Yamaha RD 350 N (reduced Effect) - 1990 Specifications and Reviews

The 1990 Yamaha RD 350 N is a nimble sport bike ideal for riders seeking lightweight performance and affordable thrills. Powered by a liquid-cooled 347cc twin-cylinder engine producing 27 horsepower, it delivers spirited acceleration and predictable handling. Best known for its accessible entry-level sportiness and reliable Japanese engineering, the RD 350 N suits budget-conscious enthusiasts prioritizing fun over raw power.

1990
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General information

CategorySport
Year1990
ModelYamaha RD 350 N (reduced effect)
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlMembrane & power valve
Bore x stroke64.0 x 54.0 mm (2.5 x 2.1 inches)
Compression6.0:1
Power27.00
Stroke4
Engine typeTwin
Capacity:347.00 ccm (21.17 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc162.0 kg (357.1 pounds)

Yamaha RD 350 N (reduced Effect) dimensions and frame

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions110/80-18
Front tyre dimensions90/90-18

Speed and acceleration

Top speed142.0 km/h (88.2 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity17.00 litres (4.49 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
7.5s
0-60 mph
88.2 mph
Top Speed

Best For

Track45%
City60%
Cornering75%
Daily Riding50%
Touring35%
Passenger30%

Rider Profile

Best ForBest suited to riders with some two-stroke or lightweight-bike experience, since this is a detuned 'reduced effect' RD350 aimed at learner or restricted licence markets rather than raw performance.
PurposeDesigned as an accessible sporty naked/sport bike that trades outright power for a manageable, restricted output while keeping the classic RD350 twin-cylinder character.
Rider FitIts light 162 kg weight and compact dimensions make it easy to manage for riders of average or smaller stature.
CharacterA nimble, revvy two-stroke twin that rewards spirited cornering and low-speed agility more than sheer straight-line speed.
Not Ideal ForNot a good fit for riders wanting high-speed touring capability, passenger comfort, or off-road use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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