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Suzuki DR125S model history
1982—1994

I have tried to tell the DR 125 S model history on this page as I know it. This page is still under construction. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.

The DR125S was presented as a 1982-year's model, suitable as an entry-level enduro bike. As for some other DR models, the DR125 available in different versions. At first, there were the pure trail version, DR125, with no license plate holder or mirrors, and the DR125S, a street-legal version of the same bike. In 1994 an electric starter was added, and the street legal version's name was changed to DR125SE.

Suzuki 1982More Suzuki models from 1982
1982 Suzuki year code: Z


New model. The DR125S was concidered as a teriffic all-round enduro bike for beginners in 1982. It was rather small and light compared to may of its contestors but its suspension was firm enough for even larger riders. It had a smooth and tough engine, not very powerful but the high quality of the clutch and the gearbox (six speeds) helped a lot. There didn't seem to be nothing wrong with the new four-stroker. Except for one thing; the rear light got broken easily — kicked by the owner when swinging his leg over the saddle...

About the engine performance; The Germans claim their model had only 10 hp (10 hp [7,4 kW]/ 9,500 rpm, 9,8 Nm/ 8,000 rpm) but the DR125S sold in Finland had three horsies more (see the figures below). The Japanese version had even more power (14 hp [10,3 kW]/ 10,000 rpm, 9,8 Nm/ 8,500 rpm). Still, all different versions seemed to gain the same maximum speed (slightly over 100 kph or 62 mph) so I wonder if there really was any differencies. Perhaps the power output was simply measured on a different way in different countries?

Initial frame number: SF41A-100001
Colors: Black, Red, Yellow, White

DR125 DR125S '82DR 125 S 1982
Overall Length: 2 095 mm (82.5 in.)
Overall Width:
Overall Height:
Seat Height: 820 mm (32.3 in.)
Wheelbase: 1 345 mm (53.0 in.)
Ground Clearance: 265 mm (10.4 in.)
Dry Weight: 102 kg (225 lb.)
Engine type: Air-cooled 124 cc 1-cylinder, SOHC, 2 valves. 13 hp (9,5 kW)/ 9,500 rpm, 10 Nm (1,0 kg-m)/ 8,000 rpm.


Click on the image for larger format.
Here's even larger picture.

1982 DR125SZ technical specifications (Finland)
Source: Tekniikan Maailma, Finland


Engine: Air-cooled 124cc single cylinder four-stroke, 2 valves.
Bore and Stroke: 57,0 x 48,8 mm
Compression Ratio: 9,5 :1
Fuel System: Mikuni 22 mm
Lubrication: Wet Sump
Ignition: PEI pointless CDI
Starter: Kick start
Battery: 6V 6Ah
Charging system: 6V 110W
Transmission: 6-speed
Clutch: Wet multiple plate
Geat Ratios: 3.00-1.86-1.37-1.09-0.91-0.80
Primary Ratio: 3.47
Final Ratio: 3.36
Final Drive: Chain
Frame: Steel tube
Overall Length: 2 095 mm (82.5 in.)
Overall Width: N/A
Overall Height: N/A
Seat Height: 820 mm (32.3 in.)
Wheelbase: 1 345 mm (53.0 in.)
Ground Clearance: 265 mm (10.4 in.)
Dry Weight: 102 kg (225 lb.)
Suspension Front: Telescopic, coil spring, oil damped, 32 mm (1.26 in) tube diameter
Suspension Rear: Full Floater, oil damped
Front suspension stroke: 180 mm (7.1 in.)
Rear suspension travel: 110 mm (4.3 in.)
Front brake: 130 mm (10.4 in.) drum
Rear brake: 130 mm (10.4 in.) drum
Front tyre: 2.75-21
Rear tyre: 4.10-18
Fuel Tank Capacity: 7,5 liter (2.0/1.6 US/UK gal.)



Suzuki 1983More Suzuki models from 1983
1983 Suzuki year code: D

Initial frame number: SF41A-108134
Suzuki DR125SDR 125 S 1983
Overall Length: 2 095 mm (82.5 in.)
Overall Width:
Overall Height:
Seat Height: 820 mm (32.3 in.)
Wheelbase: 1 345 mm (53.0 in.)
Ground Clearance: 265 mm (10.4 in.)
Dry Weight: 102 kg (225 lb.)
Engine type: Air-cooled 124 cc 1-cylinder, SOHC, 2 valves. 13 hp (9,5 kW)/ 9,500 rpm, 10 Nm (1,0 kg-m)/ 8,000 rpm.


Click on the image for larger format.


Suzuki 1984More Suzuki models from 1984
1984 Suzuki year code: E

Updated model.

Initial frame number: SF42A-100001
Suzuki DR125SDR 125 S 1984
Overall Length:
Overall Width:
Overall Height:
Seat Height: 800 mm (19.7 in)
Wheelbase: 1 340 mm (52.8 in)
Dry Weight: 111 kg (245 lbs)
Engine type: Air-cooled 124 cc 1-cylinder, SOHC, 2 valves. 10 hp (7,4 kW)/ 9,500 rpm, 9,8 Nm (1,0 kg-m)/ 8,000 rpm.


Click on the image for larger format.


Suzuki 1985More Suzuki models from 1985
1985 Suzuki year code: F


Updated model with improved suspension, enlarger air cleaner and new side branch exhaust that improved effiency, especielly in the mid-revs. New graphics. Gold wheel frames, color options were Yellow/Blue for the DR125 and Black/Blue for the DR125S.

Initial frame number: SF43A-100001
Suzuki DR125S -85DR 125 S 1985
Overall Length: 2,170 mm (85.4 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,190 mm (46.9 in)
Seat Height: 820 mm (32.2 in)
Wheelbase: 1,390 mm (54.7 in)
Dry Weight: 104 kg (229 lbs)
Engine type: Air-cooled 124 cc 1-cylinder, SOHC, 2 valves. 14 hp/ 10,000 rpm, 1,0 kg-m/ 8,500 rpm.


Click on the image for larger format.
Suzuki DR125 -85DR 125 1985
Overall Length: 2,130 mm (83.9 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,190 mm (46.9 in)
Seat Height: 820 mm (32.2 in)
Wheelbase: 1,390 mm (54.7 in)
Dry Weight: 97 kg (214 lbs)
Engine type: Air-cooled 124 cc 1-cylinder, SOHC, 2 valves. 14 hp/ 10,000 rpm, 1,0 kg-m/ 8,500 rpm.


Click on the image for larger format.


Suzuki 1990More Suzuki models from 1990
1990 Suzuki year code: L


Complete new model. The first you notice is the larger fuel tank, the seat that continued over the tank at the front end and the disc brake at the front. Only minor, mainly cosmetical, changes was made to the DR125S after 1990 until the model was replaced by the DR125SE in 1995.

Suzuki Egypt has still a picture on the 1990 DR125S on their web site (June 2004). I don't know if they still have unused bikes that were manufactured a decade and a half ago. I wouldn't trust the specs on their web site anyway. They claim that the bike has drum brakes front and rear.
Suzuki DR125SDR 125 S 1990
Overall Length: 2 150 mm (84.6 in)
Overall Width: 805 mm (31.7 in)
Overall Height: 1 125 mm (44.3 in)
Seat Height: 800 mm (31.5 in)
Ground Clearance: 240 mm (9.4 in)
Wheelbase: 1 385 mm (54.4 in)
Dry Weight: 105 kg (231 lbs)
Engine type: Air-cooled 124 cc single cylinder, OHC, STDCC, 2 valves. 14 hp/ 9,500 rpm, 1.1 kg-m/ 8,000 rpm. 6-speed.

1990-1995 DR125S technical specifications (Germany)
Source: Suzuki Motorräder seit 1970, Germany

Engine: Air-cooled 124cc single cylinder four-stroke, 2 valves.
Bore and Stroke: 57,0 x 48,8 mm
Fuel System: Mikuni 24 mm
Maximum Power: 12,3 hp (9,2 kW)/ 9,600 rpm
Maximum Torque: 10 Nm/ 7,500 rpm
Lubrication: Wet Sump
Transmission: 6-speed
Clutch: Wet multiple plate
Final Drive: Chain
Frame: Steel tube
Overall Length: N/A
Overall Width: N/A
Overall Height: N/A
Seat Height: N/A
Wheelbase: 1 390 mm (54.7 in.)
Ground Clearance: 265 mm (10.4 in.)
Weight: 119 kg (262 lb.)
Suspension Front: Telescopic, coil spring, oil damped
Suspension Rear: Full Floater, oil damped
Front suspension stroke: 205 mm (8.1 in.)
Rear suspension travel: 200 mm (7.9 in.)
Front brake: 230 mm (9.1 in.) single disc
Rear brake: 130 mm (10.4 in.) drum
Front tyre: 80/80-21
Rear tyre: 100/80-18
Fuel Tank Capacity: 13 liter (3.4/2.9 US/UK gal.)


Suzuki 1991
More Suzuki models from 1991
1991 Suzuki year code: M


New graphics.

Colors: Blue, White, Black.

Suzuki DR125SDR 125 S 1991
Overall Length: 2 150 mm (84.6 in)
Overall Width: 805 mm (31.7 in)
Overall Height: 1 125 mm (44.3 in)
Seat Height: 800 mm (31.5 in)
Ground Clearance: 240 mm (9.4 in)
Wheelbase: 1 385 mm (54.4 in)
Dry Weight: 105 kg (231 lbs)
Engine type: Air-cooled 124 cc single cylinder, OHC, STDCC, 2 valves. 14 hp/ 9,500 rpm, 1.1 kg-m/ 8,000 rpm.

Click on the image for larger format.




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