Go to the "how-to" section of the forum, or you can read your Best Friend.......Your ski's Shop Manual for pictoralized information and Manswers to Maintenance questions. We are glad you're here.
Fuel gauge = take out front basket, disconnect the fuel bafel plug and jumper the two wires in the harness side connector, press the start button, if gauge jumps to full, the bafel sender has an issue.
beeper = unplug the connector on the temp sensor between the two spark plugs, press that bare end part to ground, press start button, the
beeper/buzzer should sound.
Bills86e