Polaris Sportsman 400 Service Manual page 138

CAMSHAFT TIMING, CONT.
4. Loop the cam chain on the cam sprocket with the
dots on the sprocket facing outward and the
alignment pin notch facing directly upward.
5. Before positioning the sprocket on the camshaft,
check the position of the cam sprocket alignment
pin. When the cam is positioned properly, the cam
sprocket alignment pin (A) is directly in line with
the crankshaft/camshaft centerline (B).
6. Install the sprocket on the camshaft. Apply Loctite
242 to the cam sprocket bolts and torque to
specifications.
Cam Sprocket Bolt Torque:
6 ft. lbs. (.828 kg-m)
7. Verify TDC mark in timing inspection hole and
alignment pin is directly in line with crankshaft to
camshaft centerline. Refer to Ill. on following
page.
8. Apply 3 Bond 1215 (P/N 2871557) to the
camshaft end cap and install using a new O-Ring.
9. Check all cam timing marks to verify proper cam
timing, and install the cam chain tensioner body
with a new gasket.
10. After tensioner installation, rotate engine at least
two revolutions and re-check marks/timing.
- projex@inbox.lv -
Single (TDC)
Mark Aligned
ENGINE
A
B
A
3.69