Honda CB400 User Manual

107
Specifications
Specifications
■ Service Data
Tyre size
Front 120/60ZR17M/C (55W)
Rear 160/60ZR17M/C (69W)
Tyre type Radial, tubeless
Recommended
Tyres
Front
DUNLOP D204FL
BRIDGESTONE BT-50F
Rear
DUNLOP D204J
BRIDGESTONE BT-50R
Tyre air pressure
(Driver only)
Front 225 kPa (2.25 kgf/cm
2
, 33 psi)
Rear 250 kPa (2.50 kgf/cm
2
, 36 psi)
Tyre air pressure
(Driver and
passenger)
Front 250 kPa (2.50 kgf/cm
2
, 36 psi)
Rear 290 kPa (2.90 kgf/cm
2
, 42 psi)
Minimum tread
depth
Front 1.5 mm (0.06 in)
Rear 2.0 mm (0.08 in)
Spark plugs (standard)
CR8EH-9 (NGK) or
U24FER9 (DENSO)
Spark plug gap
0.80 to 0.90 mm (0.031 to
0.035 in)
Idle speed 1,400 ± 100 rpm
Recommended
engine oil
Honda 4-stroke motorcycle oil
API Service Classification SG or higher,
excluding oils marked as
“Energy Conserving,”
SAE 10W-30, JASO T 903 standard MA
Engine oil
capacity
After draining
3.0 litres (3.2 US qt,
2.6 Imp qt)
After draining &
engine oil filter
change
3.2 litres (3.4 US qt,
2.8 Imp qt)
After disassembly
3.8 litres (4.0 US qt,
3.3 Imp qt)
Recommended
brake fluid
Honda DOT 4 Brake Fluid
Cooling system
capacity
2.2 litres (2.3 US qt, 1.9 Imp qt)
Recommended
coolant
Pro Honda HP Coolant
32MFM630.indb 107 2010/12/14 15:44:45

Honda CB400 Specifications

General

Displacement	399cc
Compression Ratio	11.3:1
Transmission	6-speed
Fuel System	PGM-FI electronic fuel injection
Front Suspension	Telescopic fork
Seat Height	755 mm
Length	2, 080 mm
Width	725 mm
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-cylinder
Bore x Stroke	55.0mm x 42.0mm
Rear Suspension	Swingarm with dual shocks
Rear Brake	Hydraulic disc
Fuel Tank Capacity	18.0 L