Engine Service Data - Polaris PREDATOR 50 2009 Manual

ENGINE / TRANSMISSION

Engine Service Data

Cylinder Head / Valvetrain
Rocker Arm
Rocker Arm Shaft
Camshaft
Cylinder Head
Valve Clearance (Lash)
Valve Seat
Valve
Valve Guide
Valve Stem to Guide
Valve Spring
Cam Chain
Compression Pressure
KEY - Std: Standard; OS: Oversize; ID: Inner Diameter; OD: Outer Diameter; Mag: Magneto Side;
PTO: Power Take Off
3.8
Rocker arm ID
Rocker arm ID
Rocker arm shaft OD
Rocker arm shaft OD
Cam lobe height
Surface warpage limit
Contacting width
Stem diameter
Inner Diameter
Clearance (Standard)
Clearance (Standard)
Free Length
Squareness
(Maximum reading with throttle wide
open)
(In/Ex) Std .3937 - .3944" (10.00-10.02 mm)
(In/Ex) Limit .3976" (10.10 mm)
(In/Ex) Std .3926 - .3932" (9.97 - 9.99 mm)
(In/Ex) Limit .3902" (9.91 mm)
Std 1.047" (26.60 mm)
In
Limit 1.031" (26.20 mm)
Std 1.039" (26.40 mm)
Ex
Limit 1.024" (26.00 mm)
.0020" (.05 mm)
In Std .002" (.06 mm)
Ex Std .002" (.06 mm)
Std .039" (1.0 mm)
In
Limit .063" (1.6 mm)
Std .039" (1.0 mm)
Ex
Limit .063" (1.6 mm)
In .1958 - .1965" (4.98 - 4.99 mm)
Ex .1950 - .1956" (4.96 - 4.97 mm)
Limit .1930" (4.90 mm)
In .1968 - .1973" (5.0 - 5.01 mm)
Ex .1968 - .1973" (5.0 - 5.01 mm)
Limit .1980" (5.03 mm)
In .0004 - .0015" (.01 - .037 mm)
Ex .0012 - .0022" (.03 - .057 mm)
Clearance Limit (In) .0031" (.08 mm)
Clearance Limit (Ex) .0039" (.10 mm)
Inner 1.270" (31.75 mm)
Outer 1.365" (34.67 mm)
0.075" (1.9 mm)
Install new as a part of any crankshaft removal
Std
135-175 psi (930-1205 kPa )
Sportsman 90 / Outlaw 90