Mercury FourStroke 2.5 Service Manual page 171

Gear Housing
6. Secure the gear housing to the driveshaft housing with two bolts. Tighten the bolts to the specified torque.
a
Tube Ref No.
2-4-C with PTFE
95
Description
Bolt
7. Tighten the bolt clamping the upper and lower shift shafts. With the outboard in neutral, the propeller shaft should turn
freely. If the propeller shaft does not turn freely in neutral, loosen the clamping bolt and verify the shift lever and gear
housing are both in neutral. Tighten the bolt. Install the access cover.
b
Description
Upper and lower shift shaft clamp bolt
8. Verify the correct shift operation. The propeller shaft should turn freely in either direction in neutral. In forward, the propeller
shaft should turn approximately 90 degrees in either direction before stopping. If the shift operation is not as described,
remove the gear housing and inspect the shift cam and clutch for proper assembly.
Page 6A-30
a - Bolts, flat washers, and lockwashers
25534
Description
a
25670
Where Used
Driveshaft splines
a - Bolt
b - Access cover
Part No.
92-802859A 1
Nm lb‑in.
5.6 50
Nm lb‑in.
5.6 50
90-8M0065421 NOVEMBER 2012
lb‑ft
lb‑ft