Cylinder Head/Cylinder/Piston - Honda NSR150SP Manual
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Also See for NSR150SP:
- Owner's manual (112 pages) ,
- Owner's manual (104 pages) ,
- Owner's manual (112 pages)
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NSR150SP
________________________________________________
Service Information
SERVICE INFORMATION
GENERAL
•
The cylinder head, cylinder and piston can be serviced with the engine in the frame.
•
Be careful not to damage the mating surfaces by using a screwdriver when
removing the cylinder head and cylinder.
•
Take care not to damage the cylinder wall and piston.
•
Clean all disassembled parts with clean solvent and dry them using compressed air
before inspection.
•
Coat all sliding surfaces with clean 2-stroke oil before assembly.
•
Refer to Section 9 for RC valve information.
SPECIFICATIONS
ITEM
Cylinder compression
Cylinder head warpage
Cylinder I.D.
Cylinder out of round
Cylinder warpage
Piston mark direction
Piston O.D.
Piston O.D. measurement point
Piston pin hole I.D
Cylinder-to-piston clearance
Piston pin O.D.
Piston-to-piston pin clearance
Piston ring~to-ring groove clearance
Ring end gap
Ring mark
Connecting rod small end I.D.
Cylinder Head/Cylinder Piston
8-1
8-2
8-3
8-4
8-5
108 kPa (1 1.0 kgf/cm
400 min
-
Code A
59.010 - 59.015 (2.3232 - 2.3234)
No mark
59.005 - 59.010 (2.3230 - 2.3232)
Code C
59.000 - 59.005 (2.3228 - 2.3230)
-
-
'IN' mark facing toward the intake side
Code A
58.965 - 58.970 (2.3215 - 2.3216)
Code B
58.960 - 58.965 (2.3213 - 2.3215)
Code C
58.955 - 58.960 (2.3211 - 2.3213)
12 mm (0.5 in) from the bottom
16.002 - 16.015 (0.6300 - 0.6305)
0.040 - 0.050 (0.0016 - 0.0019)
15.994 - 16.000 (0.6927 - 0.6299)
0.002 - 0.021 (0.0001 - 0.0008)
Top
0.38 - 0.53 (0.015 - 0.021)
Second
0.38 - 0.53 (0.015 - 0.021
Top
3R
Second
4R
20.002 - 20.014 (0.7875 - 0.7880
8-1
http://mototh.com
Installation
STANDARD
2
, 156 psi) at
-1
(rpm)
8-10
8-10
8-10
8-14
8-14
Unit: mm (in)
SERVICE LIMIT
-
0.05 (0.002)
59.05 (2.325)
59.05 (2.325)
59.05 (2.325)
0.05 (0.002)
0.05 (0.002)
-
58.92 (2.320)
58.92 (2.320)
58.92 (2.320)
16.03 (0.631)
0.080 (0.0031)
15.98 (0.629)
0.04 (0.002)
0.12 (0.05)
0.65 (0.026)
0.65 (0.026)
20.03 (0.789)
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