6
. CYLINDER HEAD/VALVES
Measure the I.D. of each valve rocker arm.
Service Limits:
IN: 10.1 mm (0.404 in)
EX: 10.1 mm (0.404 in)
Measure each rocker arm shaft O.D.
Service Limits:
IN: 9.9 mm (0.396 in)
EX: 9.9 mm (0.396 in)
Measure arm to shaft clearance.
Replace as a set if out of specification.
Service limits: 0.1 mm (0.004 in)
ASSEMBLY
Apply engine oil to the rocker arms and
rocker arm shafts.
Install the rocker arms and shafts into the
camshaft holder.
*
• Install the exhaust valve rocker arm
shaft on the "EX" side of the camshaft
holder and the exhaust rocker arm shaft
is shorter.
• Clean the intake valve rocker arm shaft
off any grease before installation.
• Align the cutout on the exhaust valve
rocker arm shaft with the bolt of the
camshaft holder.
6-9
Valve Rocker Arms
Rocker Arm Shafts
6mm Bolt
DINK 50/ 125