Wiseco - Honda XR50 88-03 and CRF50F 04-Present
Standard Bore 11:1 Compression

 Key Features:

1. Forged
   All Wiseco pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
2. Advanced manufacturing techniques
   Diamond turned finish from one of the many cnc computer controlled turning centers guarantees you a perfect finish with no size variation. wiseco pistons can be installed in any of today's cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence.
3. Oversize options
   Wiseco's wide range of oversize pistons increase the life of cast iron lined cylinders.
   With the availability of replacement cylinder sleeves, chrome, nikasil and boron composite cylinders can be resleeved to accept wiseco's oversizes.
4. Computerized
   Wiseco's state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today's market place.

Specifications:

• Wiseco Part #: 4798M03900
• Displacement: 49.5cc
• Bore - Standard: 39.00mm
• Bore - Actual: 39.00mm
• Bore - Oversize: STD
• Stroke: 41.40mm
• Compression Ratio - Actual: 11:1

Application:

• Honda CRF50F - 2004-Present
• Honda XR50 - 2000-2003
• Honda Z50R - 1988-1999