CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 10 -
Checking of camshaft bearing
rocker arm.
Check if camshaft fixed seat and camshaft
rocker arm and camshaft rocker arm bearing
is worn or broken.
Measure outer diameter of camshaft rocker
arm bearing and inner diameter of camshaft
rocker arm.
Inner diameter of camshaft rocker arm
Used limit: 10.10mm, change if worn larger
Outer diameter of camshaft rocker arm
bearing
Used limit: 9.91mm, change if worn larger
The gap between camshaft rocker arm and
camshaft rocker arm bearing.
Used limit: 0.10mm ,change if worn larger
3.2.3 Disassembly of cylinder head
Remove camshaft bearing.
Remove carburetor.
Remove exhaust pipe.
Remove inlet manifold.
Remover fan cover.
Remover bolt and screw of engine cover.
Disassemble + remove engine cover.