Carburettor Gasket Repair Kit – Mercury / Mariner 7.5 HP, 9.8 HP, 20 HP & 50 HP 2-Stroke Outboards

Aftermarket carburettor gasket repair kit for selected older Mercury and Mariner 2-stroke outboard engines.

Designed to replace worn carburettor gaskets and sealing components, helping maintain reliable fuel delivery, smooth idling and engine performance.

Suitable for selected older 2-stroke models only. Not suitable for modern 2-stroke or 4-stroke engines.

Fitment – Mercury / Mariner Outboards

HP	Engine Configuration	Years
7.5 HP	2-Cylinder, 2-Stroke	1972–1986
9.8 HP	2-Cylinder, 2-Stroke	1972–1985
20 HP	2-Cylinder, 2.565" Bore, Crossflow	1973–1979
20 HP	2-Cylinder, 2.562" Bore	1980
50 HP	4-Cylinder, 2.565" Bore, Crossflow	1976–1985

Important: These are selected historical applications. Compatibility must be confirmed using the original carburettor part number and engine serial number, particularly for UK and European-market engines.

Replaces Mercury / Mariner Part Numbers

1399-5135
1399-5198
399-5135

OEM references are provided for identification purposes only. Please verify the correct reference for your specific carburettor.

Product Details

Condition: New
Product: Carburettor Gasket Repair Kit
Quality: Marine-Grade Aftermarket
Application: Mercury / Mariner Outboards
Horsepower: 7.5 HP, 9.8 HP, 20 HP, 50 HP
Engine Type: Older 2-Stroke
Cylinder Configuration: 2-Cylinder / 4-Cylinder
Main Reference: 1399-5135

Please check the product photographs for the exact gaskets and components supplied.

Important – Check Compatibility

This kit is intended for selected older Mercury and Mariner 2-stroke carburettors.

Before ordering, please confirm your engine horsepower, model, serial number, year and original carburettor gasket reference.

If the part looks the same as yours, this does not always mean it is the correct part for your outboard.

If unsure, contact SSI Marine with your engine details before purchasing.

Why Buy From SSI Marine?

Workshop-tested aftermarket and genuine parts
Over 10,000 genuine and aftermarket items stocked
Same-day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
UK stock – collection from Leigh, Greater Manchester
Technical support from experienced marine engineers

Buyer Responsibility: Please confirm compatibility before purchasing.

7.5–50 HP Mercury Mariner Outboard Carburettor Gasket Repair Kit 2-Stroke 1399-5135