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Old 01-23-2019, 01:09 PM
sledsuperman sledsuperman is offline
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Default Polaris Engine History

I am trying to remember some engine history and wondered if anyone could tell me what years had what engine. Of course, this year we have the 850 Patriot. In recent years Polaris introduced a new engine with a lightweight crankshaft, 3 stage exhaust valves, electronic oil pump, some sort of integrated mount, and side grooves in the pistons. What model year of sleds had these changes? What engine does the MY16, 17, and 18 have? P.S. I'm talking about the mountain sleds. Pro RMK, AXYS RMK, etc.

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Old 01-24-2019, 05:14 PM
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2011.. it was released..

2012.. had newer injectors..

2013.. got new cylinder.

2014.. Graphics.. stickers

2015.. paint colors

2016.. 3 stage exh. valves. cable operated

2017.. Bright colors.. power coating

2018 800 light weight crank

2019 .. 850... "New" engine


I am sure people can add to this.. short list..
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Old 01-24-2019, 07:23 PM
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16 started the new motor and lightweight crank or was the axys motor just upgraded pro motor with lightweight crank?

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Old 01-25-2019, 08:55 AM
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Yes..

2016.. IS axys chassis.. i do believe the mounts changed too..

2016.. is a different engine than say a 2015 pro..

2016 lightweight crank
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