TD2

Manufacturer	Yamaha
Production	1969-1970
Predecessor	TD1C
Successor	TD2B
Class	250 cc
Engine	DS6 2-stroke, air-cooled, 2 parallel cylinders
Top speed	144 mph (232 km/h)
Power	44 hp (33 kW) @ 10000 rpm
Torque	22.9 lb·ft (31 N·m) @ 9500 rpm
Transmission	5-speed
Suspension	Dual Shock
Brakes	Front. Internal-expanding dual double leading shoe. Rear. Internal-expanding single leading shoe. Brake operations, both front and rear, cable-actuated
Tires	Front 2.75 x 18 Rear 3.00 x 18
Rake, Trail	27.5 Trail 90 mm
Wheelbase	1,315 mm
Dimensions	L 1,925 mm W 510 mm
Weight	105 kg (231 lb) (dry)
Fuel capacity	6 Gallons

Yamaha TD2 is an air-cooled road racing motorcycle made by Yamaha produced between 1969 and 1970.

Great Britain’s Rodney Gould won the 1970 250 cc World Championship on a TD2, with Australian, Kel Carruthers coming in second, also riding a TD2. Gould won six races in the 1970 Grand Prix Motorcycle season, clinching the title at the Nations Grand Prix, Monza.^[1]

Yamaha Factory racing had withdrawn from the championship over revised competition rules in 1969. “Privateer” racing with many dealer-backed racing efforts competed against factory teams for the World Championship.^[2]

Kel Carruthers won the Isle of Man TT Lightweight 250 cc class in 1970, with a time of 2:21.19 (96.13 mph )^[3]

The cost of a TD2 in 1970 was $1,800.

Yamaha TD3

The TD2 was replaced at the beginning of the 1970s by the Yamaha TD3 model.

Specifications

Parallel Cylinders

• Bore Stroke: ( 56 mm x 50 mm )
• Compression Ratio: 7.6 : 1
• Ignition: Magnito system
• Clutch: Wet, Multi disk
• Carburetors: Mikuni VM30SC
• top speed:232 km/h
• Wheels: Spoke
• Engine model code: DS6-

An oil reservoir was positioned in the tail piece. The oil line was fed to crankcase, powered by a positive placement pump.

TD2 no fairing

Kel Carruthers, Mallory Park 1970

References

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