30/ENGINE - WORK ON INDIVIDUAL PARTS 81
300513-11
– Tighten screws with special tool.
Guideline
Screw, clutch spring M6 7 Nm (5.2 lbf ft)
Mortise key (45229021000) ( p. 143)
16.10Checking/measuring clutch
Condition
The centrifugal clutch has been removed.
300610-10
– Measure clutch.
Guideline
Clutch shoe height ≥ 98.00 mm (≥ 3.8583 in)
» If the specified value is not reached:
– Replace the clutch linings.
– Dismantle the centrifugal clutch. ( p. 80)
– Check clutch linings for damage.
» If the clutch linings are damaged:
– Replace the clutch linings.
– Assemble the centrifugal clutch. ( p. 80)
16.11Checking/measuring the cylinder
300515-10
– Check the cylinder bearing surface for damage.
» If the cylinder bearing surface is damaged:
– Change the cylinder and piston.
– Measure the cylinder diameter at several locations on the and axes using a
micrometer to check for oval wear.
Guideline
Cylinder - bore diameter
Size A 39.505… 39.517 mm (1.55531…
1.55578 in)
Size B 39.517… 39.530 mm (1.55578…
1.5563 in)
300525-10
– The cylinder size is labeled on the side of the cylinder.
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