Honda CB900F Service Manual page 14

GENERAL IN FORMATION
Unit: mm (in)
r-'
HYDRAULIC BRAKE
ITEM ST ANDARD SERV ICE LIMIT
Front Specified brake fl uid DOT 4
- -
Brake disc thick ne ss
4.3 - 4.7 (0.17 - 0.19) 3.5 (0.14)
Brake disc runcut
- -
0.3 (0.012)
M aster cylinder I.D. 14.000 - 14.043 (0.5512 - 0.5529) 14.055 (0.5533)
Master piston 0 .0 .
13.957 - 13.984 (0.5495 - 0.5506) 13.945 (0.5490)
Cali per cylinde r 1.0. A 30.230 - 30.280 (1.1902 - 1.1921) 30.29 (1.193)
8
27.000 - 27.050 (1.0630 - 1.06501 27.06 (1.065)
Cali per piston 0 .0. A 30.148 - 30.198 (1.1869 - 1.1889)
30.14 (1.187)
8
26.918 - 26.968 (1.0598 - 1.06 17) 26.91 (1.059)
Rear
Specif ied bra ke fl uid DOT 4
- -
Brake disc t hickness
4.8 - 5.2 (0.19 - 0.20) 4.0 (0.16 )
Brake disc runout
- -
0.30 (0.012)
M aster cy li nde r 1.0. 12.700 - 12.743 (0.49999 -1J.5017) 12.755 (0.5022 )
Ma ster pisto n 0 .0. 12.657 - 12.684 (0.4983 - 0.4994) 12.645 (0.4978)
Calipe r cyli nder 1. 0 . 38.180 - 38.230 (1.053 - 1.505) 38.24 (1.506)
Caliper piston 0 .0 . 38.098 - 38.148 (1.4999 -1 .5019) 38.09 (1.5001
r
BATTERY/CHARGING SYSTEM
ITEM SPECIFICATIONS
Battery Capacity 12V - B.6 Ah
Current leak age
1.2 rnA max .
Voltage (20' C/68"F) Fully charge d 13.0 - 13.2 V
Needs cha rging
Below 12.3 V
Charging current Norm al 1.2 N 5- 10 h
Qui ck 5.0 N l h
Alternator
Capacit y 0.38 kW/5,000 m in" (rp m)
Cha rg ing coil resistance (20' C/68'F) 0.1 - 1.0
Q
IGNITION SYSTEM
ITEM
SPECIFICAT ION S
Spark plug NGK CR8EH,9 (Standard)
I
CR9EH,9 (Fo r hig h speed running)
OENSO U24FER9 (Standard ) / U27FER9 (For high run ni ng)
Spark plug gap 0.8 - 0.9 mm (0.03 - 0.04 in)
Ignitio n coil peak vo ltage 100
V mi nimum
Ignit ion pulse generator peak vo ltage 0.7 V
minimum
Ignition timi ng ("F" mark)
8' BTOC at id le
1-10