
TECNIUM Cast Piston (Manufacturer reference: 503484)
This cast piston from TECNIUM is designed for motocross riders equipped with 2-stroke engines who are looking for a robust and versatile assembly part. Machined from a silicon-enriched aluminum alloy, it features a cast design intended to maintain its characteristics under demanding competition conditions. Ideal for engine interventions on cylinders with a diameter of Ø 47.00 mm, it complies with the standard compression profile.
Main compatibilities: designed for YAMAHA PW 80 (1997, 1998, 1999) in 80 cc. Before installation, check the cylinder bore, piston-to-wall clearance, and replace rings/pin/circlips if necessary for optimal break-in and maximum longevity.
This product is intended for adjustments and repairs of motocross engines — always replace parts according to manufacturer recommendations and have delicate operations performed by a qualified preparer or mechanic.