| Model | Engine | Year | Standard Plug | Gap (mm) | Iridium Power | Iridium Tough |
|---|---|---|---|---|---|---|
| 100 | Â | 1970 on | W20FPU | 0.7 | IWF22 | |
| S110 | Â | 1970 on | W20FPU | 0.7 | IWF22 | |
| S1100L | Â | 1970 on | W20FPU | 0.7 | IWF22 | |
| S105 | Â | 1970 on | W20FSU | 0.7 | IWF22 | |
| S110 | Â | 1970 on | W20FPU | 0.7 | IWF22 | |
| S100LS Coupe | Â Coupe | W22FPU | 0.7 | IWF22 | ||
| S110R Coupe | Â Coupe | W22FPU | 0.7 | IWF22 | ||
| 1000MB | Â | W22FPU | 0.7 | IWF22 | ||
| 1000MBX | Â | W22FPU | 0.7 | IWF22 | ||
| 1100MB | Â | W22FPU | 0.7 | IWF22 |