DE
20
6.5.9. Other
Unusual noises might be caused by worn piston, piston-rings, cylin-
der, piston bolt, bearings, etc..
Metallic tingling is caused by the motor misfiring. Causes are resi-
due on piston/crankcase, extremely early ignition, worn spark plug,
too light alloy or bad gasoline quality.
Too little compression might be caused by worn pistons, broken
cylinders, incorrect set up or leaking valves.
Possible causes for an overheating motor are a too light alloy, a too
heavy load, badly timed ignition or a clogged up ventilation system.
If there is water in the fuel the engine does not start up, it smokes
white or it runs very restlessly. In this case drain the fuel.
6.5.10. Engine torque and measured values
EG4-0090
EG4-0210
EG4-0270
EG4-0420
Cylinder head
22-24 Nm
34 Nm
35 Nm
Pleuelstange
10-12 Nm
14 Nm
15 Nm
Flywheel
70-80 Nm
113 Nm
115 Nm
Inlet valve
Opening: 10° aTDC, Closing: 20° aBDC
Outlet valve
Opening: 30° bBDC, Closing: 10° bTDC
Inlet Valve
clearance
0,10-0,15 mm cold
Outlet Valve
clearance
0,10-0,15 mm cold
