Service Manual
5-24 Z Master 500 Gas Series Service Manual
5
ENGINE
Kohler Electronic Fuel Injection (EFI)
Models
EFI Fuel System
21. Install the air cleaner assembly and air cleaner cap.
Install the bolt, spacer, spring and nut to the air lter
bracket. Tighten the bolt (Fig. 242).
Fig 242 DSC-2884
22. Install the air intake hose and tighten the hose clamp
(Fig. 243).
Fig 243 DSC-2883
Fig 244 DSC-2948
For engine specic service or diagnostics procedures,
consult the engine manufacture’s service manual.
The following are the locations of components which are
EFI related but mounted to the unit’s chassis.
1. The fuel pressure regulator and fuel pump are
located in the back of the unit, under the right side
of the chassis, next to the mower idler pulleys (Fig.
244).
23. Install the battery negative cable on the battery.
24. Test operate engine; adjust throttle cable as
required. Check engine low and high idle are to
specication.
A. Fuel Pressure B. Fuel Pump
Regulator
A
B