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Manufacturer SYM Motors
Also called Jolie
City Trek
Parent company Sanyang Motor Co. Ltd
Engine 50 cc (3.1 cu in); 2-stroke auto-lub, air-cooled, single
Bore / stroke 39.0 mm × 41.4 mm (1.54 in × 1.63 in)
Ignition type Capacitor discharge electronic ignition (CDI)
Transmission Continuously variable automatic transmission (CVT)
Suspension Telescopic (Front), single sided (rear)
Brakes Front; disc: rear drum
Tires 10-inch (front and rear)
Wheelbase 1.155 m (3 ft 9.5 in)
Dimensions L: 1.660 m (5 ft 5.4 in)
W: 0.630 m (2 ft 0.8 in)
H: 1.020 m (3 ft 4.2 in)
Weight 80 kg (180 lb)[1] (dry)
Fuel capacity 6.1 L (1.3 imp gal; 1.6 US gal)
Oil capacity 1.0 L (0.22 imp gal; 0.26 US gal) 2 stroke oil

The SYM DD50 (also known as the SYM Jolie or City Trek)[1] is a single-cylinder, 50 cc (3.1 cu in), oil injected two-stroke, automatic scooter manufactured by Taiwanese company SYM Motors.


The DD50 has continuously variable transmission, auto-choke, both a self-starter and kick starter, and auto-lubrication to simplify operation. Along with a speedometer, the front console has a fuel level gauge, and low oil (two-stroke oil) indicator. The fuel tank holds up to 6.1 L (1.3 imp gal; 1.6 US gal) of fuel. The DD50 weighs 80 kg (180 lb)[1] dry. The front brake is a hydraulic disc, while the rear is a drum. The under-seat luggage compartment is suitable for helmet storage.

SYM Jolie Console


  1. ^ a b c Mather, Phil. Twist and Go (automatic transmission) Scooters 50 to 250 cc: Service and Repair Manual. Haynes. p. Data 56. ISBN 1844250822.