61A-45538-00 Yamaha Spacer | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Drive Shaft Spacer - Part Number: 61A-45538-00-00

A genuine Yamaha OEM drive shaft spacer used in Yamaha outboard lower-unit and water pump assemblies. This spacer works with the matching 61A-45527-00 drive shaft collar to maintain correct water pump and drive shaft component alignment.

⚙️ Key Features

• Genuine Yamaha OEM spacer
• Correct Yamaha part number 61A-45538-00-00
• Drive shaft / water pump spacer component
• Works with Yamaha drive shaft collar 61A-45527-00-00
• Used on Yamaha 115HP to 300HP lower-unit assemblies where specified

🚤 Compatibility

Commonly used on

• Yamaha drive shaft and water pump assemblies
• Yamaha lower-unit service assemblies using 61A spacer and collar components

Typically suits

• Engine models:
• Yamaha 115HP two-stroke lower-unit applications
• Yamaha 130HP two-stroke lower-unit applications
• Yamaha 150HP two-stroke and HPDI lower-unit applications
• Yamaha 175HP two-stroke lower-unit applications
• Yamaha 200HP two-stroke and HPDI lower-unit applications
• Yamaha 225HP two-stroke and four-stroke lower-unit applications
• Yamaha 250HP two-stroke and four-stroke lower-unit applications
• Yamaha 300HP high-output lower-unit applications where 61A-45538-00 is specified
• Yamaha F115 / F150 / F200 / F225 four-stroke applications using the 61A spacer and collar family
• HP Range: commonly 115HP - 300HP where specified
• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard lower-unit assembly
• Year Range: approximately 1991 onward depending on model and gearcase
• Component Type: Drive shaft spacer

🔌 Function

The drive shaft spacer maintains correct spacing around the water pump and drive shaft stack, helping keep the pump assembly aligned and correctly supported.

⚠️ Common Signs of Failure

• Spacer missing during water pump service
• Incorrect water pump assembly height
• Wear marks, corrosion or deformation
• Impeller or pump housing alignment concerns
• Drive shaft hardware damage
• Replacement required during gearcase or water pump rebuild

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 61A-45538-00-00 Yamaha spacer reference
• 61A-45538-00 short Yamaha spacer format

OEM / Related Numbers

• 61A-45538-00-00
• 61A-45538-00
• 61A455380000
• 61A4553800
• 61A-45527-00-00 matching drive shaft collar
• 61A-45527-00 matching drive shaft collar

Aftermarket / Verified Equivalents

• Aftermarket reference: 61A-45538-00
• Aftermarket reference: 61A4553800
• Yamaha drive shaft spacer replacement for 61A water pump stack assemblies
• Included / serviced alongside aftermarket 61A-W0078 water pump rebuild components where the original spacer is worn or missing
• Replacement drive shaft collar and spacer service family with 61A-45527-00 where matched by diagram

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging