Genuine Yanmar start switch used on GM series engine dashboards. This switch operates the starter and is a direct replacement for the original push button. Product Information Start switch / push button For engine start function OEM Yanmar part Direct replacement Yanmar OEM Part Number 124070-91300 Compatible Yanmar Engines 1GM (7.5 HP) 1GM10 (9 HP) 2GM (15 HP) 2GM20 (18 HP) 2GM20 EU (18 HP) 2GM20 F (18 HP) 2GM20 F EU (18 HP) 3GM (22 HP) 3GM30 (27 HP) 3GM30 EU (27 HP) 3GM30 F (27 HP) 3GM30 F EU (27 HP)