Cylinder/Piston Contents - Honda CB HORNET 160R 2015 Shop Manual

COMPONENT LOCATION
SERVICE INFORMATION
SERVICE INFORMATION
GENERAL
• The cylinder and piston services can be done with the engine installed in the frame.
• Take care not to damage the cylinder wall and piston.
• Be careful not to damage the mating surfaces when removing the cylinder. Do not strike the cylinder too hard during removal.
• Camshaft and rocker arm lubricating oil is fed through an oil passage in the cylinder. Clean the oil passage before installing
cylinder.
SPECIFICATIONS
ITEM
I.D.
Out-of-round
Cylinder
Taper
Warpage
Piston O.D. at 10 (0.4) from bottom
Piston pin hole I.D.
Piston pin O.D.
Piston-to-piston pin clearance
Piston,
piston pin,
piston ring Piston ring end gap
Piston ring-to-ring
groove clearance
Cylinder-to-piston clearance
Connecting rod small end I.D.
Connecting rod-to-piston pin clearance
TROUBLESHOOTING
Compression too low, hard starting or poor performance
at low speed
• Leaking cylinder head gasket
• Worn, stuck or broken piston rings
• Worn or damaged cylinder and piston
Compression too high, overheating or knocking
• Excessive carbon built-up on top of piston or combustion
chamber
Excessive smoke
• Worn cylinder, piston or piston rings
• Improper installation of piston rings
• cored or scratched piston or cylinder wall
Abnormal noise (piston)
• Worn piston pin or piston pin hole
• Worn cylinder, piston or piston rings
• Worn connecting rod small end
8. CYLINDER/PISTON
8-0 TROUBLESHOOTING
8-1 CYLINDER/PISTON
57.300 – 57.310 (2.2559 – 2.2563)
57.280 – 57.295 (2.2551 – 2.2557)
14.002 – 14.008 (0.5512 – 0.5514)
13.994 - 14.000 (0.5510 - 0.5511)
0.002 – 0.014 (0.0001 – 0.0006)
Top 0.07 - 0.17 (0.002 - 0.0066)
Second
0.10 - 0.25 (0.004 - 0.010)
Oil (side rail)
0.10 – 0.35 (0.008 – 0.013)
Top
0.030 – 0.060 (0.0012 – 0.0024)
Second
0.015 – 0.050 (0.0006 – 0.0020)
0.005 – 0.030 (0.0002 – 0.0012)
14.010 – 14.028 (0.5516 – 0.5523)
0.010 – 0.034 (0.0004 – 0.0013)
TOOLS
Slider base piston
070SRTKSP008
STANDARD
–
–
–
8-1
8-2
Unit: mm (in)
SERVICE LIMIT
57.40 (2.260)
0.10 (0.004)
8
0.10 (0.004)
0.10 (0.004)
57.20 (2.252)
14.04 (0.553)
13.96 (0.550)
0.04 (0.002)
0.40 (0.016)
0.40 (0.016)
0.85 (0.033)
0.10 (0.004)
0.10 (0.004)
0.09 (0.004)
14.06 (0.554)
0.10 (0.004)
8-1