Engine types covered: Two-stroke 50cc 1E40QMA
1PE40QMB
1E40QMB
Four-stroke 50cc 139QMB and QMA
Four-stroke 125cc 152QMI
Four-stroke 150cc 157QMJ
Contents
Introduction
Safety first!, Pre-ride checks
Chapter 1 : Routine maintenance and servicing
Chapter 2A : 50cc four-stroke engine – 139QMA/QMB
Chapter 2B : 125 and 150cc four-stroke engines – 152/157QMI
Chapter 2C : Two-stroke engines
Chapter 3 : Fuel and exhaust systems
Chapter 4 : Ignition systems
Chapter 5 : Transmission: Drive components and gearbox
Chapter 6 : Frame and suspension
Chapter 7 : Brakes, wheels and tyres
Chapter 8 : Bodywork
Chapter 9 : Electrical systems
Wiring diagrams, Data
Reference