O - Ring Crankshaft - Yamaha 9.9-50 HP / 500 / 650 OEM# 93210-57M09-00 | WSM 527-81

O-Ring Crankshaft Yamaha 9.9 - 50 Hp / 500 / 650 84-21 OEM# 93210-57M09-00

This WSM o-ring crankshaft is a quality aftermarket replacement part designed for Yamaha 2 Cyl 2.205 Bore 9.9 and 14 other compatible models.

It replaces selected OEM reference numbers including 93210-57M09-00, 93210-58M21-00 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 16 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 527-81
• Product: O-Ring Crankshaft
• OEM Reference: 93210-57M09-00, 93210-58M21-00
• Application: Yamaha 2 Cyl 2.205 Bore 9.9 and 14 other compatible models

Product Fitment

This part is suitable for the following models:

• Yamaha 2 Cyl 2.205 Bore 9.9 – All Years
• Yamaha 2 Cyl 2.205 Bore 4 Stroke 15 – All Years
• Yamaha 2 Cyl 2.835 Bore 25 – All Years
• Yamaha 2 Cyl 2.835 Bore 30 – All Years
• Yamaha 2 Cyl 4 Stroke 15 – All Years
• Yamaha 2 Cyl 4 Stroke 20 – All Years
• Yamaha 2 Cyl 4 Stroke 9.9 – All Years
• Yamaha 3 Cyl 2.638 Bore 40 – All Years
• Yamaha 3 Cyl 2.638 Bore 50 – All Years
• Yamaha Yamaha – All Years
• Yamaha 3 Cyl Jet 50 – All Years
• Yamaha Wave Jammer 500 – All Years
• Yamaha Wave Runner 500 – All Years
• Yamaha Wave Runner III 650 – All Years
• Wave Runner LX 650 – All Years
• All Years

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.

About the Yamaha 650 Engine

The Yamaha 650 engine is a proven two-stroke WaveRunner platform known for simple design, easy serviceability and dependable recreational performance. It powered many early Yamaha personal watercraft and remains a common engine for restoration, maintenance and entry-level PWC use.

You May Also Need

Browse related parts for compatible models:

• Drain Plug Gasket Mercury / Mariner / Yamaha 2 - 350 / 500 - 700 - Pack of 50 OEM# 27-81987 – 555-10
• Fuel Filter Mariner / Yamaha 9.9 - 225 Hp OEM# 18-7781 – 600-279
• O-Ring Crankshaft Yamaha 2.5 - 20 / 75 - 115 / 300 / 350 Hp 94-22 OEM# 93210-207A0-00 – 527-113
• Fuel Filter Assembly Mariner / Suzuki / Yamaha 8 - 90 Hp OEM# 15410-93401 – 600-289

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