KYMCO MX 125 - Camshaft Installation

7. CYLINDER HEAD/VALVES
7-11
MX’er SYSTEM
Install two cylinder head bolts do not
tighten completely.
Install the cylinder head.
Torque: Stud Bolts :0.81.2kgf-m
CAMSHAFT HOLDER ASSEMBLY
Install the exhaust valve rocker arm to the
“EX” mark side of the camshaft holder.
Install the intake valve rocker arm and the
rocker arm shafts.
Tighten the bolt attaching stop plate.
CAMSHAFT INSTALLATION
Turn the flywheel so that the “T” mark on
the flywheel aligns with the index mark on
the crankcase.
Keep the round hole on the camshaft gear
facing up and align the punch marks on the
camshaft gear with the cylinder head
surface (Position the intake and exhaust cam
lobes down.) and install the camshaft onto
the cylinder head.
Install the cam chain over the camshaft
gear.
Install the dowel pins.
Dowel Pins
Valve Rocker Ar
m
C
y
linder Head
Punch Marks
Camshaft Holde
r
Cam Chain
Round Hole
Camshaft Gea
r
Bolts
• Align the cutout on the front end of the

intake valve rocker arm
valve rocker arm
shaft with the
bolt of the camshaft holder.
• Align the cross cutout on the exhaust
shaft with the bolt of
the camshaft holder.