ATHENA Cylinder Kit Ø40mm — Manufacturer Ref. 071900
Designed for urban Honda scooters seeking an upgrade or increase in displacement, this ATHENA thermal group kit comes fully equipped for a clean and durable replacement or mechanical preparation. All necessary mounting parts are included, allowing for a smooth intervention on your engine block.
- Aluminum cylinder treated with nickel-carbide for a wear-resistant surface finish
- Optimized design increasing coolant volume
- High-performance exhaust valves
- Bronze cylinder head dome
- Forged piston with skirts treated with molybdenum disulfide (MoS2)
- Diameter: Ø 40 mm
- Spare parts: Piston 9144DB - Rings 261235 - Top-end gaskets 601018
Delivered complete: piston, rings, clips, pin, gasket set and, depending on the version, cylinder head and exhaust valves. Ideal for interventions on urban scooters where part reliability and machining quality are essential.
Main compatibilities: HONDA SH 50 SCOOPY (AF40), HONDA SFX 50 (AF37), HONDA SJ 50 BALI (AF32) — check the reference and year before ordering to ensure compatibility.