Wiseco Big Bore Kits

 TRX400EX

• Displacement - 440cc
• Bore size - 4.00"
• Compression ratio - 12.5:1
• Cylinder sleeving required
• Kit Includes: Piston, rings, wrist pin, circlips, gasket kit and sleeve

• Displacement - 440cc
• Bore size - 3.720" or 94.5mm +4.5mm oversize
• Stroke - 62.6mm
• Kit Includes: Piston, rings, wrist pin, circlips, gasket kit and a 94.5mm Nikasil lined cylinder

• Displacement - 499cc
• Bore size - 99mm"
• Compression ratio - 12.5:1
• Kit Includes: Piston, rings, wrist pin, circlips, gasket kit and a 99mm Nikasil lined cylinder
• Available only for the '04-05

• Displacement ‘04-05 - 470cc, Displacement ‘06-07 - 480cc
• Bore size - 98mm"
• Compression ratio
  
  • ‘04-05 - 12.5:1
  • '06-07 - 11.4:1
• Kit Includes: Piston, rings, wrist pin, circlips, gasket kit and a 99mm Nikasil lined cylinde