Honda - VFR 400 R3N (NC30) (Japan) 91-92

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Bike Info

CC:
400
Bike Description:
Japanese Market NC30 restricted to 180 kph. Speedo sends signal to CDI.
VFR 400 R3N (NC30) (Japan) Parts and accessories

Service

Front Fork Oil cc (right leg):
390
Front Fork Oil cc (left leg):
390
Fork oil grade:
10W
Valve Clearance Cold - Inlet:
0.12mm - 0.18mm
Valve Clearance Cold - Exhaust:
0.21mm - 0.27mm
Cooling System (litres):
2.1
Tyre Pressure Front Bar / psi:
2.25 / 33
Tyre Pressure Back Bar / psi:
2.25 / 33
Tyre Pressure Front - Pillion Bar / psi:
2.25 / 33
Tyre Pressure Back - Pillion Bar / psi:
2.5 / 36
Engine Oil Grade SAE:
10w/40
Engine Oil Classification API:
SF
Engine Oil quantity with filter (litres):
2.6
Engine Oil quantity (litres):
2.4
Idle Speed (rpm):
1300rpm ± 100rpm
Spark Plugs Gap (mm):
0.6 - 0.7
Float Height:
6.8mm

Brakes

Front:
Twin Disc
Front Disc Size:
296mm Semi Floating
Front-Pistons-per-caliper:
4
Rear:
Disc
Rear Disc Size:
220
Rear-Pistons-per-caliper:
2
Brake fluid:
DOT4

Dimensions

Length:
1.985m (78.1 in.)
Width:
705mm (27.8 in.)
Height:
1.075m (42.3in.)
Wheelbase:
1.345m (53.0 in.)
Ground Clearance:
125mm (4.9 in.)
Fuel Capacity:
15 litres
Reserve Fuel Capacity:
2 litres

Electrics

Voltage:
12v
Main Fuse:
30amp
Ignition:
Digitalized full transistor ignition
Charging System:
350watt triple phase generator
Spark Plugs:
NGK ER9EH or ND Y27FER
Bulb-Headlight:
35w/60w
Battery:
12v (6AH) YTX7A-BS
Ignition Timing:
18-deg. BTDC @ 1,200rpm

Engine

Type:
Liquid Cooled 4 Stroke DOHC V Four
Bore x Stroke:
55mm x 42mm
Compression Ratio:
11.3:1
Displacement:
399 cc
No. of Valves:
16
Firing Order:
1-4-3-2
Valve Train:
Gear driven DOHC; 4 valves per cylinder
Lubrication System:
Forced Pressure, Wet Sump
Starting:
Electric
Air Filtration:
Paper Element
Carburation:
Kehin 32mm CV Carb x 4
Carburation Main Jet:
Front 122 Rear 120
Carburation Idle Jet:
35
Fuel Minimum Octane Rating:
89
Pilot Screw Setting:
2 turns out.
Red line RPM:
14,500rpm

Transmission

Gear Ratio 1st:
2.928 (14/41)
Gear Ratio 2nd:
2.166 (18/39)
Gear Ratio 3rd:
1.800 (20/36)
Gear Ratio 4th:
1.591 (22/35)
Gear Ratio 5th:
1.435 (23/33)
Gear Ratio 6th:
1.318 (22/29)
Clutch Type:
Wet Multi-Plate
Sprocket front:
14
Sprocket rear:
40
Chain type:
525
Chain Number of Links:
104
Gearchange Pattern:
1 N 2 3 4 5 6

Misc.

Motorcycle Style:
Sports
Fuel Control:
Vaccum Operated Tap
Exhaust:
Single Can, Left Hand Side
Frame:
Twin Spar Aluminium
Swing Arm:
single sided pro arm
Place of Manufacture:
Japan

Tyres

Front:
120/60-17 Tubeless
Rear:
150/60-18 Tubeless