809065 Aftermarket Mercruiser Carburettor Kit | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Weber/AFB Four-Barrel Carburettor Overhaul Kit - Replaces Part Number: 809065

New aftermarket overhaul kit replacing MerCruiser 809065 for Weber four-barrel carburettors used on specified 350 Mag and 5.7L engine packages. This kit is matched to the Weber 9661/9770 service family and is distinct from the 809064 kit used on 9665/9781 carburettors.

⚙️ Key Features

• Direct replacement for MerCruiser 809065

• Current Mercury replacement reference 8M0120192

• Designed for Weber 9661 and 9770 carburettors

• Supports specified 350 Mag and 5.7L V8 engine packages

• Carburettor number must be checked before ordering

🧰 Kit Contents

• 1 × Weber/AFB gasket and seal package - supplied under kit P/N 809065

• 2 × Float/needle-and-seat service groups - supplied under kit P/N 809065

• 1 × Accelerator-pump service group - supplied under kit P/N 809065

• 1 × Metering-rod and jet-seal service group - supplied under kit P/N 809065

• 1 × Carburettor mounting gasket - supplied under kit P/N 809065

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0120192 → Supersedes 809065

OEM / Related Numbers:

• 8M0120192

• Weber 9661

• Weber 9770

Aftermarket / Verified Equivalents:

• Sierra: 18-7749

• Recmar: REC809065

• Walker: WK-19057

• Aftermarket: 4051H

🚤 Compatibility

Commonly used on:

• MerCruiser small-block V8 engines with the specified Weber four-barrel carburettor

Typically suits:

• Engine models:

• MCM/MIE 350 Mag

• MCM/MIE and Tow Sports 5.7L applications using Weber 9661 or 9770

• HP Range: Approximately 250HP - 300HP

• Engine Type: 5.7L GM small-block carburetted V8 marine engine

• Year Range: Approximately late 1980s - 1990s

• Serial / Model Identification: Do not interchange with 809064 without matching the stamped Weber carburettor number.

🔌 Function

This service kit renews the carburettor components that control float level, fuel shut-off, metering and sealing. Correct overhaul helps restore reliable starting, stable idle, clean acceleration and balanced fuel delivery.

Common signs of failure:

• Hard starting or excessive choke required

• Rough, unstable or hanging idle

• Fuel leakage, flooding or strong fuel smell

• Hesitation, bogging or stalling under acceleration

• Poor power, uneven cylinder fuelling or excessive fuel consumption

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging