Crankshaft - Yamaha 40 / 50 HP W / Oil Injection Gear (1984-2008) OEM# 6H4-11400-10-00 | WSM 850-315WSM

Crankshaft Yamaha 40 / 50 Hp W/Oil Injection Gear OEM# 6H4-11400-10-00

This WSM crankshaft is a quality aftermarket replacement part designed for Yamaha 3 Cyl 2.638 Bore 40 and 3 other compatible models.

It replaces selected OEM reference numbers including 6H4-11400-10-00, 6H4-11400-11-00, 6H4-11400-12-00, 6H4-11400-13-00, 6H4-11400-14-00 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 70 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 850-315WSM
• Product: Crankshaft
• OEM Reference: 6H4-11400-10-00, 6H4-11400-11-00, 6H4-11400-12-00, 6H4-11400-13-00, 6H4-11400-14-00
• Application: Yamaha 3 Cyl 2.638 Bore 40 and 3 other compatible models

Product Fitment

This part is suitable for the following models:

• Yamaha 3 Cyl 2.638 Bore 40 – 1984
• Yamaha 3 Cyl 2.638 Bore 40 – 1985
• Yamaha 3 Cyl 2.638 Bore 40 – 1986
• Yamaha 3 Cyl 2.638 Bore 40 – 1987
• Yamaha 3 Cyl 2.638 Bore 40 – 1988
• Yamaha 3 Cyl 2.638 Bore 40 – 1989
• Yamaha 3 Cyl 2.638 Bore 40 – 1990
• Yamaha 3 Cyl 2.638 Bore 40 – 1991
• Yamaha 3 Cyl 2.638 Bore 40 – 1992
• Yamaha 3 Cyl 2.638 Bore 40 – 1993
• Yamaha 3 Cyl 2.638 Bore 40 – 1994
• Yamaha 3 Cyl 2.638 Bore 40 – 1995
• Yamaha 3 Cyl 2.638 Bore 40 – 1996
• Yamaha 3 Cyl 2.638 Bore 40 – 1997
• Yamaha 3 Cyl 2.638 Bore 40 – 1998
• Yamaha 3 Cyl 2.638 Bore 40 – 1999
• Yamaha 3 Cyl 2.638 Bore 40 – 2000
• Yamaha 3 Cyl 2.638 Bore 40 – 2001
• Yamaha 3 Cyl 2.638 Bore 40 – 2002
• Yamaha 3 Cyl 2.638 Bore 40 – 2003
• Yamaha 3 Cyl 2.638 Bore 40 – 2004
• Yamaha 3 Cyl 2.638 Bore 40 – 2005
• Yamaha 3 Cyl 2.638 Bore 40 – 2006
• Yamaha 3 Cyl 2.638 Bore 50 – 1984
• Yamaha 3 Cyl 2.638 Bore 50 – 1985
• Yamaha 3 Cyl 2.638 Bore 50 – 1986
• Yamaha 3 Cyl 2.638 Bore 50 – 1987
• Yamaha 3 Cyl 2.638 Bore 50 – 1988
• Yamaha 3 Cyl 2.638 Bore 50 – 1989
• Yamaha 3 Cyl 2.638 Bore 50 – 1990
• Yamaha 3 Cyl 2.638 Bore 50 – 1991
• Yamaha 3 Cyl 2.638 Bore 50 – 1992
• Yamaha 3 Cyl 2.638 Bore 50 – 1993
• Yamaha 3 Cyl 2.638 Bore 50 – 1994
• Yamaha 3 Cyl 2.638 Bore 50 – 1995
• Yamaha 3 Cyl 2.638 Bore 50 – 1996
• Yamaha 3 Cyl 2.638 Bore 50 – 1997
• Yamaha 3 Cyl 2.638 Bore 50 – 1998
• Yamaha 3 Cyl 2.638 Bore 50 – 1999
• Yamaha 3 Cyl 2.638 Bore 50 – 2000
• Yamaha 3 Cyl 2.638 Bore 50 – 2001
• Yamaha 3 Cyl 2.638 Bore 50 – 2002
• Yamaha 3 Cyl 2.638 Bore 50 – 2003
• Yamaha 3 Cyl 2.638 Bore 50 – 2004
• Yamaha 3 Cyl 2.638 Bore 50 – 2005
• Yamaha 3 Cyl 2.638 Bore 50 – 2006
• Yamaha 3 Cyl 2.638 Bore 50 – 2007
• Yamaha 3 Cyl 2.638 Bore 50 – 2008
• Yamaha 3 Cyl Jet 40 – 1991
• Yamaha 3 Cyl Jet 40 – 1992
• Yamaha 3 Cyl Jet 40 – 1993
• Yamaha 3 Cyl Jet 40 – 1994
• Yamaha 3 Cyl Jet 40 – 1995
• Yamaha 3 Cyl Jet 40 – 1996
• Yamaha 3 Cyl Jet 40 – 1997
• Yamaha 3 Cyl Jet 40 – 1998
• Yamaha 3 Cyl Jet 40 – 1999
• Yamaha 3 Cyl Jet 40 – 2000
• Yamaha 3 Cyl Jet 40 – 2001
• Yamaha 3 Cyl Jet 50 – 1991
• Yamaha 3 Cyl Jet 50 – 1992
• Yamaha 3 Cyl Jet 50 – 1993
• Yamaha 3 Cyl Jet 50 – 1994
• Yamaha 3 Cyl Jet 50 – 1995
• Yamaha 3 Cyl Jet 50 – 1996
• Yamaha 3 Cyl Jet 50 – 1997
• Yamaha 3 Cyl Jet 50 – 1998
• Yamaha 3 Cyl Jet 50 – 1999
• Yamaha 3 Cyl Jet 50 – 2000
• Yamaha 3 Cyl Jet 50 – 2001

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Water Pump Impeller Yamaha 25 - 60 Hp OEM# 18-3068 – 700-415
• Water Pump Service Kit Yamaha 40 / 50 Hp 3 Cylinder 84-91 OEM# 18-3429 – 725-415
• Water Pump Service Kit Yamaha 40 - 60 Hp OEM# 18-3434 – 725-420-01
• Water Pump Kit Complete Yamaha 40 - 60 Hp OEM# 18-3415 – 750-420-01

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.