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NSU 351 OT

Make Model	NSU 351 OT
Year	1929 - 30
Engine	Single cylinder, 4 stroke
Capacity	331 cc / 20.2 cub in
Cooling	Air/Oil cooled
Lubrication	Gear driven oil pump
Ignition	Magneto
Starting	Kick
Max Power	9.2 kW / 12.5 hp @ 5020 rpm
Transmission	3 Speed
Final Drive	Chain in oil bath
Font Suspension	Spring loaded fork
Frame	Steel, double pipe
Rear Brake	Internal shoe
Top Speed	105 km/h / 65.2 mph
Pictures	moto-vintage.com

The 351 OT appeared in 1935 as an extension of the OSL series. With the same suspension as the 251 OSL but with a more powerful, bored out engine, it was especially suitable for use in mountainous areas and for passenger and side-car operations. It was characterised by low fuel consumption and a reasonable selling price.