Honda CBR650RA Shop Manual page 315

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Apply engine oil to a new main shaft bearing [1].
Drive in a new
bearing squarely
Drive a new bearing into the crankcase until it is fully
with the marking
seated using the special tools.
side facing down.
TOOLS:
[2] Driver
[3] Attachment, 42 x 47 mm
[4] Pilot, 20 mm
Install the transmission (page 13-10).
DISASSEMBLY/ASSEMBLY
• Coat each gear with clean engine oil and check for
smooth movement.
• Align the lock washer tabs with the spline washer
grooves.
• Always install the thrust washers and snap rings with
the chamfered (rolled) edge facing away from the
thrust load.
• Install the snap rings [1] so that the end gap aligns
with the groove of the splines.
• Make sure that the snap rings are fully seated in the
shaft groove after installing them.
MAINSHAFT
MAINSHAFT/
M1 GEAR (14T)
07949-3710001
07746-0010300
07746-0040500
THRUST
WASHER
M5 GEAR BUSHING
M5 GEAR (27T)
M3/4 GEAR (18/25T)
CRANKCASE/TRANSMISSION
[3]/[4]
CORRECT
SPLINE
WASHER
SNAP RING
SNAP RING
SPLINE WASHER
M6 GEAR
BUSHING
M6 GEAR (28T)
[2]
[1]
INCORRECT
[1]
: Gear teeth
: Rotating gear inner surface
M5 bushing entire surface
M3/4 Gear inner spline surface
M6 bushing outer surface
M3/4 gear shifter groove
SPLINE WASHER
LOCK WASHER
THRUST
WASHER
M2 GEAR (17T)
13-9