BALANCER GEAR/BALANCER

REMOVAL

07724-0010200 or 07724-001A200 (U. S.A. only)

N GEAR

BALANCER GEAR/BALANCER

Remove the following:

— Right crankcase cover (page 11-5)

— Left crankcase cover (page 12-4)

— Clutch (page 11-7)

— Starter clutch (page 11-19)

Insert the gear holder between the balancer drive and driven gears.

TOOL:

Gear holder, M1.5

Remove the balancer shaft nut and washer using the special tools.

TOOLS:

Lock nut wrench, 20 x 24 mm 07716-0020100 Extension bar 07716-0020500 or

commercially avail­able equivalent (U. S.A. only)

Remove the balancer drive and driven gears.

BALANCER GEAR/BALANCER

Turn the balancer shaft as shown and remove it.

INSPECTION

Check the balancer shaft for wear, damage or exces­sive scratches.

Check the balancer shaft gear for wear or damage.

Check the balancer drive/driven gear for wear or damage.

INSTALLATION

Install the balancer shaft into the crankcase as shown.

Engage the balancer shaft gear portion with the oil pump driven gear

Install the balancer drive gear while aligning its wide cut-out in the splines with the punch mark on the crankshaft.

Install the balancer driven gear to the balancer shaft while aligning its wide cut-out with the clinched tooth of the balancer shaft.

BALANCER GEAR/BALANCER

BALANCER GEAR/BALANCER

Align the punch mark of the driven gear with the punch mark of the drive gear by turning the bal­ancer shaft.

Insert the gear holder between the balancer drive and driven gears.

TOOL:

Gear holder, M1.5 07724-0010200 or

07724-001A200 (U. S.A. only)

Apply transmission oil to the balancer shaft nut threads.

Install the washer and balancer shaft nut.

Tighten the balancer shaft nut to the specified torque using the special tools.

TORQUE: 44 N m (4.5 kgf-m, 32 lbf-ft)

TOOLS:

Lock nut wrench, 20 x 24 mm 07716-0020100

Extension bar 07716-0020500

Install the following:

— Starter clutch (page 11-23)

— Clutch (page 11-12)

— Left crankcase cover (page 12-6)

— Right crankcase cover (page 11-6)

CAM CHAIN I

CAM CHAIN TENSIONER

CRANKCASE SEPARATION

Refer to service information (page 13-3) for removal of necessary parts before separating the crankcase.

Remove the collar and O-ring.

Remove the bolt, collar, washer and cam chain tensioner.

BOLT/COLLAR/WASHER

BOLTS/WASHERS

BOLTS

DRAIN BOLT/WASHER STAY

BALANCER GEAR/BALANCER

Remove the cam chain from the crankshaft.

Remove the transmission oil drain bolt and sealing washer.

Loosen the crankcase bolts and tightening bolt in a crisscross pattern in two or three steps.

Remove the crankcase bolts, washers and stay.

BALANCER GEAR/BALANCER

BALANCER GEAR/BALANCER

Place the left crankcase facing down and separate the left and right crankcase halves.

RIGHT CRANKCASE

BALANCER GEAR/BALANCER

LEFT CRANKCASE

Remove the oil pump inner/outer rotors and shaft. Remove the one-way valve.

DOWEL PINS GASKET

OIL PUMP

RIGHT CRANKCASE

LEFT CRANKCASE

SHIFT FORKS

MAINSHAFT/

COUNTERSHAFT

ASSEMBLY

BALANCER GEAR/BALANCER

Remove the dowel pins and gasket.

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