65W-11536-10-00 Yamaha F40BET Drive Gear | Genuine Used Part

🔧 Product Description

Genuine Yamaha F25 / T25 Oil Pump Drive Gear - Part Number: 65W-11536-10-00

A genuine Yamaha oil-pump drive gear for selected F25 and T25 four-stroke outboards.

The listing title identified an F40BET application; however, Yamaha catalogues place 65W-11536-10-00 in the F25 / FT25 / T25 oil-pump system. The F30 and F40 family uses driven gear 67C-11537-01-00 in the related camshaft and oil-pump drive.

⚙️ Key Features

• Genuine Yamaha oil-pump drive gear
• Correct part number 65W-11536-10-00
• Used on selected 25HP four-strokes
• Transfers crank or camshaft rotation to the oil pump
• Factory tooth profile and bore dimensions
• Later version of the original 65W drive gear

🚤 Compatibility

Documented on selected

• Yamaha F25MSHZ - 2001
• Yamaha T25TLRZ / T25TLRA - 2001-2002
• Yamaha F25MSHB - 2003
• Yamaha F25MSHD - 2005
• Yamaha F25ESH - 2005
• Yamaha FT25BET - documented 2009 application
• Other 65W-family F25 and T25 four-strokes whose oil-pump diagram specifies the -10 gear
• Earlier 1999 F25MLHX uses related drive gear 65W-11536-00-00
• HP Range: 25HP
• Engine Type: Yamaha carburetted four-stroke outboard
• Fitment Requirement: Confirm the oil-pump diagram and gear revision

🔌 Function

The drive gear transfers mechanical rotation to the engine oil pump, allowing pressurised lubrication to circulate through the engine.

⚠️ Common Signs of Failure

• Teeth are worn, cracked or stripped
• Oil pressure is low despite a serviceable pump
• Gear binds on its shaft
• Plastic material is heat damaged
• Metal or polymer debris appears in the sump
• Incorrect gear revision causes poor mesh

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 65W-11536-10-00 later drive-gear reference
• 65W-11536-00-00 earlier drive gear used on selected 1999 models

OEM / Related Numbers

• 65W-11536-10-00
• 65W-11536-00-00
• Related oil-pump driven gear
• Related oil-pump shaft, seals and camshaft components
• 67C-11537-01-00 is a related F30 / F40 driven gear and is not a direct substitute

Aftermarket / Verified Equivalents

• Specialist used or new-old-stock Yamaha 65W-11536-10-00 gear
• Used complete F25 / T25 oil-pump assembly
• No verified direct aftermarket gear
• Metal or polymer gears must not be substituted without matching tooth count, material and bore dimensions

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated
• Inspect every gear tooth and the shaft bore before installation