
TECNIUM Ring Set Ø47.75mm Yamaha / BW80 (manufacturer reference: PSR-YB80-075) — a ring set designed for the refurbishment of light cross and motocross engines. This Tecnium kit is aimed at riders who want to restore piston sealing without replacing the entire cylinder-piston assembly.
The rings ensure the connection between the piston and cylinder: their proper sealing is essential for compression, throttle response, and a strong start. Ideal for targeted refurbishment of your PW80 or for replacing worn rings after long off-road sessions. Before installation, check the condition of the piston and bore; a heavily scored cylinder requires additional treatment.
Main compatibilities: YAMAHA PW 80 (2009, 2010, 2011 - 80 cc). A practical spare part for regular maintenance, this Tecnium ring set allows you to seriously upgrade the engine core while maintaining the racing philosophy of small displacement cross bikes.