Derbi ATV DXR 200, Руководство по ремонту

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4-5-4. Cylinder inspection
01. inspect the cylinder bore for any wear. scratches, or damage.
02. measure the cylinder bore at 3 levels (top. middle, bottom) in X and Y directions, 90 degree to the piston
pin. Fig. 4-64
*
service limit: 62.1mm
03. measure the cylinder - piston clearance.
* service limit: less than 0.1mm replace
04. each measured value is the true roundness, the difference between the values -measured in X and Y
directions, . Fig. 4-65
* service limit of true roundness: more 0.05mm -- replace
NOTE
THE CYLINDRICITY, THE DIFFERENCE AMONG THE VALUES MEASURED AT THE 3 LEVELS IN X OR Y
DIRECTION, IS SUBJECT TO MAX. VALUE CALCULATED.
* SERVICE LIMIT OF CYLINDRICITY : MORE THAN 0.05MM -- REPLACE
05. inspect the top of the cylinder for warp Fig. 4-66.
* service limit: less than 0.05mm -- replace
06. measure the connecting rod small end I.D. Fig. 4-67
* service limit: more than 15.032 -- replace
07. check the cam follower contact face for ear or electrode position peeling Fig-. 4-68.
08. measure the cam follower shaft I.D. Fig. 4-69
* service limit: more than 12.05mm -- replace
09. measure the cam follower shaft O.D. Fig. 4-70
* service limit: more than 11.95mm -- replace
10. check the push bar for bending and steel balls for wear or looseness. Measure the push bar length.
* service limit: less than 141mm -- replace Fig. 4-72