FUEL SYSTEM
Fuel Injection Pump / Governor / Timer
12/05
6LY3 Service Manual
6-7
© 2007 Yanmar Marine International
FUEL INJECTION PUMP /
GOVERNOR / TIMER
The 6LY3 engine is equipped with the YPES-AL II
fuel injection pump (Figure 6-2, (1)) with an
electronic governor (Figure 6-2, (4)) and electro-
hydraulic timer (Figure 6-2, (2)).
Figure 6-2
Figure 6-2
1 – Fuel Injection Pump
2 – Electro-Hydraulic Timer
3 – Fuel Feed Pump
4 – Electronic Governor
Refer to the appropriate Service Manual for
disassembling, assembling and adjustment
procedures of the fuel injection pump
(Figure 6-2, (1)), governor and timer for 6LY3
engines.
NOTICE: The fuel injection pump and the rack
position sensor amplifier may only be disassembled
at an authorized FIE service center. See Figure 6-3
on page 6-8 for the location of the rack position
amplifier.
0005664
(1)
(2)
(3)
(4)
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