Engineering:Suzuki FZ50

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Suzuki FZ50
Suzuki FZ50
ManufacturerSuzuki
Production1978–1983
Classscooter
Engine49 cc (3.0 cu in), air-cooled, two-stroke, single
Bore / stroke41mm bore 37.4mm stroke
Compression ratio6.5:1
Top speed30 miles per hour
Power3.2 horsepower stock engine power
TransmissionTwo-speed automatic
Frame typeStep-through frame
SuspensionRear: Swingarm
BrakesDrum front and rear


Produced by Suzuki, it was known by the nickname "Suzy" in UK, but in other markets as Youdy and Rascal. It was also advertised as the FS50 in other countries.[1] It had a 49 cc (3.0 cu in) two-stroke pivoted engine integral with the transmission, and a coil-over damper mounted to the single-sided swinging arm enclosing the chain final drive.

The FZ50 was restricted to 30 miles per hour to adhere to the existing moped regulations. However, most go over 30 miles per hour with no modifications.

With a two-speed automatic transmission utilizing two centrifugal clutches, the engine used Suzuki's CCI oil-injection lubrication system with underseat separate fuel and oil tanks, a fuel gauge and front and rear carriers. The FZ50 piston, cylinder, head, and exhaust are interchangeable with the Suzuki FA50.

Unlike most scooters, the FZ50 is a "noped", a moped lacking pedals. It instead uses a left-side-mounted engine kick-start, normally found on larger machines, with a lock-out operated by the handlebar-mounted rear brake lever.[2]

References

  1. "Suzuki FZ50". 1 February 2019. https://www.mopedarmy.com/wiki/Suzuki_FZ50. 
  2. Motor Cycle News 14 November 1979, p.24–25 MCN Triple Test. "Yes, I'm in love with 'Suzy'!.