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Repair instructions
Fit the clutch onto the crankshaft and tighten
anticlockwise as far as it will go. Then tighten to a
torque of at least 20 Nm using tool 502 54 16-01
and a suitable socket or combination spanner.
3
Remove the piston stop. Fit the spark plug, tightening
it to a torque of 15 Nm, then connect the HT lead.
Then refit:
• cylinder cover
• guide bar
• chain
• clutch cover
2
Oil pump – removal 346XP, 350, 351,
353
1
Empty and clean the oil tank.
2
3
Unbolt and remove the clutch drum (A), RIM chain
sprocket (B) if fitted, needle bearing (C) and pump
drive wheel (D).
Model 350:
Remove the bolts on the anti-vibration elements on
the same side.
4
A
C
D
B
Remove the cylinder cover. Disengage the chain
brake by pushing the kickback guard backwards.
Undo the guide bar bolts and remove the clutch
cover, chain and guide bar. Disconnect the HT
lead. Remove the spark plug and fit piston stop
502 54 15-01 in its place. Unscrew the clutch
(clockwise) using clutch tool 502 54 16-01 and a
suitable socket spanner or combination spanner.
Unbolt the oil pump from the crankcase.
5
B
A
C
D
Remove the oil hose and filter (A).
Model 350:
Push the housing up a little from the fuel tank and
remove the filter (A) from underneath, see the
diagram under “Oil pump – removal 340, 345”.