S3 O-Rings Head and End - Gas Gas EC 250/300 Gasket kitRef : SPART00150A / 1117850

High-end gasket kit S3 designed for 2-stroke engines, specially suited for cross and enduro mounts. This kit includes the sealing elements necessary during a top-end overhaul: cylinder base gaskets, cylinder head O-rings, and exhaust gasket (with copper washer depending on the model).

• Usage: 2-stroke engine (top-end)
• Contents: base gaskets, head O-rings, exhaust gasket (copper washer depending on model)
• Brand: S3 — specific quality motorcycle parts
• Manufacturer reference: GA-GG-EC

Ideal for maintenance work or refurbishment after disassembly of the cylinder and head. The parts in the kit replace worn gaskets to restore proper sealing between the cylinder, head, and exhaust, which is essential for the clean operation of the 2-stroke engine.

Notable compatibilities: GAS GAS EC 250/300 (among others), and used on similar models like RIEJU MR 300 RACING and MR 300 PRO. Check the model and year before ordering to ensure compatibility with your machine.