Honda CBR 954RR Service Manual 12 crankshaft trans

CRANKSHAFT/TRANSMISSION

12

N*m

(1.2

m

SERVICE INFORMATION
TROUBLESHOOTING

-

1 CRANKSHAFT 12-3

12
12

-

2 TRANSMISSION

10

12-9

SERVICE

INFORMATION

GENERAL

The crankcase must be separated to service the crankshaft and transmission. Refer to section
ti

on/assem bly.

Be careful not to damage the crankshaft main journal and journal bearing while removing or installing the crankshaft.
Mark and store the disassembled parts to ensure that they are installed in their original locations.
Mark and store the bearing inserts to ensure that the parts are in their correct locations during reassembly.
are improperly installed, they
The main journal bearing inserts are a select
code tables. After installing new bearings, recheck them with a plastigauge to verify clearance. Apply molybdenum
fide oil to the main journal during assembly.

S

P

ECI FI

CAT1

0

N

S

Crankshaft

Transmission

Side clearance

Runout

Main journal oil clearance

I.D.

Gear

Bushing

Bushing

Gear-to-bushing
clearance

Mainshaft0.D. 1 M5

Countershaft
Bushing

clearance

ITEM

O.D.

I.D.

-to-

will

block the oil holes, causing insufficient lubrication and eventual engine seizure.

fit

and are identified

I

1

0.05 - 0.20 (0.002 - 0.008)

by

color codes. Select replacement bearings from the

STANDARD

-

0.017 - 0.035 (0.0007 - 0.0014)

M5,

O.D.1

shaft

M6

c1

I

c2, c3,c4

1

M5,

M6

I

c3,4

1

M5

I

c2

M5, M6

c3,

c4

I

Clutch outer quide I 24.980 - 24.993 (0.9835 - 0.9840)
C2

31.000 - 31.025 (1.2205 - 1.2215)

26.000

-

26.021 (1.0236 - 1.0244)

1

33.000 - 33.025 (1.2992 - '1.3002)

1

30.950 - 30.975 (1.2185 - 1.2195)

1

32.950 - 32.975 (1.2972 - 1.2982)

1

27.985 - 28.006 (1.1018 - 1.1026)

1

29.985 - 30.006 (1.1805 - 1.1813)

]

0.025 - 0.075 (0.0010 - 0.0030)

1

0.025 - 0.075 (0.0010 - 0.0030)

1

27.967 -27.980 (1.1011 - 1.1016)

1

29.967 - 29.980 (1.1798 - 1.1803)

0.005 - 0.039 (0.0002 - 0.0015)

-

0.005

0.039 (0.0002 - 0.0015)

11

for crankcase separa

If

the inserts

Unit:

1

SERVICE LIMIT

0.30 (0.012)

0.30 (0.012)

0.045 (0.0018)

31.04 (1.222)

(1.025)

26.04

1

33.04 (1.301)

1

30.93 (1.218)

1

32.93 (1.296)

I

28.02 (1.103)

1

30.02 (1.182)

1

27.957 (1.1007)

1

24.96 (0.983)

I

29.96 (1.180)

mm

-

disul-

(in)

1

I

1

1

I

1

I

I

1

12-1

CRANKSHAFT/TRANSMISSION

TORQUE VALUES

Connecting rod bearing cap nut

9

Crankcase

mm bolt (main journal bolt)

TOOLS

Inner driver, 40 mm
Attachment,
Driver shaft

25

I.D.

mm

TROUBLESHOOTING

Excessive noise

Worn connecting rod big end bearing

Bent connecting rod

Worn crankshaft main journal bearing
Worn transmission bearing

Hard

to

shift

Improper clutch operation
Incorrect transmission oil weight
Incorrect clutch adjustment
Bent shift fork
Bent fork shaft
Bent fork claw
Damaged shift drum cam groove
Bent shift spindle

35

N*m (3.6 kgf-m, 26 Ibf-ft)

See page 12-7

07746

-

0030100

07746

-

0030200

07964

-

MB00200

Transmission jumps

Worn gear dogs and slots

Bent fork shaft
Broken shift drum stopper

Worn or bent shift forks

Broken shift linkage return spring

Engine vibration

Excessive crankshaft runout

Apply oil to the threads and seating surface

out

of

gear

12-2

CRANKSHAFT

REMOVAL

CRANKSHAFT/TRANSMISSION

Before removai

pos tion a// the

at

pistons

(Top Dead Center)

to prevent damag

ing the crankpin

with the connect

TDC

ing rod bolt

threads

Separate the crankcase halves (page

11-3).

Remove the connecting rod bearing cap nuts and
bearing caps.

Remove the crankshaft.

-

-

Remove the

main journal bearings from both the

crankcases.

MAIN

I

.-

IOlJRNAL

bR0

--9ie-*w

BEARINGS

Aha

the O

the

ys

replace

-

ring when

oiijets are

removed.

Remove the crankshaft oil jets from the upper
crankcase.

Inspect the oil jets for clogs, and replace if necessary.

12-3

PRIMARY

Remove the special snap ring and friction spring.

DRWE

SUB-GEAR

REMOVAL

FRICTION

SPRING

3

SNA

Remove the primary drive sub

PRIMARY

Install the springs into the primary drive gear as
shown.

Install the primary drive sub
drive gear, aligning the holes between the gear.

DRIVE

SUB-GEAR INSTALLATION

-

gear and springs.

-

gear onto the primary

SU

B-GEAR

12-4

Apply molybdenum disulfide oil to the area shown in
the illustration.

v

ALIGN