Forged piston by ATHENA developed for 4-stroke engines intended for quads. Made from forged aluminum, it provides a robust replacement part, precisely machined to meet bore tolerances and piston-ring clearance. ATHENA is recognized for its expertise in thermal groups and offers here a standard compression piston, suitable for original applications.
- Manufacturer reference: S4F09800004A
- Brand: ATHENA
- Type: Forged piston
- Diameter: Ø 97.94 mm
- Compression: Standard
- Oversize letter: A
- Material: Aluminum
- Oversize: STD
Ideal for quad riders looking for a reliable and carefully machined wear part: the skirt, head, and lubrication path meet the requirements of engine builders. This piston is suitable for the applications listed below; it is particularly well-suited for the 450 cc engines of the mentioned YAMAHA YFZ models.
- YAMAHA YFZ 450 R SPECIAL EDITION 2WD (2018)
- YAMAHA YFZ 450 R 2WD (2018)
- YAMAHA YFZ 450 2WD (2013)
Installation advice: check the condition of the cylinder and bore, verify the compatibility of the rings and tolerances before installation. For optimal installation and peace of mind, have the installation done by a professional or follow the manufacturer's recommendations.
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