Spec Sheet
The information below is specific to the Honda - 650 CB 650 SC Nighthawk SOHC, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Honda - CB 650 SC Nighthawk SOHC 81
Bike Info
CC:
650
Service
Chain Freeplay mm:
15-25
Engine Oil Classification API:
SE
Engine Oil Grade SAE:
10W/40
Engine Oil quantity (litres):
3.5 litres
Engine Oil quantity with filter (litres):
3.5
Float Height:
12.5mm
Fork oil grade:
honda fork oil
Idle Speed (rpm):
1050 ± 100
Points Gap mm:
.024-.028
Spark Plugs Gap (mm):
0.6 ~ 0.7
Tyre Pressure Back Bar / psi:
40
Tyre Pressure Front Bar / psi:
28
Valve Clearance Cold - Exhaust:
0.08 mm (0.003 in)
Valve Clearance Cold - Inlet:
0.05 mm (0.002 in)
Brakes
Front:
Twin Disc
Rear:
Drum
Brake fluid:
SAE-J1703
Front-Pistons-per-caliper:
twin-hydraulic discs with dual capilers
Dimensions
Dry Weight:
205 kg
Fuel Capacity:
13.5 litres
Length:
2,270mm
Seat Height:
785mm
Wheelbase:
1510 mm
Width:
780mm
Electrics
Voltage:
12v
Battery:
12 volt 12AH
Bulb-Headlight:
60/55 watt
Charging System:
crankshaft alternator with regulator.
Ignition:
CDI
Spark Plugs:
NGK DR8ES-L or HGK-D8EA
Spark Plugs (Iridium):
NGK DR8EIX
Engine
Type:
Air Cooled 4 Stroke SOHC Straight Four
Bore x Stroke:
59.8 x 55.8 mm
Carburation:
4 x 26 c/v keihin
Compression Ratio:
9.0:1
Displacement:
626 cc
Firing Order:
1-2-4-3
Lubrication System:
wet-sump
Red line RPM:
9,500 rpm
Transmission
Chain Number of Links:
106
Chain type:
530
Clutch Type:
Wet multi-plate
Final Drive:
Chain
Gearchange Pattern:
1 N 2 3 4 5
Gear Ratio 1st:
17.1:7
Gear Ratio 2nd:
11.8:1
Gear Ratio 3rd:
9.12:1
Gear Ratio 4th:
7.35:1
Gear Ratio 5th:
6.06:1
Sprocket front:
16
Sprocket rear:
38
Transmission:
5 Speed
Misc.
Colour Options:
Blue - Black - Silver
Exhaust:
4 into 4
Frame:
full cradle with twin down tubes
Motorcycle Style:
CRUISER
Place of Manufacture:
Japan
Power
Fuel Consumption:
51.5 mpg
Max Power Output:
44.2 hp @ 8500 rpm
Standing 1/4 mile:
13.29 sec / 157.7 km/h
Top Speed:
115 mph
Suspension
Front:
air-assisted drive-resistant forks
Rear:
swinging fork with needle roller bearings and spring pre-load adjustable shok obsorbers
Tyres
Front:
100/90-H19 Tubeless
Rear:
130/90-H16 Tubeless
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.