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Rre-ringing my 2005 Scrambler & want to know suggestions for break in oil. Polaris engine oil is synthetic & Im not going to use it for break in.
 

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Rre-ringing my 2005 Scrambler & want to know suggestions for break in oil. Polaris engine oil is synthetic & Im not going to use it for break in.
You would be fine with the full syn. The most important part is how you break it in and how fast you change the oil. Warm it up and then give it hell through the rpm range. Change the oil and filter within an hour. Change again in about five hours and then to normal schedule.

Did you remember to check your ring gap?
 

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DO NOT use Amsoil 0W40, not enough moly in it for break in. It is formulated for atv's with wet clutches, no advantage for us Polaris riders at all.


Thanks,

Will
2012 Sportsman 400HO.
 

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I plan to use 0W-50 Mobil 1 racing oil that is doped too heavy to run in anything with a CAT. Plus it is a close match weight wise to the Polaris 2W-50 that comes in new engines from the factory. Low quality machined parts might do better with dino for break in but for the rest synthetic is the norm today it seems to me.

Synthetic Oil Products | Mobil 1 Racing? and Motorsports
 

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The current P4 oil is 5w-50. I'd run a non synthetic as close to that as you can for the first couple hours. Then again at 5-10 depending on your use. Then regular changes after that with full synthetic.
When did they change it from 2W-50? Until last week I was thinking it was still 0
w-40. :)
Last fall when they launched the new PS4 line of oils.

About half way in they give the new grade...




Thanks,

Will
2012 Sportsman 400HO.
 
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