Honda Marine Honda BF350

• 8 cyl
• 4.952 l
• Petrol

Save my engine

Troubleshooting

Starting problems

• Boat engine won't start after the winter
• Boat engine won't start when warm

Runs rough, stalls or loses power

• Boat engine dies at idle or when shifted into gear
• Boat engine hesitates or dies on acceleration
• Boat engine stops after a while

Smoke and exhaust

• The boat engine smokes blue – burning oil
• White smoke from the boat engine exhaust

Oil, water and fuel

• Petrol smell in the boat – fuel leaking from the engine
• 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

• Trim not working – the drive won't go up or down
• Gear will not engage or jumps out

Outboard

• The outboard only runs on choke or dies at idle
• Outboard not cooling – no tell-tale stream
• The outboard won't start
• The outboard loses power or won't reach full revs
• Water in the outboard's gearcase oil

Manuals

• Official

  Owner's Manual (serial no. BBYJ-1000001 through 1002909) ↗ (external link)
  EN · PDF
• Official

  Owner's Manual (serial no. BBYJ-8001280 through 8999999) ↗ (external link)
  EN · PDF

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Service guides

Replacing the impeller →Winterize a boat engine →

Frequently asked questions about Honda BF350

Where can I find the owner's manual for Honda BF350?

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

How many cylinders does Honda BF350 have?

Honda Marine Honda BF350 has 8 cylinders.

What fuel does the Honda BF350 use?

Honda Marine Honda BF350 runs on petrol.

Sources

• Honda Marine: manuals for BF350 ↗ (external link)
• Honda Marine: BF350 specifications ↗ (external link)
• Honda Marine: owner's manuals ↗ (external link)