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Harley-Davidson RR350

Manufacturer	Harley-Davidson
Production	1974–1976
Engine	347 cc (21.2 cu in) two-stroke air-cooled (later water-cooled) parallel twin engine
Bore / stroke	68 mm × 50 mm (2.7 in × 2.0 in)
Compression ratio	12.0:1
Power	70 hp (52 kW) @ 11,400 rpm
Torque	32.3 lb⋅ft (43.8 N⋅m)
Transmission	6-speed, Chain
Suspension	34mm Ceriani telescopic forks, twin Girling rear
Brakes	Drum brakes: 230mm Ceriani 4-leading shoe (front), 230mm Ceriani twin leading shoe (rear)
Wheelbase	1,250 mm (49 in)
Weight	108–112 kg (238–247 lb) (dry)
Fuel capacity	19 L (4.2 imp gal; 5.0 US gal)

The Harley-Davidson RR350, also known as the Harley-Davidson 350RR, was a racing motorcycle, designed, developed, and built by Harley-Davidson, conforming to the 350cc class regulations of the Grand Prix motorcycle racing world championship, between 1974 and 1976.

References

1. "SprintCRPage". www.vft.org.
2. "This two-stroke screamer is not the typical Harley". www.goodwood.com.
3. "1974 Harley-Davidson RR350". Bike-urious. April 4, 2014.
4. "1974 Aermacchi-Harley Davidson RR350". Classic Motorcycles by Sheldon's Emu.
5. Branch, Ben (December 12, 2014). "Harley-Davidson RR350". Silodrome.
6. "Long-lost family: Harley-Davidson Aermacchi RR350". www.classicdriver.com.
7. "1975 Harley-Davidson RR350 Grand Prix Racer". Rare SportBikes For Sale. December 16, 2010.

• Harley-Davidson motorcycles
• Grand Prix motorcycles
• Motorcycles introduced in 1974