Yamaha Y125Z

Yamaha Y125Z or better known as Yamaha Z (in Europe, Thailand and Vietnam) is a 125 cc two-stroke moped or underbone motorcycle produced by Yamaha. Debuted in 1998 as a successor of Yamaha Y110SS, the Y125Z was the first two-stroke underbone motorcycle with an YEIS catalytic converter. Beside being sold in most Southeast Asian countries especially in Malaysia and Singapore, it was also sold in Greece. The production of the Y125Z ended in 2017 after being sold for more than two decades.

Yamaha Y125Z / Yamaha Y125ZR / Yamaha Z

Manufacturer	Yamaha Motor Company
Also called	Yamaha Tupai/Tupa
Parent company	Yamaha dCorporation
Production	1998 – 2017
Predecessor	Yamaha Y110SS / Yamaha Y110SS Two
Class	Moped, underbone
Engine	124.3 cc air-cooled, 2-stroke engine Cylinder Arrangement = Forward inclined single cylinder Bore & stroke = 53.8 x 54.7 mm
Power	17.5 HP (13 kW) @ 12,000 rpm
Torque	1.85 kg·m (18.1 N·m/13.4 ft·lbf) @ 7,500 rpm
Transmission	6-speed
Suspension	Front: Telescopic fork Rear: Monoshock swingarm
Brakes	Front: Disc Rear: Disc
Tires	Front: 70/90-17 38P Rear: 80/90-17 44P
Rake, trail	27° / 82 mm (3.2 in)
Wheelbase	1,250 mm (49 in)
Dimensions	L: 1,900 mm (75 in) W: 675 mm (26.6 in) H: 1,035 mm (40.7 in)
Seat height	752 mm (29.6 in)
Weight	101 kg (223 lb) (dry)
Fuel capacity	5.5 L (1.5 US gal)
Related	Yamaha RX-Z Yamaha Y135LC

Yamaha Y125Z in motorsports

The Yamaha Y125Z is widely used in motorcycle racing tournaments held in Malaysia or Asean level. In Malaysia, the Y125Z is formerly used in the Expert category of Malaysian Cub Prix tournament series.