Yamaha 30D - Page 46

2-7
SPEC
E
MAINTENANCE SPECIFICATIONS
LOWER
Item Unit
Model(s)
25hp 30hp
GEAR BACKLASH
Pinion - forward (SST) mm (in) 0.20 ~ 0.50 (0.008 ~ 0.020)
Pinion - reverse (SST) mm (in) 0.70 ~ 1.00 (0.028 ~ 0.039)
Pinion shim mm 0.05, 0.08, 0.12, 0.30, 0.50
Forward shim mm 0.05, 0.08, 0.12, 0.30, 0.50
Reverse shim mm 0.05, 0.08, 0.12, 0.30, 0.50
PROPELLER
Material Aluminum Stainless Dual thrust
No. of blades × diameter ×
pitch
Size 1 (664-45911-01-EL) in 2 × 9-7/8 × 10-1/2 3 × 9-1/8 × 13
(664-45970-00-
98)
3 × 10-5/8 × 8-1/4
(6J8-W4591-00-
EL)
Size 2 (664-45913-01-EL) in 2 × 9-7/8 × 12
Size 3 (664-45943-01-EL) in 3 × 9-7/8 × 8
Size 4 (664-45941-01-EL) in 3 × 9-7/8 × 9
Size 5 (664-45945-00-EL) in 3 × 9-7/8 × 10-1/2
Size 6 (664-45947-01-EL) in 3 × 9-7/8 × 11-1/4
Size 7 (664-45954-00-EL) in 3 × 9-7/8 × 12
Size 8 (664-45949-02-EL) in 3 × 9-7/8 × 13
Size 9 (664-45952-00-EL) in 3 × 9-7/8 × 14
Test propeller 1
(90890-01621)
r/min
4,200 ~ 4,400 5,250 ~ 5,450
Test propeller 2 (YB-1621) r/min