1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 89Get this manual
FUEL SYSTEMCARBURETION Oil Tank Exploded View 1999 Pro 785
Air Flow Check Valve (Located On Hull Air Intake Duct)
Apply Loctite:Y PST 592 or Ultra BlackAllow adequate cure timeDo not over-tighten'-
Fitting Orientation Slightly Downward
Torque to 40 inlbs)
all Filterdo notsubstitute -