Refitting the intake manifold
Fit the intake manifold and do up the three screws.
N.B.
USE COMMERCIALLY AVAILABLE INSERTS AND INSERT
HOLDERS FOR THE SPECIAL SCREWS FOR 125 CM³
MODELS.
Crankcase - crankshaft
Splitting the crankcase halves
First remove the following units:
transmission cover, driving pulley, driven pulley and belt, rear hub cover, gears, bearings and oil seals
as described in the transmission chapter.
- Remove the oil sump, the by-pass, the chain compartment cover and the oil pump as in the lubrica-
tion chapter.
- Remove the flywheel cover together with the water pump, the flywheel and the stator as described in
the magneto flywheel chapter.
- Remove the oil filter and the oil pressure switch.
- Remove the cylinder/piston/head unit as described in the cylinder head timing system chapter.
- Remove the two retainers indicated in the figure and the starter motor.
Before opening the engine crankcase, it is advis-
able to check axial clearance of the crankshaft. To
do this, use a plate and a support with appropriate
tool dial gauge.
Higher clearances are signs of wear on the sup-
porting surfaces of the crankshaft casing.
Standard clearance: 0.15 ÷ 0.40 mm
X9 Evolution 125 Engine
ENG - 135
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