Engine Spark Plug Data
For
Information Only
Thanks to Bill in Northern Indiana for helping update the 775 engine information!
Again, as everything in this site, for information only. Always check with your local ski-doo dealer for the correct information.
Chart Below is Still Under Construction
| Engine | Model | Cyl's | Bosch | Champion | NGK |
| Kohler | K141 | 1 | ? | ? | ? |
| JLO | L152 | 1 | M225T1 | UK10 | A-6 |
| Rotax | 165 | 1 | M175T1 | UK10 | A-6 |
| JLO | L197 | 1 | M225T1 | UK10 | A-6 |
| Rotax | 247 | 1 | M240T1 | K57R | A-6 |
| Rotax | 250 | 1 | M240T1 | K57R |
A-6 (10.5 HP) |
| Rotax | 290 | 1 | M280T1 | ? | A-7 |
| Rotax | 292 | 1 | M280T1 | ? | A-7 |
| Rotax | 300 | 1 | M240T1 | K57R |
A-6 (12 HP) |
| Rotax | 302 | 1 | M240T1 | K57R | A-7 |
| Rotax | 320 | 1 | M240T1 | K57R | A-7 |
|
(*) NOTE: T'NT models should use Bosch MT80T31 spark plug. |
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| Rotax | 335* | 1 | M240T1 | ? | A-8 |
| Rotax | 337* | 1 | M240T1 | ? | A-8 |
| Rotax | 340* | 1 | M240T1 | ? | A-8 |
| Rotax | 342* | 1 | M240T1 | ? | A-8 |
| Rotax | 343 | 2 | W260T1 | L78 | ? |
| Rotax | 370 | 2 | W225T1 | ? | B-7HS |
| Rotax | 371 | 2 | W240T1 | ? | B-7HS |
| Rotax | 400 | 2 | W260T1 | L78 | B-7HS or B-8HS |
| Rotax | 401 | 2 | W240T1
14 mm plugs M240T1 18 mm plugs |
? | ? |
| Rotax | 434 | 2 | W240T1 | ? | ? |
| Rotax | 435 | 2 | M280T1 | ? | ? |
| Rotax | 640 | 2 | M280T31 | ? | A-7 |
| Rotax | 641 | 2 | M280T31 | ? | A-7 |
| Rotax | 771 | 2 | M310T1 | ? | A-8 |
| Rotax | 775 | 2 | M310T1 | #506 | A-8 |