Suzuki TS125

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1981 Suzuki TS125
1981 Suzuki TS 125.jpg
Manufacturer Suzuki Motor Co., Ltd.
Class dual-sport
Engine 123 cm³ (7.5 cu. in) 2-stroke cycle, air-cooled
Transmission 6-speed, constant mesh
Wheelbase 1,350 mm (53.1 in)
Dimensions L: 2,120 mm (83.5 in)
W: 800 mm (31.5 in)
H: 1,135 mm (44.7 in)
Weight 97.0 kg (214. lbs) (dry)
Fuel capacity 7.0 L (1.8/1.5 US/Imp gal)
Related Suzuki TS series

The 1981 Suzuki TS125 Dual Sport motorcycle is powered by a 123 cc 2-stroke cycle, air-cooled engine.

The TS125 was introduced for the Japanese home market in December 1970. It had 13 bhp, five speeds and high-drawn exhaust pipe. It also had a sister model, a trail version called TC-125 (Prospector in USA) with dual-range gearbox with eight speeds, luggage rack and higher mounted front mud guard that made the bike more suitable for terrain. The TC trail series were built from 90 to 250 cc but the whole model series was discontinued in the seventies.


Overall length: 2,120 mm (83.5 in.)
Overall width: 800 mm (31.5 in.)
Overall height: 1,135 mm (44.7 in)
Wheelbase: 1,350 mm (53.1 in.)
Ground clearance: 250 mm (9.8 in.)
Dry mass: 97 kg (214 lbs)

Type: 2-stroke cycle, air-cooled
Intake System: Piston and reed valve
Number of cylinder: 1
Bore: 56.0 mm (2.205 in.)
Stroke: 50.0 mm (1.969 in.)
Piston Displacement: 123 cm³ (7.5 cu. in.)
Corrected compression ratio: 6.6 : 1
Carburetor: VM24SH
Air cleaner: Polyurethane foam element
Starter system: Primary Kick
Lubrication system: SUZUKI "CCI"

Clutch: Wet multi-plate type
Transmission: 6-speed, constant mesh
Gearshift pattern: 1-down 5-up
Primary reduction: 3.562 (57/16)
Final reduction ratio: 3.066 (46/15)
Gear ratios, low: 3.090 (34/11)
2nd : 2.000 (30/15)
3rd : 1.368 (26/19)
4th : 1.095 (23/21)
5th : 0.956 (22/23)
Top : 0.840 (21/25)
Drive chain: DAIDO #428D, 116 links

Front suspension: Telescopic, oil damped
Rear suspension: Swinging arm, oil dampened, spring 5-way adjustable
Steering angle: 40° (right and left)
Caster: 60°00'
Trail: 147 mm (5.79 in.)
Turning radius: 2.4 m (7.9 ft)
Front brake: Internal Expanding
Rear brake: Internal Expanding
Front tire size: 2.75-21 4PR
Rear tire size: 4.10-18 4PR

Ignition timing: 20°B.T.D.C. at 6,000 r/min
Spark plug: NGK B8ES or NIPPON DENSO W24ES
Battery: 6V 14.4kC (4Ah) 10HR
Fuse: 10A
Headlight: 6V 30/30W
Tail/Brake light: 6V 5.3/25W
Turn signal light: 6V 17W
Speedometer light: 6V 3W
Neutral indicator light: 6V 3W
High beam indicator light: 6V 1.7W
Turn signal indicator light: 6V 3W

Fuel tank, including reserve: 7.0 L (1.8/1.5 US/lmp gal)
reserve : 1.5 L (1.6/1.3 US/lmp qt)
Engine oil: 1.2 L (1.3/1.1 US/lmp qt)
Transmission oil: 700 ml (1.5/1.2 US/lmp pt) [1]


  1. ^ Suzuki TS125 Owner's Manual, Suzuki Motor Co., Ltd. August, 1980