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8. CYLINDER/PISTON Mongoose/KXR 90/50
A Mark
The cylinder has an "A" mark or no
mark on it. When replacing the cylinder
with a new one, use a cylinder having
the same mark as the old one.
Measure the piston O.D. at a point 3mm
from the bottom of the piston skirt.
Service Limit: 38.90mm replace if below
Measure the piston-to-cylinder clearance.
Service Limit: 0.10mm replace if over
Measure the piston pin hole I.D.
Service Limit: 12.03mm replace if over
Measure the piston pin O.D.
Service Limit: 11.98mm replace if below
Measure the piston-to-piston pin clearance.
Service Limit: 0.03mm replace if over
8-15