Suzuki - GS 400 C/EC/EN 78-79

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Bike Info

CC:
400
GS 400 C/EC/EN Parts and accessories

Service

Chain Freeplay mm:
15 - 20 mm
Engine Oil Classification API:
SE/SF
Engine Oil Grade SAE:
20W/50 or 10W40
Engine Oil quantity (litres):
2.1
Float Height:
26.3 +-1 mm
Fork oil grade:
50% ATF 50% 10W/30
Front Fork Oil cc (left leg):
160
Front Fork Oil cc (right leg):
160
Idle Speed (rpm):
1100-1300
Points Gap mm:
0.35 mm
Spark Plugs Gap (mm):
0.6-0.7
Tyre Pressure Back Bar / psi:
28 / 2.0
Tyre Pressure Back - Pillion Bar / psi:
25 / 1.75
Tyre Pressure Front Bar / psi:
25 / 1.75
Tyre Pressure Front - Pillion Bar / psi:
32 / 2.25
Valve Clearance Cold - Exhaust:
0.03-0.08 mm
Valve Clearance Cold - Inlet:
0.03-0.08 mm

Brakes

Front:
Disc
Rear:
Drum
Front Disc Size:
175 mm
Rear Drum Size:
185 mm

Dimensions

Dry Weight:
172 kg
Fuel Capacity:
14 litres
Ground Clearance:
170 mm
Height:
1110 mm
Length:
2 085 mm
Reserve Fuel Capacity:
1.5 litres
Seat Height:
790 mm
Wheelbase:
1 385 mm
Width:
840 mm

Electrics

Voltage:
12v
Battery:
YB10L-A2
Bulb-Headlight:
45/45W
Spark Plugs:
NGK B8ES

Engine

Type:
Air Cooled 4 Stroke DOHC Straight Twin
Bore x Stroke:
65.0 x 60.0 mm
Carburation:
Mikuni BS34 x 2
Carburation Main Jet:
112.5
Compression Ratio:
9,0 :1
Displacement:
398 cc
No. of Valves:
4
Pilot Screw Setting:
1.3
Red line RPM:
9000
Starting:
Electric and Kick

Transmission

Chain Number of Links:
104
Chain type:
#530
Clutch Type:
Wet Multiplate 6 steel 6 friction
Gearchange Pattern:
1n23456
Gear Ratio 1st:
2.461
Gear Ratio 2nd:
1.777
Gear Ratio 3rd:
1.380
Gear Ratio 4th:
1.125
Gear Ratio 5th:
0.961
Gear Ratio 6th:
0.851
Sprocket front:
14
Sprocket rear:
45
Transmission:
6 Speed Constant Mesh

Misc.

Frame:
Tubular Steel Double Cradle
Motorcycle Style:
ROADSTER

Power

Max Power Output:
36bhp@8500rpm

Tyres

Front:
300-18 Tubed
Rear:
350-18 Tubed