Yamaha 2003 TZR50, Service Manual

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SPEC
MAINTENANCE SPECIFICATIONS
2-4
Model TZR50 / X-POWER
Cylinder head:
Max. waparge 0.03 mm
* Lines indicate straightedge measurement.
Cylinder:
Bore size 40,293 ~40,312 mm
<Limit> <40.4mm>
Taper limit 0.05 mm
Out of round limit 0.01 mm
Piston:
Piston size “D” 40.237 ~ 40.257 mm
Measurement point “*” 12 mm
Piston to cylinder clearance 0.049 ~0.062 mm
<Limit> <0.1 mm>
1st oversize 40.60 mm
2nd oversize 40.80 mm
Rings:
Top ring Chrome plated type
B = 1.2 mm
T = 1.6 mm
Second ring Chromed type
B = 1.2 mm
T = 1.6 mm
End gap (installed)
Top ring 0.15 ~ 0.30 mm
2nd ring 0.15 ~ 0.30 mm
Side clearance
Upper ring 0.03 ~ 0.06 mm
2nd ring 0.03 ~ 0.06 mm
MAINTENANCE SPECIFICATIONS
ENGINE
*