PROX Cast Piston suitable for quads and roadsters, designed for engine restoration. This aluminum piston features a domed head with 2 valve impressions and a Mos2 treated skirt to limit friction during the piston opening/closing phases. Intended for standard applications, it has the nominal diameter for a +0.25 mm installation.

• Manufacturer Reference: 01.2281.025
• Brand: PROX
• Type: Cast piston, standard compression
• Diameter: Ø 66.25 mm (oversize letter 025)
• Material: Aluminum
• Features: Domed head, 2 valve impressions, Mos2 treated skirt

Designed for interventions on quad and roadster engines, this piston is suitable for restorations requiring a +0.25 mm oversize. For a complete reassembly, compatible supplementary parts include:

• Replacement ring: 260271
• Piston pin: 032037
• Circlips: CP1612C
• Needle bearing: 400405

Examples of compatible models: YAMAHA YFS 200 BLASTER 2WD (2005-2006) and YAMAHA DT 200 R (1991). Product delivered as a spare part ready to replace the original piston according to the specified size.