6K7-11371-01-15 Yamaha Cover 115HP | Genuine Used Part

🔧 Product Description

Genuine Yamaha Cylinder Block Side Cover - Part Number: 6K7-11371-01-15

A genuine Yamaha cylinder and crankcase side cover for selected V4 and V6 two-stroke outboards.

The supplied -15 suffix is a finish-coded reference. The same cover design is commonly catalogued as 6K7-11371-01-1S and seals against gasket 6E5-11381-A2.

⚙️ Key Features

• Genuine Yamaha cylinder-block cover
• Listing part number 6K7-11371-01-15
• Related catalogue reference 6K7-11371-01-1S
• Used on V4 and V6 two-stroke powerheads
• Seals with gasket 6E5-11381-A2

🚤 Compatibility

Commonly used on

• Yamaha V4 and V6 two-stroke cylinder and crankcase assemblies

Typically suits

• Engine models:
• Yamaha 115HP and C115
• Yamaha 130HP
• Yamaha 140HP
• Yamaha 150HP and L150HP
• Yamaha 175HP
• Yamaha 200HP and L200HP
• Yamaha 225HP
• Yamaha Saltwater-series and counter-rotation models using the 6K7 cover
• HP Range: 115HP - 225HP
• Engine Type: Yamaha V4 and V6 carburetted or fuel-injected two-stroke outboard
• Year Range: Approximately 1990-2012, dependent on model and finish code

🔌 Function

The cover seals a cylinder-block access and water-jacket opening. It can be removed for inspection or servicing of the related crankcase and cooling passages.

⚠️ Common Signs of Failure

• Cooling water leaks around the gasket
• Cover is corroded or pitted
• Sealing face is warped
• Mounting bolts are broken or seized
• Gasket material remains bonded to a damaged surface

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6K7-11371-01-15 supplied finish-coded reference
• 6K7-11371-01-1S common OEM service reference

OEM / Related Numbers

• 6K7-11371-01-15
• 6K7-11371-01-1S
• 6K711371011S
• 6E5-11381-A2 related gasket
• Related cylinder-block bolts and locating components

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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