| Scheda tecnica CB750F3 |
| Dimensions |
Standard |
Metric |
|
Overall length
|
87.0 in.
|
2,210 mm
|
|
|
Overall width
|
33.9 in.
|
860 mm
|
|
|
Overall height
|
46.7 in.
|
1,185 mm
|
|
|
Wheel base
|
58.3 in.
|
1,480 mm
|
|
|
Seat height
|
32.7 in.
|
830 mm
|
|
|
Foot peg height
|
12.8 in.
|
325 mm
|
|
|
Ground Clearance
|
5.3 in.
|
135 mm
|
|
|
Dry weight
|
512 lb
|
232.5 kg
|
|
|
Frame Type
|
Double cradle
|
|
|
|
F. Suspension, travel
|
5.6 in.
|
141.5 mm
|
telescopic fork
|
|
R. Suspension, travel
|
3.4 in.
|
86.3 mm
|
Swing arm
|
|
F. Tire size
|
3.25 H-19 (4 PR) Rib
|
|
|
|
F. Tire pressure; up to 200 lb (90kg) load
|
28 psi
|
2.0 kg/cm2
|
|
|
F. Tire pressure; up to vehicle capacity
load
|
32 psi
|
2.25 kg/cm2
|
|
|
R. Tire size
|
4.00 H-18 (4 PR) Rib
|
|
|
R. Tire pressure: up to 200 lb (90kg) load
|
28 psi
|
2.0 kg/cm2
|
|
|
R. Tire pressure; up to vehicle capacity
load
|
40 psi
|
2.8 kg/cm2
|
|
|
F. Brake
|
Disk brake
|
|
|
|
R. Brake
|
Disk brake
|
|
|
|
Fuel Capacity
|
4.8 US gal, 4.0 Imp. gal
|
18 liter
|
|
|
Fuel Reserve Capacity
|
1.2 US gal, 1.0 Imp. gal
|
4.5 liter
|
|
|
Caster Angle
|
62.5 °
|
|
|
|
Trail Length
|
4.47 in.
|
113.5 mm
|
|
|
Front Fork oil capacity
|
5.3 ~ 5.4 oz
|
145 ~ 155 cc
|
|
|
Engine
|
|
Type
|
Air-cooled, 4-stroke, OHC
engine
|
|
|
Cylinder Arrangement
|
4-cylinder in line
|
|
|
Bore and Stroke
|
2.402 x 2.480 in.
|
61 x 63 mm
|
|
|
Displacement
|
44.91 cu in
|
736 cc
|
|
|
Compression Ratio
|
9.0 : 1
|
|
|
|
Carburetor, Venturi Dia
|
1.102 in.
|
28 mm
|
four, piston valve type
|
|
Valve train
|
Chain driven overhead
camshaft
|
|
|
Oil Capacity
|
3.7 US qt, 3.1 Imp. gal
|
3.5 liter
|
|
|
Lubrication System
|
Forced pressure and dry sump
|
|
|
Fuel required
|
low-lead gasoline with 91
research octane, or 86 pump octane, or higher
|
|
Air filtration
|
paper element
|
|
|
|
Intake valve: open
|
5 ° BTDC
|
|
|
|
Intake valve: close
|
40 ° ATDC
|
|
|
|
Exhaust valve: open
|
40 ° BBDC
|
|
|
|
Exhaust valve: close
|
5 ° ATDC
|
|
|
|
Valve Tappet Clearance
|
In: 0.002 in., Ex: 0.003 in.
|
In:0.05 mm, Ex:0.08 mm
|
|
|
Pilot screw opening
|
fixed by idle limiter (1 ±
3/4 turn)
|
|
|
Idle speed
|
1000 rpm
|
|
|
|
Main jet
|
#105
|
|
|
|
Idle jet
|
#35
|
|
|
|
Air screw setting
|
1 3/4 turns
|
|
|
|
Float height
|
0.571 in.
|
14.5 mm
|
|
|
Drive Train
|
|
Clutch
|
Wet, multi-plate
|
|
|
|
Transmission
|
5-speed, constant mesh
|
|
|
Primary Reduction
|
1.986
|
|
|
|
Gear Ratio I
|
2.500
|
|
|
|
Gear Ratio II
|
1.708
|
|
|
|
Gear Ratio III
|
1.333
|
|
|
|
Gear Ratio IV
|
1.133
|
|
|
|
Gear Ratio V
|
0.969
|
|
|
|
Final Reduction
|
3.071
|
|
|
|
Gear shift pattern
|
left foot return type
|
|
|
|
Electrical
|
|
Ignition
|
Battery and ignition coil
|
|
|
Ignition advance: "F" mark
|
10 ° BTDC |
|
|
Ignition advance: Max advance
|
35 ° |
|
|
Ignition advance: RPM from
"F" to Max advance
|
1,200 - 2,500 RPM |
|
Dwell angle
|
190 ° ± 5 °
|
|
|
|
Starting system
|
Electrical motor or kick
pedal
|
|
|
Alternator
|
Three phase A.C. 12
V-0.21kW@5,000 rpm
|
|
Battery Capacity
|
12V - 14 amp hour
|
|
|
|
Fuse capacity: Main
|
15 amp
|
|
|
|
Fuse capacity: Head
|
7 amp
|
|
|
|
Fuse capacity: Tail
|
5 amp
|
|
|
|
Spark plug
|
NGK D8EA, NDX 24ES-U (USA
model), NGK DR8ES-L, NDX 24ESR-U (Canadian model)
|
|
Condenser capacity
|
0.22 - 0.26 uF
|
|
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