Suzuki DF9,9 Service Manual page 201

• Install the dog spring 4, ensuring that it fits snugly into
groove on clutch dog shifter.
FORWARD GEAR
Apply gear oil to the forward gear and place the back-up shim 1
in position, then install forward gear.
 99000-22540: SUZUKI OUTBOARD MOTOR GEAR OIL
PINION GEAR AND DRIVE SHAFT
1. Apply gear oil to the thrust bearing 4 and pinion gear 1.
 99000-22540: SUZUKI OUTBOARD MOTOR GEAR OIL
2. Place the pinion gear 1, back-up shim 2, thrust washer
(I.D. 20 mm) 3, thrust bearing 4 and thrust washer (I.D.
21 mm) 5 in gearcase.
3. Lower the driveshaft assembly down into the gearcase until
the bottom of shaft passes to center of pinion gear.
4. Install the circlip 6.
5. Check the backlash exists between the pinion gear and for-
ward gear. (See "FORWARD GEAR/PINION GEAR" section
on page 8-21 to 8-23.)
LOWER UNIT 8-15