Prox Casted Piston kitRef : PRO00279A / 1095325001

PROX Cast Piston (Manufacturer reference: 01.2107.C) — replacement part designed for Cross displacements. This aluminum piston, with a cast finish, is aimed at riders looking for a replacement part that adheres to manufacturer specifications for their YZ 80.

• Compression: Standard
• Diameter: Ø 45.95 mm (oversize letter: C)
• Material: Aluminum
• Specifications: Domed head, 2 lubrication holes on the exhaust side skirt

Designed for installation on Cross engines, this piston accepts associated ring sets and accessories. Its skirt features holes on the exhaust side to promote local lubrication in accordance with original engine designs. The C size indicates the precise oversize corresponding to cylinders reworked to Ø 45.95 mm.

• Replacement rings: 260217
• Piston pin: 032020
• Circlips: CP1410C
• Needle bearing: 400412
• Top-end gasket kit: 604086

Main compatible motorcycles (examples): YAMAHA YZ 80 LW BIG WHEELS 19/16 (2000-2001), YAMAHA YZ 80 (2001). Check the engine size and reference before installation. Product delivered without accessories; professional installation recommended to ensure proper piston/ring clearance.