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7. CYLINDER/PISTON STRYKER 125/150
CYLINDER INSPECTION
Inspect the cylinder bore for wear, scratches
or damage.
Measure the cylinder I.D. at three levels of
top, middle and bottom at 90° to the piston
pin (in both X and Y directions).
Service Limit: 150cc: 62.20mm replace if over
125cc: 56.70mm replace if over Top
Measure the cylinder-to-piston clearance and Middle
take the maximum figure measured. Bottom
Service Limit: 0.1mm repair or replace if
over
The true roundness is the difference between
the values measured in X and Y directions.
The cylindricity (difference between the
values measured at the three levels in X or Y
directions) is subject to the maximum value
calculated. Top
Service Limits:
True Roundness: 0.05mm repair or replace Middle
if over
Cylindricity: 0.05mm repair or replace if over Bottom
Inspect the top of the cylinder for warpage.
Service Limit: 0.05mm repair or replace if over
7-6