| Engine | Yanmar® Ignition Key Part Number | |
| YSE | The original key is no longer available as a key alone. You must order a switch and key combination, part number: 106100-77620 | |
| SVE SB YSB 2QM20 3QM30 |
The original key is no longer available as a key alone. You must order a switch and key combination, part number: 123482-91251 | |
| YSM 2QM15 1GM 2GM 3GM 3HM 3HMF 1GM10 2GM20 3GM30 3HM35F |
124070-91290 2 - pole switch, push button start |
|
| 2QM20 3QM30 4JHE 3JH3 Series 4JH-HTE 4JH-DTE |
123482-91291 3 - pole switch - late style |
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