Outboard Alarm on Yamaha 2 Stroke

3 reasons why you get an alarm on a Yamaha 2 stroke outboard
1) Oil
Check your oil level on the aux tank as well as under the cowling. Check the oil sensor ( as shown) on the reservoir under the cowling.
2) Overheat
Overheat can be caused by a bad impeller, bad thermostats, bad poppet valve, clogged cooling passages.
3) Water in the Fuel