Gear Housing
Page 6A-2 90-8M0065421 NOVEMBER 2012
Gear Housing Specifications
Gear Housing Specifications
Gear ratio
Model 2.5/3.5 2.15:1
Gear housing capacity 180 mL (6.1 fl oz)
Gear lubricant type Premium or High Performance Gear Lubricant
Pinion teeth 13
Forward gear teeth 28
Clutch Dog type (forward ‑ neutral)
Forward gear backlash 0.050–0.152 mm (0.002–0.006 in.)
Propeller drive system Drive (shear) pin
Propeller shaft trueness serviceability limit 0.152 mm (0.006 in.) maximum
Lubricants, Sealants, Adhesives
Tube Ref No.
Description Where Used Part No.
66
Loctite 242 Threadlocker Water pump cover bolt threads 92-809821
82
Premium Gear Lubricant
Outside diameter of lower bearing race
Outside diameter of forward gear bearing
Forward gear bronze bearing
Inside diameter of the upper driveshaft bearing
Gear housing cavity
92-858058K01
87
High Performance Gear
Lubricant
Gear housing cavity 92-858064K01
95
2-4-C with PTFE
Water pump base seal lips
Clutch end of cam follower
Seal lips
Outside diameter of carrier bearing
Bearing carrier O-ring surface
Shift shaft surface
Inside of pump cover insert
Inside diameter of water tube seal
Driveshaft splines
92-802859A 1
Special Tools
Collet
Snap‑On CG 40‑9
Aids in the removal of gears and bearings; use with expanding rod.
Expanding Rod Snap‑On CG 40‑4
Aids in the removal of gears and bearings; use with collet.
Slide Hammer 91‑34569A 1
Aids in the removal of various engine components. Use with puller jaws.
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