Yamaha TZ 350

The Yamaha TZ 350 was a racing motorcycle produced by the Yamaha Motor Company from 1973 to 1981 for competition in the Grand Prix motorcycle racing series. The motorcycle was powered by a 350 cc two stroke engine.

Yamaha TZ 350
Yamaha 350 TZ (1977)
ManufacturerYamaha
Production1973 (TZ 350A) till 1981 (TZ 350 H)
ClassGrand Prix motorcycle racing
Engine347 cc (21.2 cu in) air-cooled, two-stroke parallel twin
Bore / stroke64 mm × 54 mm (2.5 in × 2.1 in)
Top speedover 289 km/h (180 mph)
Power60 bhp (45 kW) @ 9,500 rpm (A) to 72 bhp (54 kW) @ 11,000 rpm (H)
Torque35 N⋅m (26 lbf⋅ft) @ 9,440 rpm
Transmission6-speed
SuspensionRear: Twin Shock (A&B); Mono-Shock (C-H)
Brakes
Front: 2 x Twin L-Shoe (A&B); Disc (since Model C)
Rear:1 x Single L-Shoe (A&B) ; Disc (since Model C)
TiresFront: 2.75" x 18" (A&B); 3.0" x 18" (Since C)
Rear: 3.0" x 18" (A-E);3.5" x 18" (F-H)
Rake, trail27.5°, 4.3 inches (110 mm) (Model A-E)
Wheelbase1,331 mm (52.4 in) (diff per model)
DimensionsL: 1,946 mm (76.6 in)
W: 510 mm (20 in) (between 510 and 635)
Weight115 kg (dry)
Fuel capacity23 L (5.1 imp gal; 6.1 US gal)

Model history

Production of the motorcycle started in 1973 with Model A (60 bhp @9,500rpm) and ended 1981 with Model H (72 bhp @ 11,000rpm) when the GP series came to an end.[1]

Helmut Dähne on a Yamaha TZ 350 (1976)
Yamaha TZ 350 (1977)

Production Racer were series manufactured racing bikes. Two Yamaha TZ 350 models are part of the motorcycle collection of the Technikmuseum Speyer.[2]

Yamaha often leveraged the marketing of their RD and RZ series road motorcycles by referencing the TZ series. See also: RD250, RD350, RD400, RZ250, RZ350. The TZ motors provided the inspiration and engineering basis of Yamaha's contemporaneous road going two strokes.

See also

References


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