Crankshaft - Yamaha TZR50 '03 Service Manual

INSPECTION AND REPAIR
4. Measure:
• Run out of the shaft
Outside specifications
Use the centring tool and the compara-
tor (90890 - 03097)
5. Inspect:
• Gearing
Damaged / Wear
6. Check:
• Operation of the gearing
Operation stiff
7. Inspect:
• Coupling lugs
Cracks / Wear / Damaged

CRANKSHAFT

1. Measure:
• Run out limit "C"
• Clearance of the con rod big end "D"
• Limit of play of the con rod little end "F"
Outside specifications
Use V blocks, the Comparator (90890 -
03097) and a feeler gauge.
TACHOMETER GEAR
1. Inspect:
• Drive gear and driven gear
Damaged / worn
2. Check:
• Operation of the sender
Operation stiff
4-21
Eccentricity limit:
0.08 mm
Change
Change
Width between blades "A":
41.90 ~ 42.00 mm
Eccentricity limit "C":
0.03 mm
Clearance of con rod big end "D":
0.015 ~ 0.026 mm
Free play of the con rod little end
"F"
0.20 ~ 0.61 mm
Change
Change
ENG
Change
Change
Change