Kaiyueda supply
Commerce editorial system
  • Home
  • Products
  • Journal
  • About Us
  • Contact Us
Get a Quote
  1. Home
  2. Products
  3. Yamaha 15HP Crankshaft Assembly 6B4-11400-00
改
PROPELLER

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

High-Precision Crankshaft for Yamaha 9.9HP & 15HP 2-Stroke Outboards
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.

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
Note: Please confirm your engine model, production year, and OEM part number (6B4-11400-00) before purchasing to ensure correct compatibility.

Continue browsing

More products from the catalog

Pair it with other pieces from the same collection or routine.

Y200hp
PROPELLER

Yamaha 200HP Outboard Piston Kit – High Quality Engine Rebuild Parts

The Yamaha 200HP Outboard Piston Kit is designed for engine rebuilding and maintenance applications, providing a reliable replacement solution for worn or damaged piston components. Manufactured with durable materials and precise machining technology, this piston kit helps restore engine compression, improve combustion efficiency, and extend the service life of your Yamaha outboard motor.

View product
y7585hp
PROPELLER

Outboard Piston Kit 688-11631-03-94, Piston Ring 688-11603-00

The Yamaha 75HP Outboard Piston Kit 688-11631-03-94 is designed for rebuilding and repairing Yamaha 2-stroke outboard engines. This piston kit includes a precision-machined piston and matching piston rings, helping restore engine compression, improve combustion efficiency, and extend engine service life.

View product
cb3f18c948152306ca984414a76fdc4c
PROPELLER

Yamaha 692-W0078-00 Water Pump Repair Kit for 60HP 70HP 75HP 90HP Outboard Motor

The 692-W0078-00 Water Pump Repair Kit is a complete maintenance solution designed for Yamaha 60HP to 90HP 2-stroke outboard engines. The water pump is one of the most important components in an outboard motor cooling system. It circulates cooling water through the engine to maintain proper operating temperature. After long-term operation, the impeller, seals, and internal pump components may wear out, reducing cooling efficiency.

View product
Every goods

OEM & SEABOND

Trusted OEM Standard Marine Parts Supplier For Global Markets.

InstagramFacebookTictok
Shop
ProductsNew arrivals
Company
About usContact us

© 2026 Northstar. All rights reserved.

Ships from China.