Honda NSR150SP Manual page 182

NSR150SP
________________________________________________
Service Information
Troubleshooting
Crankcase Separation
Transmission
SERVICE INFORMATION
GENERAL
• The crankcase halves must be separated to service the crankshaft, connecting rod
and transmission (including the shift fork and shift drum). To service these parts, the
engine must be removed from the engine (Section 7).
• The following parts must be removed before separating the crankcase:
- Oil pump (Section 4)
- Water pump (Section 6)
- Cylinder head, Cylinder, piston (Section 8)
- Clutch, gearshift linkage,and kickstarter (Section 10)
- Alternator, flywheel (Section 1 1)
- Neutral switch (Section 18)
• Be careful not to damage the crankcase mating surface.
• When disassembling, mark and store the disassembled parts to ensure that they are
reinstalled in their original locations.
SPECIFICATIONS
ITEM
Connecting rod big
end
Crankshaft runout
Transmission gear I.D.
Transmission gear
bushing O.D.
Transmission gear
bushing I.D.
Crankshaft/Transmission
12-1
12-3
12-4
12-4
Side clearance
Radial clearance
A
B
M5, M6
C2, C4
C3
M5, M6
C1
C2
C3
M5, M6
C1
C2
C3
12-1
http://mototh.com
Crankshaft
Crankcase Bearing
Replacement
Crankcase Assembly
STANDARD
0.3 - 0.7 (0.012 - 0.028)
22.020 - 22.041 (0.8669 - 0.8678)
20.020 - 20.041 (0.7882 - 0.7890)
22.020 - 22.041 (0.8669 - 0.8678)
25.020 - 25.041 (0.9850 - 0.9859)
21.979 - 22.000 (0.8653 - 0.8661)
19.984 - 19.995 (0.7868 - 0.7872)
21.984 - 22.005 (0.8655 - 0.8663)
24.984 - 24.993 (0.9836 - 0.9840)
20.000 - 20.021 (0.7874 - 0.7882)
17.016 - 17.034 (0.6700 - 0.6706)
20.020 - 20.041 (0.7882 - 0.7890)
22.020 - 22.041 (0.8669 - 0.8678)
12-10
12-11
12-16
Unit: mm (in)
SERVICE LIMIT
0.05 (0.002)
0.05 (0.002)
0.03 (0.001)
22.10 (0.870)
20.10 (0.791)
22.10 (0.870)
25.10 (0.988)
21.90 (0.862)
19.90 (0.783)
21.90 (0.862)
24.90 (0.980)
20.10 (0.791)
17.10 (0.673)
20.10 (0.791)
22.10 (0.870)