PIAGGIO X9 Evolution 125 2008 Service Station Manual page 134

Engine
- Tighten the clamping screw to the prescribed tor-
que.
- Set the tensioner cursor in the rest position.
- Fit the chain tensioner on the cylinder, using a
new gasket, and tight the two screws to the pre-
scribed torque.
- Insert the chain tensioning screw, together with
the spring and washer, tightening it to the prescri-
bed torque.
- Adjust the valve clearance.
- Fit the spark plug.
Electrode distance 0.8 mm
N.B.
GREASE THE END STOP RING TO PREVENT IT COMING
OUT AND FALLING INTO THE ENGINE.
Locking torques (N*m)
Timing chain tensioner support screw
Spark plug Starter ground screw
12 ÷ 14
Timing chain tensioner slider screw
up counterweight support screw
chain tensioner central screw
retention plate screw
ENG - 134
11 ÷ 13
7 ÷ 8.5
Start
10 ÷ 14
Timing
11 ÷ 15
Camshaft
5 ÷ 6
4 ÷ 6
X9 Evolution 125