Polaris 2005 Sportsman MV7, Service Manual

Page: 84 / 312

ENGINE
3.26
VALVE SEALING TEST
1. Clean and dry the combustion chamber area (A).
Refer to Page 3.23 for cleaning tips.
2. Pour a small amount of clean solvent onto the
intake port and check for leakage around each
intake valve. The valve seats should hold fluid
with no seepage.
3. Repeat for exhaust valves by pouring fluid into
exhaust port.
A
VALVE TRAIN EXPLODED VIEW
HEAD
VALVES
SPRINGS
RETAINER LOCKS
SPRING RETAINERS
GUIDE SEALS
ROCKER ARMS
PUSH RODS
HYDRAULIC LIFTERS
22
±
2 ft. lbs.
(30
±
3 Nm)