82454T9 Mercury Carburettor | Genuine Used Part

🔧 Product Description

Genuine Mercury WME 87-1 Upper Carburettor - Part Number: 3301-824854T9

A genuine Mercury and Mariner upper carburettor for selected 65 Jet, 75HP and 90HP three-cylinder two-stroke outboards.

The listing reference 82454T9 corresponds with Mercury OEM carburettor number 824854T9. This WME 87-1 carburettor is installed in the upper position of the three-carburettor intake assembly.

⚙️ Key Features

• Genuine Mercury WME 87-1 carburettor
• Correct OEM number 3301-824854T9
• Upper carburettor in the three-cylinder intake system
• Later superseded by carburettor 824854T18
• Used on selected 65 Jet, 75HP and 90HP engines

🚤 Compatibility

Commonly used on

• Mercury and Mariner three-cylinder WME carburettor assemblies

Typically suits

• Engine models:
• Mercury 65 Jet three-cylinder two-stroke
• Mercury / Mariner 75HP three-cylinder two-stroke
• Mercury / Mariner 90HP three-cylinder two-stroke
• Mercury 90HP international - serial 0P017000 to 0P325499
• 1999-2004 three-carburettor engines using WME 87-1 upper carburettor
• HP Range: 65 Jet / 75HP - 90HP
• Engine Type: Mercury / Mariner three-cylinder carburetted two-stroke outboard
• Year Range: Approximately 1999-2004

🔌 Function

The upper carburettor meters fuel and air for the upper cylinder. It must be synchronised with the middle and lower carburettors to provide equal throttle opening and fuel delivery.

⚠️ Common Signs of Failure

• Upper cylinder runs lean or rich
• Fuel leaks or overflows from the float bowl
• Engine hesitates or bogs under acceleration
• Blocked jets cause poor idle or reduced power
• Carburettor linkage is worn or out of synchronisation

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 824854T18 → Supersedes 824854T9
• 824854T9 earlier WME 87-1 upper carburettor

OEM / Related Numbers

• 3301-824854T9
• 824854T9
• 82454T9 inventory reference
• 824854T18
• WME 87-1
• 824854T10 matching middle carburettor
• 824854T11 matching lower carburettor

Aftermarket / Verified Equivalents

• BH-Motor: replacement three-carburettor set
• GKPSSURV: replacement carburettor set for 824854T9 / T10 / T11
• JingTuo: P38X-1 replacement carburettor assembly

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated