Wossner Set of Ø85.50 Piston kitRef : WO00388A / 1125788002

WÖSSNER Forged Piston Kit (Manufacturer part number: 4014DB) — designed for motocross, this kit includes everything necessary to replace the piston-cylinder assembly on your 4-stroke engine. Forged aluminum piston, standard compression, delivered ready to install.

Main features:

• Bore diameter: 88.01 mm
• Piston diameter: Ø 87.97 mm (oversize letter: B)
• Piston compression: Standard
• Material: forged aluminum

Each kit includes pistons, rings, pins, and retaining clips. Spare parts included with the kit:

• Ring: TPR88.00
• Clip: CW18
• Pin: WP072-SP

This kit is aimed at riders and mechanics looking for a quality wear part for their motocross displacements. The specified tolerances (bore ø 88.01 mm / piston ø 87.97 mm) allow for proper installation on engines designed for this oversize B. Installation and inspection according to manufacturer recommendations are advised.

Compatible motorcycles (examples):

• BETA RR 390 4T RACING (2024 - 390 cm³)
• BETA RR 390 4T (2024 - 390 cm³)
• BETA RR 390 4T ENDURO RACING (2019 - 390 cm³)

Manufacturer reference: 4014DB