GENERAL SERVICE INFORMATION
Exhaust Gas Emission Regulations
12/05
6LY3 Service Manual
3-13
© 2007 Yanmar Marine International
EPA Engine Family Name as Assigned by EPA Identifying Engine Family Group
Figure 3-9
Figure 3-9
EPA Exhaust Gas Emission Standard
NOTICE: The transit smoke (ACC / LUG / PEAK) is not applicable. The EPA recommended fuel is used. As
for model year, the year which a regulation is applicable to for recreational use is shown.
EPA Guarantee Conditions for
Emission Standard
In addition to making sure that these conditions are
met, check for any deterioration that may occur
before the required periodic maintenance times.
1. Fuel: The diesel fuel ASTM D975 No. 1-D or
No. 2-D, equivalent (Cetane No. 3.45
minimum).
2. Oil: API grade, class CD.
6 YDX M 5.81 D 6 H
Method of air aspiration
Number of cylinders
Combustion chamber design
Displacement (liter)
Marine engine
Yanmar
2006 Model Year
0006260
Engine Power Category Tier Model Year NMHC + NOx CO PM
37 kW (50.3 hp) and
Above
0.9-1.2 L / cylinder Tier 2 2006
7.2 g / kWh
(0.186 oz / hph)
5.0 g / kWh
(0.129 oz / hph)
0.3 g / kWh
(0.007 oz / hph)
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