Yamaha YM-04063-A Crankshaft End Protector

Description:

The Yamaha YM-04063-A / KL-0830D is a crankshaft end protector used in engine service systems to protect crankshaft threads and ends during disassembly and assembly procedures. It is commonly used in Yamaha motorcycle, ATV, and engine rebuild applications where crankshaft removal or installation is required. Maintenance technicians and repair shops purchase this tool to prevent thread damage, ensure proper alignment, and protect critical engine components during service operations.

Applications:

The Yamaha YM-04063-A crankshaft end protector is used in engine service and rebuild environments where crankshafts are removed or installed. It is commonly deployed in motorcycle, ATV, and powersports engine repairs to protect crankshaft threads while using pullers or pressing components, ensuring accurate assembly and preventing costly damage.

Technical Specifications:

• Manufacturer: Yamaha / Kent-Moore / K&L Supply equivalent
• Model: YM-04063-A / KL-0830D
• Product Type: Crankshaft end protector / service tool
• Function: Protects crankshaft threads during removal/installation
• Thread Size: ~14 x 1.5 mm
• Application: Motorcycle, ATV, and engine rebuild service
• Usage: Used with pullers and service tools
• Construction: Hardened steel tool
• Compatibility: Yamaha engines (Virago, XT, Raptor, etc.)
• Installation: Threaded onto crankshaft end
• Duty Cycle: Service / maintenance use
• Status: OEM service tool / widely used

Common Replacements:

• Yamaha YM-33282 crankshaft protector
• Yamaha YM-38145 crankshaft protector
• K&L Supply 35-8504 crankshaft protector