get hot, slow down.

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post #6 of 22 Old May 27th, 2019, 03:14 PM
 
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Re: 32” Tires Only, How Not To Blow Belts

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Get a Razorback belt temp gage would be your first step. Keep an eye on temp. If it starts to get hot, slow down.
This should be one of the first mod for any UTV.

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post #7 of 22 Old May 28th, 2019, 08:10 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

I have a 2018 XPT and just had the gear reduction done ....increased 12% hi and reverse 33% low range

I am not an expert but depending on you riding style I would say the gears are a must
I bought all the gears for $450...and the dealer charged me $650.00 in install
It was one of the best mods I have done

I just realized you said 4 seater ...I am not sure but I think the 4 seaters have the lower gears ? RBW713 can answer this question
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post #8 of 22 Old May 28th, 2019, 08:21 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

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I just realized you said 4 seater ...I am not sure but I think the 4 seaters have the lower gears ? RBW713 can answer this question
Only 16 & 17 XPT4s had low gearing. In 18 Polaris raised the low gearing.
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post #9 of 22 Old May 28th, 2019, 08:28 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

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Quote:
Originally Posted by Max H View Post

I just realized you said 4 seater ...I am not sure but I think the 4 seaters have the lower gears ? RBW713 can answer this question
Only 16 & 17 XPT4s had low gearing. In 18 Polaris raised the low gearing.
Thanks Joe ...I couldn't remember ....
To the OP then ...I would recommend the gear reduction
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post #10 of 22 Old May 28th, 2019, 08:35 AM
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Re: 32” Tires Only, How Not To Blow Belts

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Originally Posted by Max H View Post
I have a 2018 XPT and just had the gear reduction done ....increased 12% hi and reverse 33% low range

I am not an expert but depending on you riding style I would say the gears are a must
I bought all the gears for $450...and the dealer charged me $650.00 in install
It was one of the best mods I have done

I just realized you said 4 seater ...I am not sure but I think the 4 seaters have the lower gears ? RBW713 can answer this question
2018+ 2 seat and 4 seat are very close in L, they just use different tooth count gears to get there. 4 seat has a slightly lower H and a noticeably lower R

XPT ----------------------------------- XPT4
L: 20.25:1 --------------------------- L: 20.27:1
H: 11.58:1 --------------------------- H: 12.46:1
R: 23.36:1 --------------------------- R: 26.23:1


Gear Reduction is very useful and, in my opinion, makes the machine geared the way it should be. But it may not be for everyone. I don't think gear reduction is absolutely necessary, and it's more than some want to dive into. It all depends on how you use it, and how you like the way it behaves while you use it. Just put the 32's on an ride it for a bit, if you find things you don't like, and things you'd like to change, then look into options, but make sure they're what you need / want to do before you do them, and having a good baseline to start with is a crucial part to the right mods, if any.

And having done gear reduction, and messing with every aspect of the clutches, with the AA kit linked above, I will tell you that your clutch setup has more to do with belt life than the gearing ( I initially thought the opposite ), and the stock setup is the baseline you need for clutch setup. I absolutely love my gearing now, don't get me wrong, but I'm only 75% happy with my clutching, and I sit and ponder everyday about just putting all the stock clutch items back in and seeing how it reacts, or why i even messed with it in the first place.

There's a link to my build thread in my signature if you'd like to read the whole story, and you can see how my thoughts and opinions progressed on the whole thing as I went along, might even answer some other questions you'll have in the future too.

I reiterate my first statement here: Put the tires on and run it as is, don't open the can of worms if you don't have to. Your bank account also likes this option.

"If it ain't broke don't fix it"! lol
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Help me get some info in these threads: Tire Height --- Front Diff
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post #11 of 22 Old May 28th, 2019, 08:50 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

Have you considered the High Lifter Edition ?....comes with lower gears than the others. I have a 2-Seater HL that I run 32's on 15 inch beadlocks with no mods at all and no issues. I do alot of trail and rock riding in Kentucky, Tennessee Region
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post #12 of 22 Old May 29th, 2019, 06:17 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

My wife told me the same thing when I went to get another UTV. I went with the XPT 4. Had 32" tires before I left the dealer. Got home went for a spin and topped out at 45 MPH. Gave aftermarket assassins a call and got a cluthc kit. Only tool about 1 hour to install. Haven't had any issues since. Love the power. I have 1500 miles on it so far. No belt problems. I ride the outlaw's and hatfield and mccoy trail in WVA. I havent found a hill that I didn't have the power to climb.
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post #13 of 22 Old May 29th, 2019, 01:49 PM
 
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Re: 32” Tires Only, How Not To Blow Belts

Definitely take a look into the High Lifter Edition XP4. Comes with the lower gearing, high clearance A arms and Radius Rods, lower doors, front bumper, winch and snorkels (will never need those myself) out of the box. I put 32's on my stock wheels and so far have not had any issues with the belt or power at all. We do mainly slower technical trail riding in IN, KY and TN so we are mainly in low all the time other than getting to and from trail heads and the campgrounds.
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post #14 of 22 Old June 4th, 2019, 11:05 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

What about just getting an XP4 Turbo S. Problem solved.
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post #15 of 22 Old June 4th, 2019, 11:55 AM
 
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Re: 32” Tires Only, How Not To Blow Belts

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What about just getting an XP4 Turbo S. Problem solved.
Problem not solved, the 18+ XPT (S) have a higher gear ratio than the 16/17 models.
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