Yanmar 3YM30 Sevice Manual page 29

(5) Quality guarantee period for exhaust emission related parts
For exhaust emission related parts, follow the inspections outlined in the "List of Periodic Inspections",
on the operation manual, and use the table below to carry out inspections based on operation hours or
time in years. Whichever comes first is the guarantee period.
Power Rating
kW < 19
19 kW < 37
The specific emissions-related parts are
(a) Fuel injection nozzle
(b) Fuel injection pump
Parts
For fuel nozzle, fuel pump
1500 hours or 2 years
3000 hours or 5 years
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1.general