Forward Gear; Pinion Gear; Driveshaft / Driveshaft Support Housing - BRP Johnson 4HP Service Manual

•
Make sure that all parts used in assembly are clean
and lubricated.
•
After assembly, check the parts for tightness and
smoothness of operation.
•
Before final assembly, be absolutely certain that all
gear contact, shim adjustments and tolerances are
correct.
•
Failure to correctly adjust these areas will result in
gearcase damage. (See the "GEARS - SHIMMING AND
ADJUSTMENT" section on the page 8-17.)
•
Do not re-use the gasket, the O-ring and the cotter pin
once removed. Always use new parts.

FORWARD GEAR

Apply gear oil to the following parts.
•
Forward gear backup shim
•
Forward gear
•
Forward gear thrust washer

HPF XR Gearcase Lubricant
NOTE:
The forward gear has the bushing and the dents at the side
of the dog bosses.

PINION GEAR

Apply gear oil to the following parts.
•
Pinion gear thrust washer
•
Pinion gear backup shim
•
Pinion gear

HPF XR Gearcase Lubricant
DRIVESHAFT / DRIVESHAFT SUPPORT
HOUSING
•
Apply Triple-Guard grease to the oil seal lips.

Triple-Guard Grease
•
Apply the gear oil to the bushing in the housing.

HPF XR Gearcase Lubricant
GEARCASE
FORWARD GEAR
Forward
8-11