If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Design your own motorcycle, and then take it for a ride! Click on the wrenches to see the different bike options. Click on up or down to raise and lower the bike. When you're done, click Start to rev up your bike and then click Next to choose the background for your ride.
Use mouse to interact. Arrow keys up/down to move.