Category Archives: Polaris XP

timing mark on crank not there &%$/”!!

My 2010 850xp was starting hard and idling rough so I decided to see if the timing gear slipped on crank. I can clearly see the black mark on gear but nothing on crank. The bike will run so both marks should show. I turned crank over many times and no luck. Do the marks come off and are there marks elsewhere.
Compression is down a bit but within 10% of each other. 210psi. I didn`t have the right size threaded end for the tester so I used the rod and rubber tip that comes with it and simply pressed it to spark plug hole which may be giving a lower reading.
I am booked in to get computer read and my dealer says it is probably Tmap sensor. I have also read that the computer can also tell if the timing is off. Is that true. Before it goes in to the shop I wanted to clean all sensor conections, check valve lash and test IAC with ohm meter. Anything else I`m missing
The video shows mark best because the glare from light looks like a mark.

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timing gear.

I have a new 2015 850 sp and I am wondering if by this year they fixed the timing gear issues by this time or if it is still an issue with this motor as well

who to use for a arm skid plates/protection

Need to replace a front and rear axle and since most of my riding is being the leader pounding out trails thru virgin timber i have to get some sort of a arm protectors to maybe save of punctured cv boots.

Just wanting to know who you guys have used, had best luck with fitment, and lastly how bad r they for holding muck/how easy to clean out inside protected area.

who to use for a arm skid plates/protection

Need to replace a front and rear axle and since most of my riding is being the leader pounding out trails thru virgin timber i have to get some sort of a arm protectors to maybe save of punctured cv boots.

Just wanting to know who you guys have used, had best luck with fitment, and lastly how bad r they for holding muck/how easy to clean out inside protected area.

Voltage regulator

Looks like my vr died this weekend anyone else have issues mine is an2011 550 eps the rzr’s have this issue a lot and it seems to be mostly water and ground issues. Anyone know of a better built regulator than the cheaply made Polaris one?