Spec Sheet
The information below is specific to the Honda - 400 CB 400 SF %28F3S%29 Superfour VersionR %28Japan%29 NC31, 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.Bike Info
CC:
400
Bike Description:
This is the Cafe racer "Version R" one with the Cowling fairing and two piece exhaust. Aftermarket CBR400RR Gull Arm end cans are interchangeable! The headlight bulb is a special one, slighly different to an H4 and cost the earth to replace (£45) from Japan. Luckily an H4 will fit with minor modification to the bulb, light pattern is a bit odd. Sprocket teech are 15 front, 45 back and 112 links compared to a standard NC31 of 15,42 110 links.
Chassis info:
nc31
Service
Engine Oil Grade SAE:
10/40w
Fork oil grade:
10w
Front Fork Oil cc (left leg):
499cc (112mm from top, no springs)
Front Fork Oil cc (right leg):
499cc (112mm from top, no springs)
Tyre Pressure Back Bar / psi:
32psi
Tyre Pressure Front Bar / psi:
28psi
Brakes
Front:
Twin Disc
Rear:
Disc
Front Disc Size:
298mm
Front-Pistons-per-caliper:
Twin Piston Calipers
Rear Disc Size:
220mm
Dimensions
Dry Weight:
173Kg. / 381 lbs
Fuel Capacity:
15 Litres
Ground Clearance:
130 mm
Height:
1070 mm
Length:
2050 mm
Reserve Fuel Capacity:
2 Litres
Seat Height:
760 mm
Wet Weight:
188Kg / 414.5 lbs
Wheelbase:
1415 mm
Width:
725 mm
Electrics
Voltage:
12v
Bulb-Headlight:
70/80w FF ("Future Focus" but H4 will fit, cut one tab)
Spark Plugs:
NGK CR8EH-9
Engine
Type:
Liquid Cooled 4 Stroke DOHC Straight Four
Bore x Stroke:
55 x 42 mm
Displacement:
399 cc
No. of Valves:
16
Transmission
Chain Number of Links:
112
Chain type:
525
Final Drive:
Chain
Sprocket front:
15
Sprocket rear:
45
Misc.
Exhaust:
4 into 1 with 3 bolt-on silencer can
Frame:
Tubular steel cradle frame(NC31)
Motorcycle Style:
ROADSTER
Place of Manufacture:
Japan
Power
Fuel Consumption:
45-55mpg
Max Power Output:
53 BHP / 11500rpm
Max Torque:
30ft.lb. (4kgm) @ 9500 rpm
Standing 1/4 mile:
(0-60mph 5.9 seconds)
Top Speed:
105 mph (restrictor fitted)
Suspension
Front:
41mm telescopic forks
Rear:
win ShTwin Showa remote reservoir shocks with 5 step preload adjustment
Tyres
Front:
110/70-17 Tubeless
Rear:
140/70-17 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.