en Yamaha TZ 350

Yamaha TZ 350
Manufacturer	Yamaha
Production	1973 (TZ 350A) till 1981 (TZ 350 H)
Class	Grand Prix motorcycle racing
Engine	347 cc (21.2 cu in) air-cooled, two-stroke parallel twin
Bore / stroke	64 mm × 54 mm (2.5 in × 2.1 in)
Top speed	over 289 km/h (180 mph)
Power	60 bhp (45 kW) @ 9,500 rpm (A) to 72 bhp (54 kW) @ 11,000 rpm (H)
Torque	35 N⋅m (26 lbf⋅ft) @ 9,440 rpm
Transmission	6-speed
Suspension	Rear: 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)
Tires	Front: 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, trail	27.5°, 4.3 inches (110 mm) (Model A-E)
Wheelbase	1,331 mm (52.4 in) (diff per model)
Dimensions	L: 1,946 mm (76.6 in); W: 510 mm (20 in) (between 510 and 635);
Weight	115 kg (dry);
Fuel capacity	23 L (5.1 imp gal; 6.1 US gal)

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.

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]

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.

References

External links

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[1] The incredible TZ350, a brief history

[2] Racebike Collection Technik Museum Speyer

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