CRANKSHAFT AND CYLINDER BODY
POWR
5-34
E
CHECKING THE PISTON PINS AND
SMALL-END BEARINGS
1. Check:
•
Piston pin
•
Small-end bearing
Heat discoloration
→
Replace.
Damage/scratches
→
Replace.
2. Measure:
•
Piston pin outside diameter
(use an outside micrometer)
Out of specification
→
Replace.
3. Measure:
•
Piston pin boss inside diameter
(use an inside micrometer)
Out of specification
→
Replace.
Outside micrometer
90890-03006
Piston pin outside diameter
19.895 – 19.900 mm
(0.7833 – 0.7835 in)
Inside micrometer
90890-03010
Piston pin boss inside diameter
19.904 - 19.915 mm
(0.7836 - 0.7841 in)
Содержание 25BMH
Страница 48: ...FEATURES AND BENEFITS GEN INFO 1 12 E COOLING SYSTEM Fig 7 ...
Страница 49: ...1 12 CARACTERISTIQUES ET AVANTAGES GEN INFO F ...
Страница 50: ...1 12 MERKMALE UND VORTEILE GEN INFO D ...
Страница 51: ...1 12 CARACTERÍSTICAS Y VENTAJAS GEN INFO ES ...
Страница 92: ...MAINTENANCE SPECIFICATIONS SPEC 2 8 E DIMENSIONS ...
Страница 156: ...GENERAL CHK ADJ 3 26 E NOTE Grease the inner cable and the lock nut 2 Apply Yamaha grease D ...
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Страница 446: ...Printed on recycled paper Printed in Japan Oct 2000 1 9 1 25BMH 30HMH YAMAHA MOTOR CO LTD ...