E2-15Oil level warning systemThe various oil-level warning system functions are as follows:Oil level warningindicator (Digitaltachometer)No refilling necessary.more than 770 cm 3(0.81 US qt, 0.68 Imp qt)Buzzer sounds in remotecontrol box and engine speed islimited to about 2,000 r/min tohelp conserve oil.Check oil filter for clogging.Oil level warninglamp (Analogtachometer)Engine oil tank RemarksGreenYellow from 770 cm3(0.81 US qt, 0.68 Imp qt)down to 280 cm3(0.30 US qt, 0.25 Imp qt)Add oil, refer to oil filling.Red 280 cm3 (0.30 US qt,0.25 Imp qt) or less90Oil level warningindicator (Digitaltachometer)No refilling necessary.more than 1,130 cm 3(1.19 US qt, 0.99 Imp qt)Buzzer sounds in remotecontrol box and engine speed islimited to about 2,000 r/min tohelp conserve oil.Check oil filter for clogging.Oil level warninglamp (Analogtachometer)Engine oil tank RemarksGreenYellow from 1,130 cm3(1.19 US qt, 0.99 Imp qt)down to 310 cm3(0.33 US qt, 0.27 Imp qt)Add oil, refer to oil filling.Red 310 cm3 (0.33 US qt,0.27 Imp qt) or less60/70