Size:Outer diameter 107mm/4.22",Mounting hole 40mm/1.58". Replacement for YZF R25 YZF250 A R25 2020 YZF R3 YZF320 A R3 2019 2020 2021 MTN250 A MT25 MT 25 2020 2021 MTN320 A MT03 MT 03 2020 2021. Works for engine starter and power generation for battery.Easy installation,stronger power,stronger high pressure,more stable spark,and sensitive throttle.. High level of laminate and copper winding,designed to produce optimal output power.High hardness,rust-proof,anti-corrosion,not easy to deform,durable and practical..
