Cylinder/Piston - Honda 1998 VT750C Service Manual

GENERAL INFORMATION
Unit: mm (in)
CYLINDER/PISTON
r-
ITEM
STANDARD SERVICE LIMIT
Cylinder
1.0. 79.000 - 79.015 (3.1102 - 3.1108) 79.10 (3.114)
Out of round
- -
0.06 (0.002)
Taper
- -
0.06 (0.002)
Warpage
- -
0.10 (0.004)
Piston, piston Piston mark direction "IN" mark facing toward the intake side
- -
rings
Piston 0.0. 78.97 - 78.99 (3.109 - 3.110)
78.90 (3.106)
Piston 0.0. measurement point 7 - 17 mm (0.3 - 0.7 in) from bottom of skirt
- -
Piston pin bore 1.0. 18.002 - 18.008 (0.7087 - 0.7090) 18.05 (0.711)
Piston pin 0.0. 17.994 - 18.000 (0.7084 - 0.7087) 17.98 (0.708)
Piston-to-piston pin clearance 0.002 - 0.014 (0.0001 - 0.0006) 0.04 (0.002)
Piston ring-to-ring
Top
0.025 - 0.055 (0.0010 - 0.0022) 0.08 (0.003)
groove clearance
Second 0.015 - 0.045 (0.0006 - 0.0018) 0.07 (0.003)
Piston ring end gap
Top '98 - 2000 0.20 - 0.35 (0.008 - 0.014) 0.5 (0.02)
After 2000
0.15 - 0.25 (0.006 - 0.010) 0.4 (0.02)
Second '98 - 2000 0.35 - 0.50 (0.014 - 0.020) 0.7 (0.03)
After 2000 0.25 - 0.40 (0.010 - 0.016) 0.6 (0.02)
Oil (side rail)
0.20 - 0.80 (0.008 - 0.031)
1.0 (0.04)
Piston ring mark
Top "R" mark - -
Second
"RN" mark
- -
Cylinder-to-piston clearance
0.010 - 0.045 (0.0004 - 0.0018) 0.10 (0.004)
Connecting rod small end
1.0. 18.016 - 18.034 (0.7093 - 0.7100) 18.07 (0.711)
Connecting rod-to-piston pin clearance
0.016 - 0.040 (0.0006 - 0.0016) 0.06 (0.002)
1-8