KYMCO People Service Manual page 96

7. CYLINDER/PISTON
Measure the piston pin O.D.
Service Limit: 16.96mm replace if below
Measure the piston O.D.
x Take measurement at 9mm from the
bottom and 90q to the piston pin hole.
Service Limit: 72.60mm replace if below
Measure the piston-to-piston pin clearance.
Service Limit: 0.02mm replace if over
CYLINDER INSPECTION
Inspect the cylinder bore for wear or damage.
Measure the cylinder I.D. at three levels of
top, middle and bottom at 90q to the piston
pin (in both X and Y directions).
Service Limit: 72.80mm repair or replace if
Over
Measure the cylinder-to-piston clearance.
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) is
subject to the maximum value calculated.
Service Limits:
True Roundness:0.09mm repair or replace
if over
Cylindricity: 0.09mm repair or replace if over
7-5
PEOPLE/PEOPLE S 250
Top
Middle
Bottom