Yamaha 59W-1131J-01-00 Joint #2 59W1131J0100

Description:

The Yamaha 59W-1131J-01-00 joint #2 is used in motorcycle cylinder head sealing systems. Commonly installed in Yamaha TZ250 and similar two-stroke engines where sealing between cylinder head components is required. Maintenance teams, engine rebuilders, and motorcycle technicians use this part for gasket replacement, engine repair, and restoration of proper sealing integrity.

Applications:

The Yamaha 59W-1131J-01-00 is used in motorcycle engine systems to provide sealing within the cylinder head assembly, preventing leakage of combustion gases and maintaining proper pressure. It is widely applied in racing motorcycles and high-performance two-stroke engines where precise sealing, thermal resistance, and engine efficiency are critical. This component is typically located within the cylinder head assembly as part of the internal sealing structure.

Technical Specifications:

• Compatible with Yamaha TZ250 (1988–1989 models and similar configurations)
• Product type: Engine joint / sealing gasket (Joint #2)
• Function: Provides sealing within cylinder head assembly
• System role: Prevents leakage of combustion gases and maintains pressure
• Mounting: Installed within cylinder head internal structure
• Material: Heat-resistant gasket/sealing material (OEM specification)
• Application: Two-stroke motorcycle engine systems
• OEM part number: 59W-1131J-01-00
• Design: Precision-fit sealing component for engine integrity
• Status: Discontinued / limited availability (OEM legacy part)

Common Replacements:

• Yamaha 59W-1131J-00-00
• Yamaha 29L-1131J-00-00
• Yamaha 66E-1131J-10-00