Honda Transalp XL700V Manual page 284

SERVICE INFORMATION
GENERAL
• This section covers service of the piston and cylinder.
• The piston and cylinder can be serviced with the engine in the frame.
• Take care not to damage the cylinder walls and pistons.
• Be careful not to damage the mating surfaces when removing the cylinder. Do not strike the cylinder too hard during
removal.
• When disassembling, mark and store the disassembled parts to ensure that they are reinstalled in their original loca-
tions.
• Clean all disassembled parts with cleaning solvent and dry them by blowing them off with compressed air before
inspection.
• Camshaft and rocker arm lubricating oil is fed through oil passages in the cylinder. Clean the oil passages before install-
ing the cylinder.
SPECIFICATIONS
Cylinder I.D.
Out of round
Taper
Warpage
Piston, Piston O.D. at 15 mm (0.59 in) from
piston pin, bottom
piston rings
Piston pin bore I.D.
Piston pin O.D.
Piston-to-piston pin clearance
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
TORQUE VALUE
Cylinder stud bolt, 12 mm
Cylinder stud bolt, 10 mm
TROUBLESHOOTING
Compression too low, hard starting or poor performance at low speed
• Leaking cylinder head gasket
• Worn, stuck or broken piston ring
• Worn or damaged cylinder and piston
Compression too high, overheating or knocking
• Excessive carbon built-up on piston head or combustion chamber
Excessive smoke
• Worn cylinder, piston or piston rings
• Improper installation of piston rings
• Scored or scratched piston or cylinder wall
Abnormal noise
• Worn piston pin or piston pin hole
• Worn cylinder, piston or piston rings
• Worn connecting rod small end
ITEM
Top
Second
Oil
(side rail)
Top
Second
See page 9-9
See page 9-9
STANDARD
81.000 – 81.015 (3.1890 – 3.1896)
–
–
–
80.97 – 80.99 (3.188 – 3.189)
18.002 – 18.008 (0.7087 – 0.7090)
17.994 – 18.000 (0.7084 – 0.7087)
0.002 – 0.014 (0.0001 – 0.0006)
0.200 – 0.350 (0.0079 – 0.0138)
0.350 – 0.500 (0.0138 – 0.0197)
0.20 – 0.70 (0.008 – 0.028)
0.015 – 0.045 (0.0006 – 0.0018)
0.015 – 0.045 (0.0006 – 0.0018)
0.010 – 0.045 (0.0004 – 0.0018)
18.016 – 18.037 (0.7093 – 0.7101)
0.016 – 0.043 (0.0006 – 0.0017)
CYLINDER/PISTON
Unit: mm (in)
SERVICE LIMIT
81.10 (3.193)
0.06 (0.002)
0.06 (0.002)
0.10 (0.004)
80.91 (3.185)
18.05 (0.711)
17.98 (0.708)
0.04 (0.002)
0.50 (0.020)
0.65 (0.026)
0.90 (0.035)
0.065 (0.0026)
0.065 (0.0026)
0.10 (0.004)
18.047 (0.7105)
0.06 (0.002)
9-3