KYMCO SUPER8 50 Service Manual page 86

7
. CYLINDER HEAD/VALVES
Install the camshaft holder, washers and nuts
on the cylinder head.
Tighten the four cylinder head nuts and two
bolts.
Torque: Cylinder head nut: 1.8~2.2kgf-m
• Apply engine oil to the threads of the
cylinder head nuts.
• Diagonally tighten the cylinder head
nuts in 2～3 times.
CAM CHAIN TENSIONER
INSTALLATION
First install a new cam chain tensioner gasket.
Install the tensioner using the two bolts.
Install the tensioner spring.
Install the O-ring and sealing bolt.
When installing the tensioner, release the
lock pawl and push the push rod all the
way in.
Torque:: 0.45~0.6kgf-m
Adjust the valve clearance. ( 3-5)
Install a new cylinder head cover O-ring and
install the cylinder head cover.
Be sure to install the O-ring into the
groove properly.
Install and tighten the cylinder head cover
bolts.
Torque:: 0.8~1.2kgf-m
Nut
Washer
Cam Chain Tensioner
Lock Pawl Push Rod
O-ring
SUPER8 50
Camshaft Holder
Sealing Bolt
Spring
Cylinder Head Cover
7-10