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Polaris Highlifter Discuss the new Polaris Highlifter 850 and Highlifter 1000

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post #11 of 15 (permalink) Old 12-27-2018, 04:47 AM
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In this case altitude will not affect top speed because it's rpm limited, the quad will reach top rpm regardless of altitude. And going to a 2 inch bigger tire only gets you about 2mph more
Ha HA, I have been in the process of mounting up and fitting 32.5 OL2's, and was thinking the exact same thing. The tire is roughly %10 bigger then my stock 29.5's, so, I was thinking %10 of 55mph is 5.5 mph, so my new top speed, should be, an incredible 60 mph give or take. MASSIVE top speed, no ATV faster on earth....
Undecided likes this.

must modify
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post #12 of 15 (permalink) Old 12-27-2018, 03:11 PM
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In this case altitude will not affect top speed because it's rpm limited, the quad will reach top rpm regardless of altitude. And going to a 2 inch bigger tire only gets you about 2mph more

So you're saying that if 2 bikes; 1000 cc and 400 cc have the same RPM they will both have the same top speed. If the 400 has an RPM 500 greater than a 1000 it will go faster.

Last edited by PoPo3; 12-27-2018 at 03:14 PM.
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post #13 of 15 (permalink) Old 12-27-2018, 03:24 PM
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Originally Posted by Undecided View Post
In this case altitude will not affect top speed because it's rpm limited, the quad will reach top rpm regardless of altitude. And going to a 2 inch bigger tire only gets you about 2mph more
Ha HA, I have been in the process of mounting up and fitting 32.5 OL2's, and was thinking the exact same thing. The tire is roughly %10 bigger then my stock 29.5's, so, I was thinking %10 of 55mph is 5.5 mph, so my new top speed, should be, an incredible 60 mph give or take. MASSIVE top speed, no ATV faster on earth....

Get rid of the 32.5 and go to 60's Not even your guard-in-angel will keep up with you.
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post #14 of 15 (permalink) Old 12-28-2018, 02:27 AM
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Quote:
Originally Posted by Undecided View Post
In this case altitude will not affect top speed because it's rpm limited, the quad will reach top rpm regardless of altitude. And going to a 2 inch bigger tire only gets you about 2mph more

So you're saying that if 2 bikes; 1000 cc and 400 cc have the same RPM they will both have the same top speed. If the 400 has an RPM 500 greater than a 1000 it will go faster.
Please read the entire thread and original question

2016 High Lifter 1000 - GSE muffler and intake
2006 Raptor 700 - Stage 3 cam, intake, exhaust, tuned
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post #15 of 15 (permalink) Old 05-21-2019, 02:13 PM
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Originally Posted by Undecided View Post
In this case altitude will not affect top speed because it's rpm limited, the quad will reach top rpm regardless of altitude. And going to a 2 inch bigger tire only gets you about 2mph more
Ha HA, I have been in the process of mounting up and fitting 32.5 OL2's, and was thinking the exact same thing. The tire is roughly %10 bigger then my stock 29.5's, so, I was thinking %10 of 55mph is 5.5 mph, so my new top speed, should be, an incredible 60 mph give or take. MASSIVE top speed, no ATV faster on earth....
The 32.5'are mounted on the beadlock wheels, been riding them around the yard, and on the street. Yeah, the top speed thing..... the new wheel tire set up has pointed out in no small way, that I need new bushings all around. Squrrily x 2, not a good feeling, feeling like it will spit you off, or into the ditch..

must modify
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