Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item Chassis

Maintenance Specification (Chassis)

Chassis

Frame type Double cradle

Caster angle 26.00 ゜

Trail 101 mm

Front wheel

Wheel type Cast wheel

Rim size 16 x MT2.50

Rim material Aluminum

Wheel travel 140.0 mm

Radial wheel runout limit 1.0 mm

Lateral wheel runout limit 0.5 mm

Wheel axle bending limit 0.25 mm

Rear wheel

Wheel type Cast wheel

Rim size 18 x MT2.75

Rim material Aluminum

Wheel travel 102.0 mm

Radial wheel runout limit 1.0 mm

Lateral wheel runout limit 0.5 mm

Wheel axle bending limit 0.25 mm

Front tire

Type Tubeless

Size 100/90-16 54H

Manufacturer/model DUNLOP/K125

Manufacturer/model YOKOHAMA/F202

Rear tire

Type Tubeless

Size 120/80-18 62H

Manufacturer/model DUNLOP/K225

Manufacturer/model YOKOHAMA/R202

Tire air pressure (measured on cold tires)

Front 175 kPa

Rear 200 kPa

Front 200 kPa

Rear 225 kPa

Front brake

Type Dual disc brake

Operation Right hand operation

Front brake lever free play 5.0-8.0 mm

Front disc brake

Disc outside diameter × thickness 267.0 x 5.0 mm

Brake disc deflection limit 0.50 mm

Brake pad lining thickness (inner) 5.5 mm

Limit 0.5 mm

Brake pad lining thickness (outer) 5.5 mm

Limit 0.5 mm

Master cylinder inside diameter 15.80 mm

Caliper cylinder inside diameter 42.80 mm

Specified brake fluid DOT 3

Rear brake

Type Single disc brake

Operation Right foot operation

Brake pedal position 40.0 mm

Brake pedal free play 13.0-15.0 mm

Rear disc brake

Disc outside diameter × thickness 245.0 x 5.0 mm

Brake disc deflection limit 0.50 mm

Brake pad lining thickness (inner) 5.5 mm

Limit 0.5 mm

Brake pad lining thickness (outer) 5.5 mm

Limit 0.5 mm

Master cylinder inside diameter 14.0 mm

Caliper cylinder inside diameter 38.10 mm

Specified brake fluid DOT 3

Steering

Steering bearing type Ball bearing

Center to lock angle (left) 30.0 ゜

Center to lock angle (right) 30.0 ゜

No./size of steel balls

(Upper) 19 pcs/0.250 in

(Lower) 19 pcs/0.250 in

Front suspension

Type Telescopic fork

Spring/shock absorber type Coil-air spring/oil damper

Front fork travel 140.0 mm

Fork spring free length 517.5 mm

Limit 507.0 mm

Spring rate K1 3.50 N/mm

Spring rate K2 5.10 N/mm

Spring stroke K1 0.0-95.0 mm

Spring stroke K2 95.0-140.0 mm

Optional spring available No

Recommended oil Fork oil 10W or equivalent

Quantity 315.0 cm3

Level 117.0 mm

Enclosed gas/air pressure (STD) 40.0 kPa

Inner tube outer diameter 36.0 mm

Inner tube bending limit 0.2 mm

Rear suspension

Type Swingarm (link suspension)

Spring/shock absorber type Coil spring/gas-oil damper

Rear shock absorber assembly travel 40.0 mm

Spring free length 186.0 mm

Installed length 168.0 mm

Spring rate K1 98.10 N/mm

Spring stroke K1 0.0-40.0 mm

Optional spring available No

Enclosed gas/air pressure (STD) 1200 kPa

Swingarm

Swingarm end free play limit (radial) 1.0 mm

Swingarm end free play limit (axial) 1.0 mm

Drive chain

Type/manufacturer 520V-SR/DAIDO

Number of links 104

Drive chain slack 20.0-30.0 mm

Maximum ten-link section 150.1 mm

Drive belt

Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item General Specifications

General Specification

Dimensions

Overall length 2025 mm

Overall width 690 mm

Overall height 1145 mm

Seat height 785 mm

Wheelbase 1385 mm

Ground clearance 145 mm

Minimum turning radius 3200 mm

Weight

Curb weight 188 kg

Performance

Climbing ability 28.0 ゜

Braking distance 14.0 m/50.0 km/h

Maximum horse power 43.40 kW@12000 r/min

Maximum torque 36.30 Nm@10000 r/min

Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item Engine

Maintenance Specification (Engine)

Engine

Engine type Liquid cooled 4-stroke, DOHC

Displacement 399 cm3

Cylinder arrangement Inline 4-cylinder

Bore × stroke 54.0 x 43.6 mm

Compression ratio 11.50 : 1

Standard compression pressure (at sea level) 950 kPa/400 r/min

Lubrication system Wet sump

Starting system Electric starter

Fuel

Recommended fuel Regular unleaded gasoline

Fuel tank capacity 18.0 L

Fuel reserve amount 3.0 L

Engine oil quantity

Periodic oil change 2.20 L

With oil filter replacement 2.50 L

Total amount 2.90 L

Oil pump

Oil filter type Paper

Oil pump type Trochoid

Inner-rotor-to-outer-rotor-tip clearance 0.030-0.090 mm

Limit 0.15 mm

Outer-rotor-to-oil-pump-housing clearance 0.09-0.15 mm

Limit 0.20 mm

Oil-pump-housing-to-inner-and-outer-rotor clearance 0.03-0.08 mm

Limit 0.15 mm

Bypass valve opening pressure 80.0-120.0 kPa

Relief valve operating pressure 450.0-550.0 kPa

Oil pressure 80.0 kPa/1200 r/min

Cooling system

Radiator capacity (including all routes) 2.30 L

Radiator capacity 0.64 L

Coolant reservoir capacity (up to the maximum level

mark) 0.60 L

Radiator cap opening pressure 75.0-105.0 kPa

Radiator core

Width 160.0 mm

Height 325.0 mm

Depth 32.0 mm

Water pump

Water pump type Single suction centrifugal pump

Reduction ratio 22/21 x 27/14 (2.020)

Thermostat

Model/manufacturer 46X/NIPPON THERMOSTAT

Valve opening temperature 80.0-84.0 ゜C

Valve full open temperature 95.0 ゜C

Valve lift (full open) 8.0 mm

Spark plug(s)

Manufacturer/model NGK/D8EA

Manufacturer/model DENSO/X24ES-U

Spark plug gap 0.6-0.7 mm

Cylinder head

Combustion chamber volume 8.10-8.70 cm3

Warpage limit 0.05 mm

Camshaft

Drive system Chain drive (center)

Camshaft cap inside diameter 23.000-23.021 mm

Camshaft journal diameter 22.967-22.980 mm

Camshaft-journal-to-camshaft-cap clearance 0.020-0.054 mm

Limit 0.160 mm

Camshaft lobe dimensions

Intake A 33.284-33.384 mm

Limit 33.234 mm

Intake B 28.155-28.255 mm

Limit 28.105 mm

Exhaust A 32.990-33.090 mm

Limit 32.940 mm

Exhaust B 28.185-28.285 mm

Limit 28.135 mm

Camshaft runout limit 0.050 mm

Timing chain

Model/number of links SILENT-CHAIN/136

Tensioning system Automatic

Rocker arm/rocker arm shaft

Rocker arm inside diameter 12.000-12.018 mm

Rocker arm shaft outside diameter 11.976-11.991 mm

Rocker-arm-to-rocker-arm-shaft clearance 0.009-0.042 mm

Valve clearance (cold)

Intake 0.13-0.17 mm

Exhaust 0.23-0.27 mm

Valve dimensions

Valve head diameter (intake) 20.90-21.10 mm

Valve head diameter (exhaust) 17.90-18.10 mm

Valve face width (intake) 1.840 mm

Valve face width (exhaust) 1.840 mm

Valve seat width (intake) 0.90-1.10 mm

Valve seat width (exhaust) 0.90-1.10 mm

Valve margin thickness (intake) 0.70 mm

Valve margin thickness (exhaust) 0.70 mm

Valve stem diameter (intake) 4.975-4.990 mm

Limit 4.945 mm

Valve stem diameter (exhaust) 4.960-4.975 mm

Limit 4.920 mm

Valve guide inside diameter (intake) 5.000-5.012 mm

Limit 5.045 mm

Valve guide inside diameter (exhaust) 5.000-5.012 mm

Limit 5.020 mm

Valve-stem-to-valve-guide clearance (intake) 0.010-0.037 mm

Valve-stem-to-valve-guide clearance (exhaust) 0.025-0.052 mm

Valve stem runout 0.030 mm

Inner spring

Free length (intake) 32.62 mm

Limit 28.50 mm

Free length (exhaust) 32.62 mm

Limit 28.50 mm

Installed length (intake) 27.69 mm

Installed length (exhaust) 27.69 mm

Installed compression spring force (intake) 50.30-55.60 N

Installed compression spring force (exhaust) 50.30-55.60 N

Spring tilt (intake) 1.4 mm

Spring tilt (exhaust) 1.4 mm

Winding direction (intake) Counter clockwise

Winding direction (exhaust) Counter clockwise

Outer spring

Free length (intake) 38.02 mm

Limit 33.00 mm

Free length (exhaust) 38.02 mm

Limit 33.00 mm

Installed length (intake) 30.09 mm

Installed length (exhaust) 30.09 mm

Installed compression spring force (intake) 107.10-118.50 N

Installed compression spring force (exhaust) 107.10-118.50 N

Spring tilt (intake) 1.7 mm

Spring tilt (exhaust) 1.7 mm

Winding direction (intake) Clockwise

Winding direction (exhaust) Clockwise

Cylinder

Bore 54.000-54.005 mm

Wear limit 54.100 mm

Warp limit 0.10 mm

Piston

Piston-to-cylinder clearance 0.040-0.060 mm

Diameter D 53.945-53.960 mm

Height H 7.0 mm

Piston pin bore inside diameter 15.002-15.013 mm

Limit 15.030 mm

Offset 0.50 mm

Offset direction Intake side

Piston pin outside diameter 14.995-15.000 mm

Limit 14.975 mm

Top ring

Ring type Barrel

Dimensions (B × T) 0.80 x 2.10 mm

End gap (installed) 0.15-0.30 mm

Limit 0.70 mm

Ring side clearance 0.030-0.070 mm

Limit 0.150 mm

2nd ring

Ring type Taper

Dimensions (B × T) 1.00 x 2.10 mm

End gap (installed) 0.15-0.30 mm

Limit 0.70 mm

Ring side clearance 0.020-0.060 mm

Limit 0.150 mm

Oil ring

Dimensions (B × T) 2.50 x 2.80 mm

End gap (installed) 0.20-0.70 mm

Connecting rod

Oil clearance 0.016-0.040 mm

Crankshaft

Width B 310.80-312.00 mm

Runout limit C 0.030 mm

Big end side clearance D 0.160-0.262 mm

Big end radial clearance E 0.016-0.040 mm

Journal oil clearance 0.040-0.064 mm

Clutch

Clutch type Wet, multiple-disc

Clutch release method Outer pull, rack and pinion pull

Clutch lever free play 10.0-15.0 mm

Friction plate thickness 2.90-3.10 mm

Wear limit 2.70 mm

Plate quantity 8 pcs

Clutch plate thickness 1.60 mm

Plate quantity 7 pcs

Warpage limit 0.15 mm

Clutch spring free length 41.20 mm

Spring quantity 5 pcs

Limit 39.20 mm

Transmission

Transmission type Constant mesh 6-speed

Primary reduction ratio 22/21 x 68/25 (2.849)

Secondary reduction ratio 46/16 (2.875)

Final drive Chain

Operation Left foot operation

Gear ratio

1st 41/15 (2.733)

2nd 37/19 (1.947)

3rd 34/22 (1.545)

4th 31/25 (1.240)

5th 29/27 (1.074)

6th 27/29 (0.931)

Main axle runout limit 0.08 mm

Drive axle runout limit 0.08 mm

Shifting mechanism

Shift mechanism type Guide bar

Air filter

Air filter element Dry element

Carburetor

Type × quantity BS30 x 4

Manufacturer MIKUNI

ID mark 46X 00

Main jet #100

Main air jet #150

Jet needle 4CL14-3

Needle jet O-2

Pilot air jet 1 #185

Pilot outlet 0.9

Pilot jet #35

Bypass 1 0.8

Bypass 2 0.8

Bypass 3 0.8

Pilot screw turns out 2.0

Valve seat size 2.0

Starter jet 1 #20

Starter jet 2 0.5

Float height 21.0-23.0 mm

Fuel level A (using fuel level gauge) 3.0-5.0 mm

Throttle grip free play 3.0-7.0 mm

Idling condition

Engine idling speed 1200-1300 r/min

CO% 3.5-4.5 %

Intake vacuum 16.0 kPa

Water temperature 75.0-85.0 ゜C

Oil temperature 60.0-70.0 ゜C

Shaft drive

Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item Electrical

Maintenance Specification (Electrical)

System voltage 12 V

Ignition system

Ignition system TCI

Ignition timing (B.T.D.C.) 15.0 ゜/1200 r/min

Advancer type Electrical

TCI

Pickup coil resistance 120 Ω±10 %

TCI unit model/manufacturer TID14-20/HITACHI

Ignition coil

Model/manufacturer CM12-23/HITACHI

Primary coil resistance 2.70 Ω±10 %

Secondary coil resistance 12.0 kΩ±20 %

Spark plug cap

Material Resin

Resistance 10.0 kΩ

AC generator

Model/manufacturer LD117-15/HITACHI

Standard output 14.0 V, 20.0 A@5000 r/min

Field coil resistance 3.00 Ω±10 %

Armature coil resistance 0.55 Ω±10 %

Brush overall length 17.0 mm

Limit 10.0 mm

Brush spring pressure 1.86-3.53 N

Rectifier/regulator

Regulator type Semi conductor-short circuit

Model/manufacturer SH233-12/SHINDENGEN

No load regulated voltage 14.0-15.0 V

Rectifier

Rectifier capacity 15.0 A

Withstand voltage 300.0 V

Battery

Model 12N12A-4A

Voltage, capacity 12 V, 12.0 Ah

Specific gravity 1.280

Headlight

Bulb type Halogen bulb

Bulb voltage, wattage × quantity

Headlight 12 V, 35 W/35.0 W x 2

Auxiliary light 12 V3.4 W x 2 pcs

Tail/brake light 12 V8 W/27.0 W x 2 pcs

Flasher light 12 V27.0 W x 4 pcs

Meter lighting 12 V3.4 W x 5 pcs

Indicator light

Neutral indicator light 12 V3.4 W x 1 pcs

Turn indicator light 12 V3.4 W x 1 pcs

Oil level indicator light 12 V3.4 W x 1 pcs

High beam indicator light 12 V3.4 W x 1 pcs

Speed warning indicator light 12 V3.4 W x 1 pcs

Electric starting system

System type Constant mesh

Starter motor

Model/manufacturer SM-7256/MITSUBA

Power output 0.40 kW

Armature coil resistance 0.0140 Ω±10 %

Brush overall length 10.5 mm

Limit 5.00 mm

Brush spring force 3.92-5.88 N

Commutator diameter 23.0 mm

Limit 22.0 mm

Mica undercut (depth) 1.80 mm

Starter relay

Model/manufacturer A104-128/HITACHI

Amperage 100.0 A

Horn

Horn type Plane

Quantity 1

Model/manufacturer YF-12/NIKKO

Maximum amperage 2.5 A

Turn signal relay

Relay type Condenser

Model/manufacturer FZ257SD/DENSO

Built-in, self-canceling device No

Turn signal blinking frequency 75-95 cycles/min

Wattage 27 W x 2.0 +3.4 W

Oil level gauge

Model/manufacturer 4U8/DENSO

Starting circuit cut-off relay

Model/manufacturer 25G/OMRON

Coil resistance 75 Ω±10 %

Thermostat switch

Model/manufacturer 47X/NIPPON THERMOSTAT

Thermo unit

Model/manufacturer 46X/NIPPON SEIKI

Fuses

Main fuse 30.0 A

Headlight fuse 20.0 A

Signaling system fuse 10.0 A

Ignition fuse 10.0 A

Radiator fan fuse 7.0 A

Spare fuse 30.0 A

Spare fuse 20.0 A

Spare fuse 10.0 A

Spare fuse 7.0 A

Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item Periodic maintenance

Periodic maintenance

Engine

Displacement 399 cm3

Bore × stroke 54.0 x 43.6 mm

Compression ratio 11.50 : 1

Standard compression pressure (at sea level) 950 kPa/400 r/min

Valve clearance (cold)

Intake 0.13-0.17 mm

Exhaust 0.23-0.27 mm

Piston

Piston-to-cylinder clearance 0.040-0.060 mm

Top ring

End gap (installed) 0.15-0.30 mm

2nd ring

End gap (installed) 0.15-0.30 mm

Carburetor

Type × quantity BS30 x 4

Manufacturer MIKUNI

ID mark 46X 00

Main jet #100

Jet needle 4CL14-3

Pilot jet #35

Pilot screw turns out 2.0

Float height 21.0-23.0 mm

Fuel level A (using fuel level gauge) 3.0-5.0 mm

Idling condition

Engine idling speed 1200-1300 r/min

Engine oil quantity

Periodic oil change 2.20 L

With oil filter replacement 2.50 L

Transmission

Final drive Chain

Secondary reduction ratio 46/16 (2.875)

Drive chain

Type/manufacturer 520V-SR/DAIDO

Number of links 104

Front tire

Size 100/90-16 54H

Front 175 kPa

Rear tire

Size 120/80-18 62H

Rear 200 kPa

Fuel

Fuel tank capacity 18.0 L

Front suspension

Quantity 315.0 cm3

Recommended oil Fork oil 10W or equivalent

Battery

Voltage, capacity 12 V, 12.0 Ah

Model 12N12A-4A

TCI

Pickup coil resistance 120 Ω±10 %

Ignition coil

Primary coil resistance 2.70 Ω±10 %

Secondary coil resistance 12.0 kΩ±20 %

Spark plug(s)

Manufacturer/model NGK/D8EA

Manufacturer/model DENSO/X24ES-U

Spark plug gap 0.6-0.7 mm

Ignition system

Ignition timing (B.T.D.C.) 15.0 ゜/1200 r/min

Motorcycle - Specifications

Model Name FZ400R Model Code 46X0

Model Year 1985 Destination JAPAN

Section/Item Pattern 1

General Specification

Dimensions

Wheelbase 1385 mm

Weight

Dry (without oil and fuel) 165.0 kg

Performance

Braking distance 14.0 m/50.0 km/h

Maximum horse power 43.40 kW@12000 r/min

Maintenance Specification (Engine)

Spark plug(s)

Manufacturer/model NGK/D8EA

Manufacturer/model DENSO/X24ES-U

Maintenance Specification (Chassis)

Chassis

Frame type Double cradle