Sym EuroMX 125 Service Manual page 76

Turn the flywheel in counter clockwise motion
with T type wrench until the "T" mark on flywheel
aligned with the mark on the crankcase so that
the hole on the camshaft sprocket is forward up
and piston is at TDC position.
Loosen the screw cap of camshaft chain
tensioner and remove O-ring.
With a flat screwdriver to tighten the screw of
camshaft chain tensioner in a clockwise motion
for release tensioner.
Remove the cam sprocket. (bolt x2)
Remove the left bolt (bolt x2) of cylinder head
firstly, and then remove the 4 nuts & washers
from the cylinder head top-end.
Pry out the chain and take out the sprocket.
Then, remove the cylinder head.
Caution
• Loosen the nuts diagonally by 2-3
sequences.
• Do not let the chain fall into the crankcase
after removed the sprocket.
This chapter Contents
Bolt x 2
6. Cylinder Head/Valve
BTDC
Nut x 4 Bolt x 2
6-5