DR-Z 400 (00-04); DR-Z 400 E (00-07); DR-Z 400 S (00-22); DR-Z 400 SM (05-22); KLX 400 R (03-04)
- Uses Vertex #23550
- Compression Ratio 13.5:1
- Cylinder Diameter 90 mm
- Cylinder Kit Type Standard Bore High Compression
- Displacement 400 cc
- Engine Type 4-Cycle
- Includes Cylinder, Piston Kit, and Top-End Gasket Kit