
Yamaha 15HP Crankshaft Assembly 6B4-11400-00
The 6B4-11400-00 Crankshaft Assembly is designed for Yamaha 9.9HP and 15HP 2-stroke outboard engines. Manufactured with high-strength steel and precision machining, it provides smooth engine rotation, reliable power transmission, and long service life. It is an ideal replacement for worn, damaged, or seized crankshafts during engine rebuilds or repairs. The OEM reference 6B4-11400-00 is commonly used on Yamaha 6B4 series engines.
Yamaha 15HP Crankshaft Assembly 6B4-11400-00
Key Features
- OEM Reference: 6B4-11400-00
- Fits Yamaha 9.9HP & 15HP 2-stroke outboard engines
- High-strength forged steel construction
- Precision-balanced for smooth operation and reduced vibration
- Excellent wear resistance for extended engine life
- Manufactured to OEM specifications for accurate fit and easy installation
Applications
- Yamaha 9.9HP 2-Stroke Outboard
- Yamaha 15HP 2-Stroke Outboard
- Compatible with Yamaha 6B4 series engines (please verify your engine model and OEM part number before ordering).
Package Includes
- 1 × Crankshaft Assembly
Why Choose Our Crankshaft?
- OEM-quality replacement
- Precision tested for reliable performance
- Stable power output and smooth engine operation
- Ideal for engine overhaul, repair, and maintenance
- Suitable for wholesalers, marine repair shops, and distributors worldwide


