توضیحات:

All common engine, chassis and electrical systems fully explained and illustrated.
Topics covered include engine cycles and layouts, carburettors and fuel injection, ignition systems, clutches, gearbox, engine lubrication and cooling, wheels, tires, braking systems, suspension, steering, handling, design and electrical systems.
Must download app for every biker.

some special features of this app are-
1)you can learn with the help of mcq
each mcq test show you the result
3)increase speed feature helps you to test your speed how much you learn
4)game play- if you score more thab 60% then you can go to another level.