68F-11121-00-1S Yamaha Port Cylinder Head HPDI | Genuine Used Part

🔧 Product Description

Genuine Yamaha Port HPDI Cylinder Head - Part Number: 68F-11121-00-1S

A genuine used Yamaha port-bank cylinder head for selected Z150, Z175 and Z200 V6 HPDI direct-injection two-stroke outboards.

Yamaha identifies this component as Cylinder Head 2. It fits the port cylinder bank and contains the combustion chambers, spark-plug threads and cooling passages for the three port-side cylinders.

⚙️ Key Features

• Genuine Yamaha port HPDI cylinder head
• Correct Yamaha part number 68F-11121-00-1S
• Supersedes earlier head 68F-11121-00-94
• Used on 150HP, 175HP and 200HP V6 HPDI engines
• Fits standard and counter-rotating 68F-series platforms

🚤 Compatibility

Commonly used on

• Yamaha Z-series HPDI V6 port cylinder banks
• Yamaha LZ-series counter-rotating HPDI engines
• Yamaha VZ-series 2.6L V6 HPDI engines

Typically suits

• Engine models:
• Yamaha Z150TLR
• Yamaha Z150TXR
• Yamaha LZ150TXR
• Yamaha VZ150TLR
• Yamaha Z175TXR
• Yamaha VZ175TLR
• Yamaha Z200TLR
• Yamaha Z200TXR
• Yamaha LZ200TXR
• Yamaha VZ200TLR
• HP Range: 150HP - 200HP
• Engine Type: Yamaha 2.6L V6 HPDI direct-injected two-stroke outboard
• Year Range: Approximately 2000 - 2013

🔌 Function

The port cylinder head closes the port cylinder bank, forms the combustion chambers and circulates cooling water around the combustion and spark-plug areas.

⚠️ Common Signs of Failure

• Low compression on one or more port cylinders
• Water or steam-cleaning evidence inside a cylinder
• Damaged or stripped spark-plug threads
• Corroded or obstructed cooling passages
• Warped or damaged gasket-sealing surface

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 68F-11121-00-1S → Supersedes 68F-11121-00-94
• 68F-11121-00-94 earlier port cylinder-head reference

OEM / Related Numbers

• 68F-11121-00-1S
• 68F11121001S
• 68F-11121-00-94
• 68F-11111-00-1S matching starboard cylinder head
• 68F-11181-00-00 related cylinder-head gasket
• 68F-11192-00-1S matching port cylinder-head cover
• 6E5-11325-00-00 related cylinder-head anode
• 99590-10114-00 related locating dowel

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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