Suzuki DF 90 Service Manual page 382

FORWARD GEAR BACK-UP SHIM ADJUSTMENT
Follow the procedure below to adjust forward gear.
Step to prior to adjustment
1. Correctly assemble reverse gear, driveshaft oil seal hous-
ing, driveshaft, pinion gear and related components. (See
page 11-78 – 11-80)
2. Tighten pinion nut to specified torque.
Pinion nut: 120 N . m (12.0 kg-m, 87.0 lb-ft)
3. Correctly assemble forward gear, forward gear bearing, pro-
peller shaft, propeller shaft thrust bearing and propeller shaft
bearing housing and related components, then install for-
ward gear/propeller shaft/bearing housing assembly into
gearcase.
4. Tighten both bearing housing retaining bolts to the speci-
fied torque.
NOTE:
• Before installing special tool, loosen the jam nuts securing
the long bolts and then remove the plate from long bolts.
• Screw long bolts into the 10 mm thread on propeller shaft
bearing housing.
5. Install the special toll to gearcase and then attach it to the
propeller shaft as shown in the illustration.
09951-98721: Gear holder
6. Turn the bolt 1 counterclockwise and tighten until the pro-
peller shaft can rotate smoothly without play.
Do not over tighten.
Checking driveshaft thrust play
(a) Affix gear adjusting gauge to driveshaft.
09951-09530: Gear adjusting gauge
(b) To check the driveshaft thrust play, slowly push driveshaft
downward, then read the maximum play
Driveshaft thrust play:
Approx. 0.3 – 0.5 mm (0.012 – 0.020 in.)
• If thrust play is larger than the specified, thickness of forward
gear back-up shim must be increased.
• If thrust play is smaller, forward gear back-up shim thickness
must be decreased.
DF140 "K2" ('02) MODEL
2
1. Jam nuts
2. Plate
11-89
1
1