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I was very hesitant to put that pump in but there is a pressure regulator inline that dumps the excess back in the tank. Im only getting 45 psi at the fuel rail which is right in spec with what the book says 43 + or -3 so hopefully all is good!!

Holy sh>t man new fuel pump and this thing is awesome. Cant even remember it running so good, ever!!!!

so after a little testing found the fuel pressure to be about 28 psi and the book spec is 43+-3 so its quite a ways out of spec. Hopefully this is the problem.. We took it all apart and found a matching pump at the auto parts store, problem is the spec on the pump is 80psi, im hoping that since...

The 850 builds its power at 7200 rpms the soft rev limiter kicks in at 7500 and the hard limiters is somewhere around 8000. The tires are 26x11x14 maxxis bighorns all the way around, problem was there with the stock tires also. In the mean time i have pulled the clutches and taken them apart...

So a little history... Took this into my dealer about 6 months ago for lacking power, it would only pull about 6400 rpms. They did some clutch work and told me it had sucked some dirt and needed a valve job, at this time no blue smoke they changed the oil and said to go ahead and use it...

ive got one and in the mtns playin in the snow im gettin about 10-12 mpg out on the farm just crusing around im gettin 15-18 mpg

Polaris 850 xp here

Just got mine about a week ago have 200 miles on it or so..Not to big on brand bashing every rider for his own. I bought the polaris because the dealer is good to me and i got a fair deal on it. As far as the machine i love it, the ride is awesome, power is good, stock tires suck , Does feel a...