Ski-Doo Formula 500 1998, Shop Manual

Page: 216 / 398

Section 05 TRANSMISSION
Subsection 08 (GEARBOX)
05-08-14
DISASSEMBLY
NOTE: It is possible to see the sliding gear in mo-
tion through oil gauge hole.
Unbolt gear shift linkage from shifter.
Unscrew cover screws no. 5 as well as reverse
axle screw no. 7 .
1. Reverse axle screw
Separate cover no. 6 from housing and move it
toward the front in order to disengage fork from
sliding gear.
1. Fork
2. Sliding gear
Loosen chain tension, unscrew sliding gear retain-
ing screw
no. 31 , then remove sliding gear
no. 32 .
First remove 19-tooth reverse gear no. 18 and
then remove reverse axle no. 20 .
1. Sliding gear screw
2. Reverse axle
Remove coupling shaft no. 33 , 44-tooth sprocket
no. 34 , spacer no. 38 and chain no. 28 .
First unscrew castellated nut no. 10 , then remove
22-tooth sprocket no. 12 .
Force 2 spring pins no. 16 out to disengage fork
no. 17 from its axle.
INSPECTION
14, Chain Slider
Replace slider if maximum wear is 1.0 mm (.039
in) at contact point.
Bearings
Check bearing condition. There must be no discol-
oration, missing rollers, broken cages, etc.
Sprockets and Gears
Check teeth.
ASSEMBLY
Reinstall drive shaft.
Reinstall gearbox housing.
NOTE: Adjustment screw can only be installed
when housing is removed.
Sealed side of bearing no. 27 must face gearbox
cover.
A15D1UA
1
2
A15D1VA
1
A15D1RA
1
2