Operations Manual
HKS 700E
29
10.6. Low oil pressure
Cause Action
Insufficient oil in oil tank Check oil level and fill if necessary.
Oil remains in engine and doesn't
circulate
Check oil return line to tank.
High oil temperature See 10.4.
Pressure loss Check the pressure control valve.
Air in suction line Vent the oil line.
Defective oil pressure gauge Replace the oil pressure gauge.
Bearings defective (no oil pressure) A major overhaul is necessary.
10.7. The engine does not stop immediately
Cause Action
Idle speed too high Adjust proper idle speed between
1400 and 1750 r/min.
Ignition switch defective Replace the switch.
Engine overheated Let the engine cool sufficiently. Wait
for the cylinder head temperature to
reach less than 120Deg.C (248
Deg.F).
Using fuel with a low octane rating Use fuel with a higher octane rating.
10.8. Excessive oil consumption
Cause Action
Piston rings or oil scraper rings worn A major overhaul is necessary.
Poor oil quality Change oil. Use correct oil grade.
Worn valve guides A top overhaul is necessary.
External oil system leaky Check for defects and correct as
necessary.