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rzr-s ecu

This is a discussion on rzr-s ecu within the Engine and Drivetrain forums, part of the Technical category; I can't find anything on search. Has anyone tried an ecu box for the rzr-s on a standard rzr? Figured if you add the s ...


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  #1  
Old December 13th, 2008, 06:16 PM
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rzr-s ecu

I can't find anything on search. Has anyone tried an ecu box for the rzr-s on a standard rzr? Figured if you add the s cam/hc pistons and exhaust then maybe you could also benefit from using the same ecu unit?
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Old December 16th, 2008, 03:02 PM
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Re: rzr-s ecu

I do know for sure they have different part numbers.
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Old December 16th, 2008, 05:01 PM
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Re: rzr-s ecu

FYI, I ask tech at Polaris dealership outside Nashville,TN. He told me the part # for the RZR,RZRs & Sportman 800 WERE the SAME, B U T
the dealership flashes the ECU for the respective unit, if you ordered one. Post any replys.
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Old January 17th, 2009, 10:40 AM
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Re: rzr-s ecu

ttt----still wondering
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Old January 17th, 2009, 12:31 PM
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Re: rzr-s ecu

FYI Mine came straight from polaris as a hook me up for our race team and the s box has a little different mapping and 25% more fuel added throughout the whole rpm range and mine is programmed with a 9000 rpm rev limit. ( which i will never hit )
PART NUMBERS:

PLAIN - F00HM0086
POLARIS# - 4012227

S - F00KM00043
POLARIS# - 4011599
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Old January 18th, 2009, 08:29 PM
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Re: rzr-s ecu

Quote: Originally Posted by razorkiller50 View Post
FYI Mine came straight from polaris as a hook me up for our race team and the s box has a little different mapping and 25% more fuel added throughout the whole rpm range and mine is programmed with a 9000 rpm rev limit. ( which i will never hit )
PART NUMBERS:

PLAIN - F00HM0086
POLARIS# - 4012227

S - F00KM00043
POLARIS# - 4011599
9000 rev limit?
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Old January 19th, 2009, 08:31 AM
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Re: rzr-s ecu

Yep you have to pin the crank for it to hold but on the nitrous in the mud pit it will turn about 8600 with 28" tires and a Hotseat clutch kit.
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