Section 06
ENGINE MANAGEMENT (DI)
Subsection 03
(COMPONENT INSPECTION AND ADJUSTMENT)
SMR2002-075 _06-03A.FM
06-03-9
1. Pressure gauge (P/N 529 035 709)
2. Adapter for air compressor (P/N 529 035 712)
3. T-adapter (P/N 529 035 710)
4. Pressure relief valve (P/N 529 035 711)
CAUTION:
Ensure to install the pressure relief
valve to allow excess pressure to go out. Note
the arrow on the valve. Otherwise, air compres-
sor components might be damaged.
Install pressure gauge to air compressor.
NOTE:
To prevent fuel to be injected and thus go-
ing out the disconnected hose, use the drowned
engine mode to crank engine. While engine is
stopped, depress and HOLD the throttle lever at
full throttle position for cranking.
Ensure the battery is in good condition to get the
normal cranking speed.
Crank engine and observe air pressure.
NOTE:
A 1 second beep every second indicates
the drowned mode is active.
If pressure is within limits, air compressor is work-
ing adequately.
If pressure is below limits, ensure inlet hose is not
obstructed, bent or kinked. Otherwise, repair the
air compressor.
Remove pressure gauge and reinstall air compres-
sor hose.
REPAIR
Top End
Remove retaining screws.
Lift cover then remove compressor head.
Clean all parts in a solvent and visually inspect for
corrosion damage.
Check reed valve plates for cracks, deformation,
dirt or other defects. The reed plates must lie com-
pletely flat against the reed valve body.
Inspect plane surfaces for warpage.
If reed valve is found defective, it is suggested to
replace it then to temporarily reassemble the com-
pressor to then make a pressure test. If it fails,
check bottom end.
When changing reed valve, ensure to position ring
plate opening so that 2 holes align inside the open-
ing. Holes must not be obstructed by the opening
edges.
1. Reed valve opening
2. Rotate opening to align 2 holes inside without obstructing the
holes
WARNING
Be careful of pressure relief valve outlet. Com-
pressed air may flow out there.
MINIMUM AIR PRESSURE (at cranking)
621 ± 14 kPa (90 ± 2 PSI)
2
3
4
1
F12R03A
1
2
F12R04A
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