Yamaha 447-11638-00-00 Piston

Description:

The Yamaha 447-11638-00-00 Piston is used in engine combustion systems to convert fuel energy into mechanical motion through controlled reciprocating movement within the cylinder. Commonly installed in Yamaha motorcycles and small engine assemblies where oversize piston fitment is required to restore cylinder clearance, maintain compression, and support efficient combustion performance. Maintenance teams and system integrators use this part for replacement, repair, or overhaul to rebuild worn engines, restore power output, and ensure reliable long-term operation.

Applications:

The Yamaha 447-11638-00-00 Piston is applied in motorcycle engine rebuild and maintenance operations, particularly in reconditioned engines requiring oversize piston components. It is commonly used in repair and overhaul projects requiring OEM-compatible piston replacements.

Technical Specifications:

• Manufacturer Part Number (MPN): 447-11638-00-00
• Brand: Yamaha
• Product Type: Piston (Oversize +1.00)
• Material: Aluminum alloy (OEM grade)
• Function: Converts combustion force into mechanical motion
• System: Engine combustion system
• Size: Oversize +1.00 mm
• Design: Precision-machined piston body
• Compatibility: Yamaha motorcycles (model-specific fitment)
• Heat Resistance: High-temperature alloy construction
• Installation: Internal engine assembly

Common Replacements:

• Yamaha 447-11631-00-00 Piston (Standard)
• Yamaha 447-11636-00-00 Piston (+0.50)
• Yamaha 447-11639-00-00 Piston (+1.50)