
Valve Stem Seal Kit by MOOSE OFFROAD HARD - PARTS, designed for motocross and enduro engines. This set includes the necessary parts to ensure sealing around the valve stems, with contact surfaces designed for optimized sealing. Ideal for engine maintenance during a cylinder head overhaul or preventive replacement on trails and competition machines.
The kit includes a complete set of five pieces: 3 intake seals and 2 exhaust seals — suitable for common 4-stroke cylinder heads on 250 cm3. Manufacturer reference: M80-80440. Compatible motorcycle examples: YAMAHA YZ 250 F (2013), YAMAHA WR 250 F (2013), YAMAHA YZ 250 F (2009). Installation by a mechanic or enthusiast in the workshop; check the model and year before installation to ensure compatibility with your cylinder head.