1. Select the single player mode, and then choose your bike and track. You can select from different bikes and tracks, each with its own unique features and challenges.

2. Once you start the game, use the on-screen controls to accelerate, brake, and steer your bike. The controls may vary depending on the game, but they usually include buttons or a joystick on the screen.

3. Your objective is to race against other players or against the clock and complete the race as fast as possible while avoiding obstacles and collecting power-ups along the way.

4. Try to avoid crashing into other bikes or obstacles, as this will slow you down and may even cause you to lose the race.

5. As you progress through the game, you'll unlock new bikes and tracks, and you'll earn coins that you can use to purchase upgrades and customize your bike.

6. In multiplayer mode, you can race against other players in real-time and compete for the top spot on the leaderboard.

7. Keep playing and try to beat your best time and win more races to become the ultimate motorbike racer.