Oil Circuit - KTM 400-660 LC4 1998-2005 Repair Manual

Oil circuit

1
The oil pump pumps the engine oil past the by-pass valve
4
to a jet which sprays engine oil onto the piston pin bearing and piston head. The second oil line takes the main flow of oil into
the front pipe of the frame
6
, which filters out even the finest impurities. The cleaned engine oil is pumped through the oil line and the clutch cover into the
crankshaft to the conrod bearing
crankcase and pumps it through the oil line
reaches the oil sump. The timing chain
bl
Through the bore hole the oil reaches the camshaft
Drain plug - frame oil
up to Model 2000
5
, where the engine oil is cooled down. Afterwards the engine oil runs through the fine screen filter
7 and drips into the crankcase. An additional oil pump
9
to the gear wheels of the 4th and 5th gear. Via the gear wheels, the engine oil
bk
runs through the oil sump and transports the engine oil upwards to the cylinder head.
bm
5
6
Drain plug - frame oil
Model 2001 onwards
2
through the oil filter
and the valves.
11
10
7
8
1
2
9
3
. After the oil filter, an oil line branches off
8 sucks the engine oil out of the
12
2-8E
4
3