2012 Yamaha Motorsports Apex SE Owners Manual - Page 24
2012 Yamaha Motorsports Apex SE Manual
Page 24 highlights
Control functions ESU13991 Oil level/pressure warning indicator " " The oil level/pressure warning indicator has two functions. The warning indicator comes on when the engine oil level is low and when the engine oil pressure is low. The functions are explained in the following sections. Oil pressure warning The warning indicator comes on and "OP-LO" (oil pressure low) appears in the odometer display if the engine oil pressure is low when the engine is started. At the same time, the engine speed is limited to less than the clutch engagement speed until the warning indicator goes off. If the engine oil pressure remains low for one minute, the engine stops. If this occurs, have a Yamaha dealer check the snowmobile. Oil level warning The warning indicator and the warning light come on when the engine oil level is low. 1 2 1. Oil level/pressure warning indicator " 2. Warning light " " " 1. Oil level/pressure warning indicator " 2. "OP-LO" (oil pressure low) " If the warning indicator and the warning light come on, place the snowmobile on a level surface and allow it to idle for one minute. If the warning indicator and the warning light go off, the engine oil level is sufficient, however it is getting low. Add engine oil as soon as possible. If the warning indicator and the warning light do not go off, check the engine oil level in the oil tank (see page 57 for engine oil level checking procedures), and add engine oil if necessary. If the warning indicator and the warning light still remain on, have a Yamaha dealer check the snowmobile. TIP If there is no engine oil in the oil passages when the engine is started, such as after the engine oil is changed, the warning indicator may come on and "OP-LO" may appear in the odometer display for a few seconds until the oil circulates through the engine. The snowmobile can be operated normally after the warning indicator goes off. ESU10513 Coolant temperature warning indicator " " If the engine overheats, the coolant temperature warning indicator and the warning light come on. When this occurs, stop the engine immediately and allow the engine to cool 18