Yamaha – Oil Pump Cover | Engine Protection Component | YA2-63640-01-11

Overview

Oil system components don’t get much attention until something goes wrong, and I’ve seen a simple cover cause bigger issues when it’s worn or not sealing right. Keeping the oil pump protected and properly enclosed is key to long-term engine health. The Yamaha Oil Pump Cover YA2-63640-01-11 helps keep everything sealed, clean, and functioning the way it should. It’s a small but important piece that supports the whole lubrication system.

Key Features

• Protective Oil Pump Housing – Shields the oil pump from debris and external contaminants.

• Yamaha Precision Fit – Designed to align with factory mounting points and seals.

• Supports Proper Sealing – Helps maintain correct oil system integrity.

• Durable Engine-Ready Build – Built to withstand heat, vibration, and engine conditions.

• Superseded by Updated Version – Replaced by a newer Yamaha part for continued reliability and support.

Engine & Boat Compatibility

The Yamaha Oil Pump Cover YA2-63640-01-11 is designed for Yamaha engines equipped with oil pump systems.

It is commonly used across Yamaha marine and recreational engines where proper oil system protection and sealing are critical for performance and longevity. This part has been superseded by an updated version, so always confirm compatibility using your engine model and parts diagram before installation.

FAQ

Q: What are signs of a failing oil pump cover?
A: Oil leaks, loose fitment, or visible damage are common indicators.

Q: What does it mean that this part is superseded?
A: It means Yamaha has released a newer version to replace this part.

Q: Can a damaged cover affect engine performance?
A: Yes, it can lead to oil leaks or contamination in the system.

Q: Is this part difficult to install?
A: It’s typically straightforward with proper access and sealing.

Q: Should I replace seals when installing a new cover?
A: Yes, replacing seals ensures proper fit and prevents leaks.

• Supersessions
  YA2-63640-01-01, YA2-63640-02-01, YA2-63640-02-01