GEAR HOUSING
Page 6A-18 90-826883R2 JUNE 1998
Shift Shaft
1. Pull shift shaft assembly from gear housing.
2. Remove and replace outer O-ring from shift shaft retainer.
k
j
i
h
g
f
e
d
c
b
a
a-Shift Shaft
b-Boot
c-Retainer
d-O-ring (outer)
e-O-ring (inner)
f-Washer
g-Spring
h-Washer
i-Roll Pin
j-Driver Pin
k-Shift Cam
Drive Shaft and Pinion Gear
1. Clamp driveshaft in a soft jaw vise and remove pinion nut or bolt that secures pinion to
driveshaft. Pull driveshaft out of gear housing. Remove pinion and tapered roller bear-
ing.
NOTE: 9.9/15 Bigfoot (4 Stroke) uses nut to secure pinion gear. 20/25 (2 Stroke) uses bolt
to secure pinion gear.
a
b
c
a-Pinion Nut/Bolt
b-Pinion
c-Tapered Roller Bearing