Kohler KDI 1903M Workshop Manual page 30

2
NOTE: Click by side to play the procedure.
2.10.2 Oil pump
The oil pump rotors are trochoidal (with lobes) and are
activated from the crankshaft by means of the key. The
pump body is situated inside the distribution guard.
It is imperative to assemble the rotors with reference A
visible by the operator.
Tab 2.21
POS. DESCRIPTION
1 Internal rotor
2 External rotor
3 Oil pump crankcase
4 Pump control key
5 Timing system crankcase
6 Crankshaft
EN 30
TECHNICAL INFORMATION
https://www.youtube.com/embed/5HuLfSg
qz6s?rel=0
Fig 2.15