Oil Circuit 660 Smc (Model 2003) - KTM 400-660 LC4 1998-2005 Repair Manual

2-5E

Oil circuit 660 SMC (model 2003)

1
The oil pump pumps the engine oil past the by-pass valve
4
off to a jet which sprays engine oil onto the piston pin bearing and piston head. The second oil lead takes the main flow of oil
4
to the second jet and the microfilter
the oil lead and the clutch cover into the crankshaft to the connecting rod bearing
oil pump 7 sucks the engine oil out of the crankcase and pumps it through the oil line
gear. Via the gear wheels, the engine oil reaches the oil sump. The timing chain
engine oil upwards to the cylinder head. Through the bore
5
, which filters out even the finest impurities. The cleaned engine oil is pumped through
9
6
4
7
8
1
2
2
through the oil filter
6
9
bk
the oil reaches the camshaft
11
10
3
. After the oil filter, an oil lead branches
and drips into the crankcase. An additional
8 to the gear wheels of the 4th and 5th
runs through the oil sump and transports the
bl
and the valves.
4
3
5