PISTON KIT 50cc 40.00mm, PROX 01.1010.100 -GW0- / -GW2

This ProX forged piston kit with a 40.00mm bore is an oversized (+1.00mm) replacement suitable for a wide range of small-capacity two-stroke motorcycles and scooters. Manufactured using the same low-expansion, low-friction alloy as OEM pistons, it offers high-quality performance at an economical price. The kit includes the piston, rings, circlips, and gudgeon pin; the little end bearing must be purchased separately. Cylinder clearance should be checked before ordering.

Features

• Manufactured from OEM-grade low-expansion, low-friction alloy

• Designed for performance and durability in two-stroke engines

• Includes piston, rings, circlips, and gudgeon pin

• Economical replacement for original piston

• Little end bearing not included

Specifications

• Bore: 40.00mm (+1.00mm Oversize)

• Part Number: PROX 01.1010.100

• Cross-Reference: GW0 / GW2

• Engine type: 2-Stroke

Cross-Reference OEM Part Numbers

• 56-W9850.100.PX

• PROX 01.1010.100

Vehicle Fitments

• Honda Dio 50 (1950–2014)

• Aprilia Classic 50 (1950–2014)

• Aprilia RS 50 (1950–2005, 2009–2014)

• Aprilia RX 50 (1950–2014)

• Aprilia MX 50 (1950–2014)

• Daelim Message II (1950–2014)

• Daelim S-Five (1950–2014)

• Daelim Tapo (1950–2014)

• Honda Bali 50 (1950–2014)

• Honda De Luxe 50 (1950–2014)

• Honda New Tact 50 (1950–2014)

• Honda SRX 50 Shadow (1950–2014)

• Honda Y8R S/X 50 (1950–2014)

• Ibeston CL-QT-A 50 (1950–2014)

• Kymco DJ 50 (1950–2014)

• Kymco KB 50 (1950–2014)

• Kymco People 50 (1950–2014)

• Kymco Scout 50 (1950–2014)

• MBK X Power 50 (1950–2014)

• Moto Hispania Furia 50 (1950–2014)

• Moto Hispania RX 50 (1950–2014)

• Rieju Drac RR 50 (1950–2014)

• Rieju Racing 50 (1950–2014)

• Rieju RR 50 (1950–2014)

• Rieju Spike 50 (1950–2014)

Additional Model Fitments by Year

• 1990 Yamaha TZR50

• 1994–2006 Honda Dio SR (SK50)

• 2001 Daelim Message 50

• 2004–2005 Aprilia RX 50

• 2007–2010 Daelim S Five

• 2009–2010 Kymco Super 9 50