516663 Nut, motor sprocket
Fits: 57-E76 XL Sportster; XLH(with compe…
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Specifications
- Brand
- MCS
- Part Number
- 516663
- OEM Reference
- 40386-57
- Pack Quantity
- Sold as ea
- Category
- Sprocket Misc
- VAT Rate
- 20%
About This Product
This motor sprocket nut from MCS is designed for 1957 to early 1976 XL Sportster and XLH models equipped with a compensating sprocket. It is a direct replacement for OEM 40386-57. Securing the compensator assembly is a critical job, as this component absorbs the power pulses from the engine to smooth out the ride. A damaged or over-stretched nut can lead to loosening, which causes noise and potential damage to the crankshaft splines. This nut is precision-machined to ensure a perfect fit and the strength required to keep your primary drive assembly secure under the heavy loads of a Sportster motor.
Manufacturer part number: 516663.
Fitment
5 models57-E76 XL Sportster; XLH(with compensating sprocket)
Sportster 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1975–1978 | Sportster 1000 XLCH-1000 |
| Harley-Davidson | 1975–1978 | Sportster Standard XLH-1000 |
| Harley-Davidson | 1979 | Sportster XLCH-1000 |
XLT Touring 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1977–1980 | Sportster 1000 XLT-1000 |
55CI (883CC) OHV 4 Cycle-Twin 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1980 | Sportster Standard XLH |
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