SELVA MARINE Grey Whale 200 EFI Service Manual page 212

LOWR
1. Measure the forward gear heights M1
and M2 as shown and then calculate the
value C1.
NOTE:
Measure the gear height at 4 points to find
the height average.
Digital caliper: 90890-06704
Calculation formula:
Forward gear height C1 = M1 – M2
2. Measure the reverse gear heights M3
and M4 as shown, and then calculate the
value C2.
6-27
Lower unit
C1
M1
M2
S6P26330
S6AL6300
NOTE:
Measure the gear height at 4 points to find
the height average.
Calculation formula:
Reverse gear height C2 = M3 – M4
3. Measure the propeller shaft spline width
C3.
C2
M3
M4
S6P26340
S6AL6300
C3
S6AL6320
6AL3J11