- 1). Check the plastic casing around the engine for a "Yahama IT" label.
- 2). Check the size of the front tire. The size equals "3.00-21", which means that the tires have a 21-inch diameter.
- 3). Check the size of the rear tire. The size equals "4.50-18", which means that the tires have an 18-inch diameter.
- 4). Check below the motorcycle's rubber seat for an "IT 400" label. The label will be in yellow bold-face letters.
- 5). Check the rubber motorcycle seat for an engraved "Yamaha" label. The "Yamaha" label will be in white bold-face letters.
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