1. Run motorcycle until engine is at normal operating temperature.
NOTE
Do not direct propane stream toward air cleaner. Propane in the air cleaner creates false indicators.
2. See Figure 4-5. Aim nozzle (3) toward possible sources of leak such as intake manifold mating surfaces.
3. Press and release trigger button (2) to dispense propane. The tone of the engine changes when propane enters source of leak. Repeat as necessary to detect leak.
4. When test is finished, close valve knob (turn knob fully clockwise).

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