What's thoughts on the axys 850

ktmsx350f

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For 8-9k feet

10-68 Weights (+4 grams from the 2018 800 Pro w/10-64's)

120/320 drive spring (same as the 2018 800 PRO)

155/222 driven spring

Straight 42 helix (+2˚ from 2018 800 PRO)

@ 8250 RPM.... I'm told it has really flat power curve from 8000-8400


Shes gunna be a killer boys, no doubt about it. To spin 68grams at 8000 feet its making some power for sure.

steeper angle and 4 grams per pin is a lot. Pro ride to Axys we only gained 2 I believe. 10-62 pro 10-64 Axys. Longer stroke and more long end torque with extra cc’s should spool those EFr even faster Chris!!!
 

takethebounce

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steeper angle and 4 grams per pin is a lot. Pro ride to Axys we only gained 2 I believe. 10-62 pro 10-64 Axys. Longer stroke and more long end torque with extra cc’s should spool those EFr even faster Chris!!!

You want to see weight SLP pipe set gets you into 71gr. Lol
 

takethebounce

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For 8-9k feet

10-68 Weights (+4 grams from the 2018 800 Pro w/10-64's)

120/320 drive spring (same as the 2018 800 PRO)

155/222 driven spring

Straight 42 helix (+2Ëš from 2018 800 PRO)

@ 8250 RPM.... I'm told it has really flat power curve from 8000-8400


Shes gunna be a killer boys, no doubt about it. To spin 68grams at 8000 feet its making some power for sure.

Chris what’s your thoughts on the P85 being able to continue to provide not on reliable but durable clutching as time goes on?

We already see heavier weights really abusing the clutches and wearing into the spider and even with using the polar stainless shins they are wearing those out as well.

I would rather pay for an aftermarket durability kit or HD clutch than wear out stock clutches.
 

ktmsx350f

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I have tried one 8-9 hp gain very similar to the jaws pipe. Changing the primary spring helps them gain rpm. 10-71 is turbo area and it’s not close. At elevation slp be 150 ish hp a 8 psi turbo can pull 10-72 at 200 hp at elevation
 
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ktmsx350f

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I have tried one 8-9 hp gain very similar to the jaws pipe. Changing the primary spring helps them gain rpm. 10-71 is turbo area and it’s not close. At elevation slp be 150 ish hp a 8 psi turbo can pull 10-72 at 300 hpn

A pipe will not at all be the same as a stroked motor. 800 Axys engine power out easy when climbing and loose track speed had a stroked engine will build more torque. Torque is what will maintain track speed. No pipe in the world will compare to 50cc more stroke a big bore won’t even accomplish the same thing
 

takethebounce

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A pipe will not at all be the same as a stroked motor. 800 Axys engine power out easy when climbing and loose track speed had a stroked engine will build more torque. Torque is what will maintain track speed. No pipe in the world will compare to 50cc more stroke a big bore won’t even accomplish the same thing

Did I say it did?

I just said if you want to see heavy weights you should see what can be run with just the SLP pipe and you go on a tangent about turbos and strokers.
 

takethebounce

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At what sea level ? Slp at 6k feet don’t pull 71 g

Sure does. Actually it was getting into the rev limiter a few times as well. 163x3.

But I mean it’s my sled, what would I know.

Had to go back to 10-64’s and lighter spring because the bushings were worn out in the SLP weights. What a dog compared to the SLP. It also matters where the weight is as well. These are not 10 series weights.

Here is the clutching set up right from SLP. They actually suggest 72gr for my MTX weights total but with the 3” I run 1gr less. I mean they obviously know nothing about their products. lol.

5af73d1b0094eb4674cacaafe7a46df2.jpg



But I digress. All I was commenting on was that the 800’s can pull weight as well. Looking forward to the 850’s and everything they bring to the table. It will be a fun one next winter.
 

adamg

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These last posts are a catastrophe. First off, you can not just say 'it pulls 71gr weights' without specifying what weights you are talking about. That's probably equivalent to pulling 10-66.
 

ktmsx350f

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These last posts are a catastrophe. First off, you can not just say 'it pulls 71gr weights' without specifying what weights you are talking about. That's probably equivalent to pulling 10-66.

Your right a different profile weights and different spring. An slp pipe only makes a coupe hp it won’t pull 10-66
 

Chrisco

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Ok Ok Ok Polaris and SLP mtk weights are not apples to apples. You can not compare the two, different weight in different places....not the same.
 

Chrisco

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Chris what’s your thoughts on the P85 being able to continue to provide not on reliable but durable clutching as time goes on?

We already see heavier weights really abusing the clutches and wearing into the spider and even with using the polar stainless shins they are wearing those out as well.

I would rather pay for an aftermarket durability kit or HD clutch than wear out stock clutches.


I think that will be the next step for polaris, HD primary. Polaris clutching is the best in the business always has been. We were always under powered but the power to the track was always better than everyone else for mountain riding because of there clutching.

I think at 2500 miles they should just be replaced, I have rebuilt many in my time and they just arn't the same as new.
 

ktmsx350f

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Ok Ok Ok Polaris and SLP mtk weights are not apples to apples. You can not compare the two, different weight in different places....not the same.

No not even close the slp pipe with 10-64 didn’t pull any difference then he jaws pipe we got from you. The 850 will walk all over a 800 with a pipe for sure
 

Chrisco

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Chris what’s your thoughts on the P85 being able to continue to provide not on reliable but durable clutching as time goes on?

We already see heavier weights really abusing the clutches and wearing into the spider and even with using the polar stainless shins they are wearing those out as well.

I would rather pay for an aftermarket durability kit or HD clutch than wear out stock clutches.

If you are wearing into the spider change out the weights sooner lol.... the pin bushings are bad and need to be replaced. You can just replace the bushings in the weights.
 

takethebounce

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These last posts are a catastrophe. First off, you can not just say 'it pulls 71gr weights' without specifying what weights you are talking about. That's probably equivalent to pulling 10-66.

I did specify the weights. Read again.

It was just a simple comment. Holy fawk you guys are sensitive.

Lol.
 

takethebounce

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If you are wearing into the spider change out the weights sooner lol.... the pin bushings are bad and need to be replaced. You can just replace the bushings in the weights.

Bushings and pins replaced every 1000 miles. The weight still walks.
 
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