Harley Davidson Sportster

HSR42 Mikuni 1200 Sportster / Buell carburetor kit. This kits adds roughly 25% more power to your bike combined with an exhaust and free flowing air filter.  Stock Horsepower is around 57 and this kit will increase to around 72 with a pipe and...

  Mikuni offers two different HSR42 Performance Sportster Carburetor Kits for replacing the under-performing OEM Harley CV carbs. This kit is for use on motorcycles still fitted with the stock plastic air-filter backing plate, where on some earlier...