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Valve Seat Reface - Yamaha WaveRunner FX160 Wartungshandbuch

Vorschau ausblenden Andere Handbücher für WaveRunner FX160:
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POWR
b
VALVES AND VALVE SPRINGS
30˚

Valve seat reface

1. Reface the valve seat with the valve seat
cutter.
Valve seat cutter holder:
Intake (ø4.0 mm):
90890-06811
Exhaust (ø4.5 mm):
90890-06812
Valve seat cutter:
30° (intake):
90890-06815
45° (intake):
90890-06814
60° (intake):
90890-06813
30° (exhaust):
90890-06328
45° (exhaust):
90890-06312
60° (exhaust):
90890-06315
Valve seat cutter set:
YM-91043-C
2. Cut the surface of the valve seat with a 45°
cutter by turning the cutter clockwise until
the valve seat face has become smooth.
a Slag or rough surface
CAUTION:
Do not over cut the valve seat. Be sure to
turn the cutter evenly downward at a pres-
sure of 40–50 N (4–5 kgf, 8.8–11 lbf) to pre-
vent chatter marks.
3. Use a 30° cutter to adjust the contact width
of the top edge of the valve seat.
b Previous contact width
5-76
E

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Diese Anleitung auch für:

Waverunner fx160 cruiser

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