Selecting The Propeller Shaft Shim - SELVA MARINE Blue Whale 250 EFI Service Manual

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Selecting the propeller shaft shim

NOTE:
Be sure to make this measurement in met-
rics.
1. Measure the forward gear height M1, M2
as shown and then calculate the value
C1.
Digital caliper: 90890-06704
Calculation formula:
Forward gear height C1 = M1 – M2
2. Measure the reverse gear height M3, M4
as shown and then calculate the value
C2.
6-27
Lower unit
C1
M1
M2
S6P26330
S6P26360
Calculation formula:
Reverse gear height C2 = M3 – M4
3. Measure the propeller shaft spline width
C3.
4. Select the propeller shaft shim T4.
C2
M3
M4
S6P26340
S6P26360
C3
S6P26370
6P23H11