90890-06820 Aftermarket Mercruiser Flywheel Puller Tool | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercury/Yamaha four-stroke flywheel puller - Part Number: 90890-06820 / 91-83164M

A heavy-duty flywheel puller for Mercury four-stroke outboards built on Yamaha engine platforms. It bolts to the flywheel hub and applies a controlled central force to release the flywheel from the crankshaft taper.

⚙️ Key Features

• Bolted multi-hole flywheel-puller plate

• Central forcing screw applies even axial load

• Designed for the listed Mercury four-cylinder and 75-115HP four-stroke engines

• Cross-references to Yamaha service-tool number 90890-06820

• Reduces crankshaft-thread and flywheel-hub damage

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• Mercury 91-83164M → Cross-references to Yamaha 90890-06820

OEM / Related Numbers:

• 90890-06820

• 90890-06820-00

• 91-83164M

• YB-06820

Aftermarket / Verified Equivalents:

• Recmar: REC90890-06820

• Aftermarket: 985-180 / YB-06820

🚤 Compatibility

Commonly used on:

• Yamaha-built Mercury four-stroke outboard powerheads

Typically suits:

• Drive / engine models:

• Mercury 40HP four-cylinder FourStroke

• Mercury 45HP four-cylinder FourStroke

• Mercury 50HP four-cylinder FourStroke

• Mercury 60HP four-cylinder FourStroke

• Mercury 75HP FourStroke through serial 1B366822

• Mercury 90HP FourStroke through serial 1B366822

• Mercury 115HP FourStroke through serial 1B366822

• Tool Height: Approximately 10.3cm

• Tool Width: Approximately 8.2cm

• Tool Length: Approximately 15.2cm

• Weight: Approximately 2.15kg

🔌 Function

The puller bolts to the flywheel and pushes against the crankshaft centre so the tapered flywheel joint releases evenly without levering against the stator or crankcase.

Common signs the tool or component is required:

• The specified component cannot be removed or installed without damaging the surrounding housing

• A standard puller, wrench or improvised tool cannot engage the factory service points correctly

• Accurate bearing, gear, cable or pulley positioning is required during assembly

• Corrosion, press fit or retained components require controlled service force

• The applicable workshop procedure calls for the listed OEM special-tool number

📦 Condition

• Brand new aftermarket replacement tool or service component

• New and unused

• Supplied in manufacturer or equivalent protective packaging