CRANKSHAFT ASY – 6A1-11400-00-00

Restore the heart of your outboard engine with the CRANKSHAFT ASY – 6A1-11400-00-00, an OEM replacement designed for precise balance, strength, and rotational integrity. This essential internal component is engineered to maintain peak performance and ensure smooth power transfer throughout the engine cycle.

Key Features

OEM Precision Engineering – Manufactured to original specifications for flawless operation and long-term reliability.

Balanced for Performance – Reduces engine vibration while optimizing torque delivery and fuel efficiency.

Heat-Treated for Strength – Hardened steel construction resists wear, stress, and deformation under high RPMs.

Ready-to-Install Assembly – Pre-configured crankshaft assembly simplifies installation and helps prevent costly errors.

Compatibility

The CRANKSHAFT ASY – 6A1-11400-00-00 is specifically designed for select Yamaha outboard motors. Always refer to your engine's service manual or parts diagram to confirm exact fitment.

Ideal Use Cases

Rebuilding or restoring your Yamaha outboard engine

Replacing a worn, damaged, or seized crankshaft

Preventive maintenance during major overhauls

Improving balance and rotational stability in aging motors

Why the Right Crankshaft Matters

The crankshaft is the core of your outboard engine’s internal function. The CRANKSHAFT ASY – 6A1-11400-00-00 not only ensures rotational consistency and smooth piston movement but also plays a major role in the overall durability and longevity of your motor. Using the correct OEM crankshaft reduces the risk of imbalance, premature wear, or catastrophic engine failure.

Frequently Asked Questions

Is this an original Yamaha part or aftermarket?

This is a genuine OEM Yamaha crankshaft assembly designed to match the original specifications.

Do I need to replace bearings with the crankshaft?

Yes, it’s strongly recommended to inspect and replace bearings during crankshaft replacement to ensure full engine longevity.

Can I install this part myself?

While technically possible for experienced DIYers, crankshaft installation requires precision and specialty tools. Professional installation is advised for best results.

• Supersessions
  6GD-E1400-00-00, 6GD-E1400-00-00