HRC NSF250R 2012, Owner'S Manual & Parts List

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4-37
Engine Servicing
(1) PIVOT COLLAR
(2) CAM CHAIN GUIDE
(3) PIVOT BOLT
Cylinder Head Installation
Apply oil to the whole surface of the cam chain.
Install the cam chain to the drive sprocket on the
crankshaft.
Apply molybdenum oil solution to the sliding sur-
face of the cam chain guide.
Apply a locking agent to the cam chain guide pivot
bolt threads.
Install the cam chain guide pivot collar, cam chain
guide and pivot bolt.
Tighten the cam chain guide pivot bolt to the speci-
fied torque.
Torque: 12 N•m (1.2 kgf•m, 9 lbf•ft)
(1) PLASTIC PIN DRIVER
Tap the valve stems gently with plastic pin driver as
shown to seat the cotters firmly.
Support the cylinder head so the valve heads do not
contact anything that may damage them.
(1)
(1) PIVOT COLLAR
(2) CAM CHAIN TENSIONER
(3) PIVOT BOLT
Apply molybdenum solution to the sliding surface
of the cam chain tensioner.
Apply a locking agent to the cam chain tensioner
pivot bolt threads.
Install the cam chain tensioner pivot collar, cam
chain guide and pivot bolt.
Tighten the cam chain tensioner pivot bolt to the
specified torque.
Torque: 12 N•m (1.2 kgf•m, 9 lbf•ft)
(3)
(2)
(2)
(3)
(1)
(3)
(2)
(2)
(3)
(1)