Complete service kit / maintenance kit for Mercury Mariner Outboard 100HP, 115HP & 125HP 2-stroke oil injection models with 4 cylinders & 4 carburettors.

Designed for routine servicing and preventative maintenance, this outboard service kit contains essential components required to maintain cooling efficiency, fuel delivery, ignition performance, and gearbox protection.

Additional components can be added to your kit upon request. Please contact us if you require extra parts for your engine. (Additional dispatch time may apply if special order parts are needed.)

Kit Contains

1 × Water pump impeller kit
4 × Spark plugs
1 × Fuel filter
1 × Anode kit
1 × Thermostat kit
2 × Gearbox drain plug gaskets
1 × Rock Oil MP gear oil
1 × Gear oil filling pump
1 × 500g Rock Oil marine grease

Fitment

Mercury / Mariner Outboard Models:

100HP
115HP
125HP

Engine Type:

2-Stroke
Oil Injection Models
4 Cylinder
4 Carburettor Models

IMPORTANT

This kit is suitable for oil injection, 4 cylinder, 4 carburettor models only.

If the part looks similar to yours, it is not always the correct one for your outboard. Please confirm compatibility using your exact engine model and serial number before ordering.

Additional components can be added to your kit upon request. Please contact us if you require extra parts for your engine. (Additional dispatch time may apply if special order parts are needed.)

Details

Complete outboard service kit / maintenance kit
Includes Rock Oil MP gear oil, filling pump & marine grease
Designed for routine service intervals
High-quality aftermarket & OEM-spec components
Supports cooling system, ignition system & gearbox protection

Why Buy from SSI Marine

Workshop-tested aftermarket & OEM-spec parts
Fast UK dispatch (same-day before 1 PM Mon–Fri)
Tracked 24-hour UK delivery
UK stock – collection available from Leigh (Manchester)
Technical support available

Buyer Responsibility

Please confirm compatibility with your engine model and serial number before purchase. If unsure, contact us — our technical team will be happy to help.

100HP 115HP 125HP Service Kit for Mercury Mariner Outboard 2 Stroke Oil Injection 4 Cyl 4 Carb Maintenance Kit