Nanni N4.65

• 4 cyl
• 2.434 l
• 59 hp
• Diesel

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Troubleshooting

Starting problems

• Boat engine won't start after the winter
• Air in the fuel system – the diesel will not start
• Engine won't start
• Starter motor clicks or does not crank

Runs rough, stalls or loses power

• Boat engine dies at idle or when shifted into gear
• Boat engine hesitates or dies on acceleration
• The boat engine knocks or makes strange noises
• Boat engine stops after a while
• Boat engine does not reach full revs at full throttle

Smoke and exhaust

• The boat engine smokes blue – burning oil
• White smoke from the boat engine exhaust
• Diesel engine emits black smoke
• Engine smokes or loses power

Cooling and temperature

• Engine not cooling – weak or no cooling water
• Temperature alarm – engine overheating

Oil, water and fuel

• Water in the fuel or tank of the boat engine
• Water in the engine oil – the oil is grey or milky

Electrics, alarms and fault codes

• Battery not charging – charge warning light is on
• The alarm is sounding – what do the warning lights mean?
• Oil pressure alarm on the boat engine – low oil pressure

Drive, gearbox and trim

• Drive knocks or vibrates
• Gear will not engage or jumps out

Manuals

• Official

  Operator's Manual ↗ (external link)
  EN · PDF
• Official

  Data sheet ↗ (external link)
  EN · PDF

Listings for Nanni N4.65

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Service guides

Replacing the impeller →Winterize a boat engine →

Frequently asked questions about Nanni N4.65

Where can I find the owner's manual for Nanni N4.65?

Links to owner's manuals and workshop manuals are available under Manuals.

How many cylinders does Nanni N4.65 have?

Nanni N4.65 has 4 cylinders.

What fuel does the Nanni N4.65 use?

Nanni N4.65 runs on diesel.

Sources

• Nanni: N4.65 data sheet ↗ (external link)
• Nanni: documentation ↗ (external link)
• Nanni: product guide ↗ (external link)
• Nanni: N2.10 data sheet (address, Kubota base) ↗ (external link)