Polaris ATV Forum - View Single Post - 07 800 fuel pump test
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post #2 of (permalink) Old 07-13-2014, 03:45 AM
Extreme ATV Enthusiast
WalterS's Avatar
Join Date: Mar 2011
Location: Shenandoah Valley,Virginia
Posts: 337
There is your problem. It should build up to 37-39 lbs on first turn of key and hold there. IIRC. Surely either a pump or pressure regulator issue.

What is pressure at idle? Mid throttle?

Does pump make any noise like screeching or anything like that?
How long will it hold 36-39 lbs?

The problem is it should build higher pressure initially.

2007 Sportsman 800
1500 miles, mostly at Hatfield-McCoy trails, WVa.
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