MAINTENANCE SPECIFICATIONS
2-5
E
SPEC
LOWER UNIT
REED VALVES
Thickness
0.2 (0.0079)
Valve stopper height
mm (in)
1.7 - 2.3 (0.067 - 0.091) 4.5 - 5.1 (0.177 - 0.201)
Valve bending limit
mm (in)
0.2 (0.0079)
THERMOSTAT
Valve opening
temperature
°C (°F)
48 - 52 (118 - 126)
Full-open
temperature
°C (°F)
60 (140)
Minimum valve lift
mm (in)
3 (0.12)
Item
Unit
Model
Worldwide
25BMH
30HMH
Item
Unit
Model
Worldwide
25BMH
30HMH
GEAR BACKLASH
Pinion - forward gear
mm (in)
0.31 - 0.72 (0.012 - 0.028)
Pinion - reverse gear
mm (in)
0.93 - 1.65 (0.037 - 0.065)
Pinion gear shims
mm
0.7 / 1.0 / 1.1 / 1.2 / 1.3 / 1.4 / 1.5 / 1.6
Forward gear shims
mm
1.0 / 1.1 / 1.2 / 1.3 / 1.4
Reverse gear shims
mm
1.0 / 1.1 / 1.2 / 1.3
PROPELLER
Material
Aluminium
No. of blades
×
diameter
×
pitch
in
3
×
9 - 7/8
×
12
3
×
9 - 7/8
×
13
3
×
9 - 7/8
×
14
Test propeller
P/N.
90890-01629
r/min
5,250 - 5,450
Summary of Contents for 25BMH
Page 48: ...FEATURES AND BENEFITS GEN INFO 1 12 E COOLING SYSTEM Fig 7 ...
Page 49: ...1 12 CARACTERISTIQUES ET AVANTAGES GEN INFO F ...
Page 50: ...1 12 MERKMALE UND VORTEILE GEN INFO D ...
Page 51: ...1 12 CARACTERÍSTICAS Y VENTAJAS GEN INFO ES ...
Page 92: ...MAINTENANCE SPECIFICATIONS SPEC 2 8 E DIMENSIONS ...
Page 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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Page 446: ...Printed on recycled paper Printed in Japan Oct 2000 1 9 1 25BMH 30HMH YAMAHA MOTOR CO LTD ...