VERTEX’s Complete Big‑Bore Cylinder & Piston Kits deliver precision‑engineered performance upgrades for a range of high‑output engines. Designed for the HARD PARTS (Engine Internals & Valvetrain) segment, each kit combines a machined cylinder and matching piston to increase displacement while maintaining the original engine’s structural integrity and reliability.
The kits are offered in multiple configurations to suit specific applications, including HON, SUZ, SUZ WR101‑102, KAW WR101‑138, YAM WR101‑147, and KAW WR101‑011, with two additional options available. Selecting the appropriate configuration ensures a direct fit for the intended engine model, providing riders with a straightforward path to enhanced power output without the need for extensive custom machining.