Vertex Big Bore OS Engine Rebuild Kit Honda TRX400EX Sportrax 2000-2004

Vertex Big Bore OS Engine Rebuild Kit

Vertex's OS Engine Rebuild Kits come fully packed with an oversized piston (+0.5-3.0mm larger than OE piston diameter) in addition to all the necessary parts and gaskets for a comprehensive engine rebuild or refresh. These kits can potentially save, on average, $400 in comparison to buying OEM components and between 7-15% when compared to purchasing aftermarket rebuild components separately. Helping to save money, down time and effort.

Please note, these kits necessitate cylinder wall honing, machining and re-plating depending on the application and kit size.

Includes: 

• Vertex piston kit (larger diameter than OE piston size)
  • Standard compression piston, rings, pin and clips
• Hot Rods heavy-duty crank
  • Stock stroke
  • On two-stroke applications, includes wrist pin bearing
• Hot Rods main bearing / seal kit
• Hot Rods transmission bearing kit
  • Includes transmission bearings, output shaft collar and sprocket lock washer
• Hot Rods counter balancer bearing kit
• Hot Rods water pump bearing and seal kit
• Vertex complete gaskets kit
  • Including seals and O-ring kit (covers top and bottom)
• Hot Cams cam chain 

Note: OS Engine Rebuild Kits require cylinder wall honing, machining and / or re-plating depending on application and kit size. Images for reference only. Kit contents vary with machine and application.