Yamaha YZ 450 F (CJ 23) [2019] - Complete Top End Kit - Replica forged pistons

VERTEX Top End Kit for the Yamaha YZ 450 F (CJ 23) from 2019

The VERTEX Top End Kit with replica forged pistons is tailored to the Yamaha YZ 450 F (CJ 23), built in 2019. It bundles the components intended for overhauling the upper engine area in one kit and thus supports a structured renewal of pistons, piston rings and associated seals.

Function and scope of delivery

The forged aluminum piston forms the central component of the kit. For four-stroke applications, the components are assembled to match the specified piston dimensions.

• Forged aluminum piston
• Piston rings as a set
• Piston pin
• safety clips
• Top end gasket kit
• Timing chain, additionally included in four-stroke kits

Technical data

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 96.98 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 97.00 mm
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

The kit is intended for the Yamaha YZ 450 F (CJ 23), built in 2019. The model name, year of manufacture as well as the specified dimensions and oversize D are decisive for the selection.