Suzuki - GN 125 02

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Bike Info

CC:
125
Chassis info:
Located on the left side of the crankcase
GN 125 Parts and accessories

Service

Coolant:
air-cooled
Engine Oil Classification API:
API SF or SG with JASO MA
Engine Oil Grade SAE:
10W/40
Engine Oil quantity (litres):
850ml
Engine Oil quantity with filter (litres):
950ml
Fork oil grade:
10w
Front Fork Oil cc (left leg):
168 ± 3ml
Front Fork Oil cc (right leg):
168 ± 3ml
Idle Speed (rpm):
1500 ± 100 r/min
Spark Plugs Gap (mm):
0.7 - 0.8 mm
Tyre Pressure Back Bar / psi:
2.00 / 29.01
Tyre Pressure Back - Pillion Bar / psi:
2.25 / 32,63
Tyre Pressure Front Bar / psi:
1.75 / 25.38
Tyre Pressure Front - Pillion Bar / psi:
1.75 / 25.38
Valve Adjustment Interval:
Inspect initial 1000 km and every 5000 km
Valve Clearance Cold - Exhaust:
0.13 - 0.18 mm
Valve Clearance Cold - Inlet:
0.04 - 0.07 mm

Brakes

Front:
Disc
Rear:
Drum
Brake fluid:
Dot 4
Front Disc Size:
3.8mm - 4.2mm
Front Drum Size:
3.0mm limit
Front-Pistons-per-caliper:
1
Rear Drum Size:
130.7mm limit

Dimensions

Dry Weight:
105 kg
Fuel Capacity:
10L Total
Ground Clearance:
175 mm
Height:
1 100 mm
Length:
2 000 mm
Reserve Fuel Capacity:
2L
Trail:
105 mm
Wet Weight:
113 kg
Wheelbase:
1 300 mm
Width:
815 mm

Electrics

Voltage:
12v
Battery:
12N7-4A
Bulb-Headlight:
12V, 35W/35W
Headlight Fuse:
Not covered
Ignition:
CDI
Ignition Timing:
13° B.T.D.C below 2000 r/min
Main Fuse:
15A
Spark Plugs:
NGK CR8E
Tail Light Fuse:
Not covered

Engine

Type:
Air Cooled 4 Stroke SOHC Single
Air Filtration:
oiled foam
Bore x Stroke:
57 x 48.8 mm
Carburation:
MIKUNI BS26
Carburation Idle Jet:
# 12.5
Carburation Main Jet:
# 110
Compression Ratio:
9.2 : 1
Displacement:
124 cc
Lubrication System:
Wet sump
No. of Valves:
2
Pilot Screw Setting:
Pre set: 2,5/8 turns
Red line RPM:
10000
Starting:
Electric

Transmission

Chain Number of Links:
116
Chain type:
KMC428HG
Clutch Type:
Wet multi-plate
Gear Ratio 1st:
3.00
Gear Ratio 2nd:
1.857
Gear Ratio 3rd:
1.368
Gear Ratio 4th:
1.143
Gear Ratio 5th:
0.957
Primary Drive Ratio:
3.470
Sprocket front:
14
Sprocket rear:
43

Misc.

Frame:
steel down tube
Motorcycle Style:
CRUISER

Suspension

Front:
Telescopic, coil spring, oil damped
Rear:
Swingarm type, 5 level adjustable coil spring oil damped

Tyres

Front:
2.75-18 (42P) Tubed
Rear:
3.50-16 (55P) Tubed