VERTEX Forged Big Bore Piston — manufacturer reference 23274A

Designed for off-road use, this VERTEX Big Bore forged piston is aimed at motocross riders looking for a robust engine part sized for a bore-up to 80.00 mm. Made from aluminium, it features a precision-machined finish (piston Ø 79.960 mm) and a letter of oversize A to fit re-bored cylinders. Compression: standard.

• Type: forged piston
• Material: aluminium
• Bore diameter (mm): 80.00
• Piston diameter (mm): 79.960 (Ø 79.96)
• Oversize: A
• Compression: standard
• Category: Motocross

This piston is intended for engines that have undergone a bore-up for Big Bore conversion. Its precise machining facilitates assembly with appropriate rings and pin; care should be taken to follow the mounting recommendations and manufacturer tolerances during installation. Ideal for refurbishment or mechanical preparation on the 250 cm3 machines listed below.

• KTM 250 EXC-F SIX DAYS (2013)
• KTM 250 EXC-F (2013)
• KTM 250 SX-F FACTORY EDITION KEN ROCZEN (2012)

Brand: VERTEX — reference: 23274A