Honda BF15D BF20D 15 HP 20 HP 4-Stroke Service Kit

Comprehensive SSI Marine service kits for Honda 15 HP and 20 HP BF15D / BF20D 4-stroke outboard engines.

Choose from three service options depending on the level of maintenance required:

100 Hour Service Kit – WITH Oils

300 Hour Service Kit – WITHOUT Oils

300 Hour Service Kit – WITH Oils & Grease

These kits are assembled by SSI Marine using our knowledge of outboard parts and hands-on workshop servicing experience, bringing together the main service components required for the BF15D and BF20D.

🔧 100 HOUR SERVICE KIT – WITH OILS

A comprehensive routine service kit for Honda BF15D and BF20D outboards.

Kit Includes:

1 × Oil Filter – 35-822626Q03
1 × Fuel Filter – 16910-ZV4-015
2 × NGK CR5EH-9 Spark Plugs
1 × Impeller / Water Pump Kit – 06192-ZW9-A30
2 × Red Gear Oil Drain / Fill Plug Washers
1 × Aluminium Engine Oil Sump Plug Washer
1 × Cotter / Split Pin
1 × Motul Outboard Tech 10W30 4-Stroke Engine Oil – 1 Litre
1 × Motul SAE 90 API GL-5 Gear Oil – 350ml

This kit does NOT include:

❌ Thermostat
❌ Thermostat gasket
❌ Zinc anodes
❌ Marine grease

IMPORTANT

The 100 Hour With Oils kit does NOT contain grease.

🔧🔧 300 HOUR SERVICE KIT – WITHOUT OILS

A more comprehensive service kit containing the regular service components plus the thermostat, thermostat gasket and zinc anodes.

Kit Includes:

1 × Oil Filter – 35-822626Q03
1 × Fuel Filter – 16910-ZV4-015
2 × NGK CR5EH-9 Spark Plugs
1 × Impeller / Water Pump Kit – 06192-ZW9-A30
2 × Red Gear Oil Drain / Fill Plug Washers
1 × Aluminium Engine Oil Sump Plug Washer
1 × Cotter / Split Pin
1 × Thermostat – 19300-ZW9-003
1 × Thermostat Gasket – 19317-ZW9-000
2 × Zinc Anodes – 41106-ZW9-000

⚠️ NO OILS OR GREASE INCLUDED

This variant does NOT contain:

❌ Engine Oil
❌ Gear Oil
❌ Marine Grease

This is ideal if you already have suitable lubricants and only require the service parts.

🔧🔧 300 HOUR SERVICE KIT – WITH OILS & GREASE

The Most Comprehensive Option

This option contains all the regular service components, the additional 300-hour service parts, engine oil, gear oil and marine grease.

Kit Includes:

1 × Oil Filter – 35-822626Q03
1 × Fuel Filter – 16910-ZV4-015
2 × NGK CR5EH-9 Spark Plugs
1 × Impeller / Water Pump Kit – 06192-ZW9-A30
2 × Red Gear Oil Drain / Fill Plug Washers
1 × Aluminium Engine Oil Sump Plug Washer
1 × Cotter / Split Pin
1 × Thermostat – 19300-ZW9-003
1 × Thermostat Gasket – 19317-ZW9-000
2 × Zinc Anodes – 41106-ZW9-000

Oils & Grease Included:

1 × Motul Outboard Tech 10W30 4-Stroke Engine Oil – 1 Litre
1 × Motul SAE 90 API GL-5 Gear Oil – 350ml
1 × Rock Oil MPG Marine Grease – 500g

This is the only variant that includes the 500g marine grease.

Quick Kit Comparison

Kit Contents	100hr With Oils	300hr Without Oils	300hr With Oils
Oil Filter	✓	✓	✓
Fuel Filter	✓	✓	✓
2 × NGK Spark Plugs	✓	✓	✓
Impeller Kit	✓	✓	✓
2 × Gear Oil Plug Washers	✓	✓	✓
Sump Plug Washer	✓	✓	✓
Cotter Pin	✓	✓	✓
Thermostat	—	✓	✓
Thermostat Gasket	—	✓	✓
2 × Zinc Anodes	—	✓	✓
1L Engine Oil	✓	❌	✓
350ml Gear Oil	✓	❌	✓
500g Marine Grease	❌	❌	✓

Please check the table carefully and select the correct service kit before ordering.

Fits Honda Outboards

15 HP – BF15D

20 HP – BF20D

4-Stroke
Selected BF15D applications
Selected BF20D applications

Important

Please do not purchase solely because your engine is a Honda 15 HP or 20 HP.

Honda has manufactured different generations of these engines using different service components.

Always confirm your exact engine model and serial number before purchasing.

Service Parts

Oil Filter

35-822626Q03

Included in all three variants.

Fuel Filter

16910-ZV4-015

Included in all three variants.

Spark Plugs

2 × NGK CR5EH-9

Included in all three variants.

Impeller / Water Pump Kit

06192-ZW9-A30

Includes the main water-pump service components:

Impeller
O-Ring
Gasket
Drive Key

Included in all three variants.

Service Washers & Cotter Pin

Every kit also contains:

2 × Red Gear Oil Drain / Fill Plug Washers
1 × Aluminium Engine Oil Sump Plug Washer
1 × Cotter / Split Pin

These small service components are easily overlooked when purchasing individual service parts, so we include them in the kit.

Additional 300 Hour Service Parts

Both 300 Hour variants additionally contain:

Thermostat

19300-ZW9-003

Thermostat Gasket

19317-ZW9-000

Zinc Anodes

2 × 41106-ZW9-000

These additional components are not included in the 100 Hour Service Kit.

Oils

100 Hour With Oils & 300 Hour With Oils Include:

Motul Outboard Tech 10W30

1 Litre 4-Stroke Marine Engine Oil

and

Motul SAE 90 API GL-5

350ml Gear Oil

Marine Grease

Rock Oil MPG Marine Grease – 500g

⚠️ Marine grease is supplied ONLY with the 300 Hour With Oils kit.

It is NOT included with:

100 Hour With Oils
300 Hour Without Oils

SSI Marine Service Kits

SSI Marine kits are assembled by us using our knowledge of outboard parts, workshop servicing experience and customer requirements developed over many years.

We aim to make our service kits comprehensive and affordable, so individual components may come from different suppliers.

Depending on the kit, we use a combination of quality marine aftermarket parts, genuine parts and high-quality branded lubricants.

Please check the product pictures.

The pictures represent the components supplied with each selected kit option.

With so many different outboard models, generations and years, please double-check suitability before ordering.

Important – Please Check Compatibility

Before purchasing, please confirm:

Engine is Honda
15 HP or 20 HP
4-Stroke
Model is BF15D or BF20D
Exact engine model
Engine serial number
Required service level
Whether you require oils

Do not order by horsepower or appearance alone.

If the parts look the same as yours, this does not always mean they are correct for your outboard.

If unsure, please contact SSI Marine with your engine model and serial number before purchasing and our technical team will be happy to help.

Why Buy From SSI Marine?

SSI Marine workshop-developed service kits
Quality aftermarket, genuine & branded service components
Workshop-tested products
More than 10 years supplying outboard parts
Same-day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
UK stock
Collection available from Leigh, Greater Manchester
Technical support from experienced outboard specialists
Workshop open Monday–Friday, 9 AM–5 PM

Honda Outboard 15 HP 20 HP BF15D BF20D Service Kit 100hr 300hr – With / Without Oils 4 Stroke