28105-KNBN-901
Fits 8 KYMCO model-years, including MONGOOSE 110i (2025) and Mongoose 90S (2016~).
- Part number
- 28105-KNBN-901
- Also written
- 28105KNBN901
- Factory name
- SHAFT START REDUCTION
$37.41
US shipping, calculated at checkout · Special orders come from KYMCO’s US distributor · 14-day returns & fitment guarantee
What this part is
Shaft Start Reduction is the component KYMCO's factory catalogue lists under number 28105-KNBN-901, in the engine group. It is drawn on the E06 Starting Motor●Oil Pump exploded view, and the table below lists every model-year that takes it.
Fits these KYMCO models
| Model | Years | Factory code | Diagram | Callout | Qty |
|---|---|---|---|---|---|
| MONGOOSE 110i | 2025 | LE22AA(US) | E06 Starting Motor●Oil Pump | 6 | 1 |
| Mongoose 90S (2016~) | 2016+ | LE20BB(US) | E06 Starting Motor●Oil Pump | 6 | 1 |
| MONGOOSE 90S (2021) | 2021 | LE20BL(US) | E06 Starting Motor●Oil Pump | 4 | 1 |
| Mongoose 90S(2018) | 2018 | LE20BE(US) | E06 Starting Motor●Oil Pump | 6 | 1 |
| Mongoose 90S(2019) | 2019 | LE20BG(US) | E06 Starting Motor●Oil Pump | 6 | 1 |
| MONGOOSE 90S(2020) | 2020 | LE20BJ(US) | E06 Starting Motor●Oil Pump | 5 | 1 |
| MONGOOSE 90S(2020) | 2022 | LE20BM(US) | E06 Starting Motor●Oil Pump | 4 | 1 |
| MONGOOSE 90S(2022) | 2022 | LE20BN(US) | E06 Starting Motor●Oil Pump | 4 | 1 |
See it on the diagram
Often needed for the same job
Not sure it’s yours?
- Check the callout number: on the diagram above, 28105-KNBN-901 is the part at the callout numbers listed in the table.
- Decode your VIN to land on the exact model, year and colour KYMCO built for you.
- Still unsure? Email us the number and your VIN and we will confirm the fit.