Harley Davidson HSR42-7 Mikuni Carburetor EVO Kit 1340 Big Twin Evolution (1990-99) CV Replacement Kit

        Installation instructions >>>

 Link to PDF >> HSR42 42-7 42-18 Installation Instructions-

HSR42 Mikuni Big twin carburetor kit. This kits adds roughy 25% more power to your bike combined with an exhaust and free flowing air filter. Mikuni Kit #42-7, 001-602.

Stock Horsepower is around 57 and this kit will increase to around 72 with a pipe and filter. Huge gains. Torque also increased from 70 to over 80 FT pounds.

This is the best way to make that 1340 get up and go! Specially designed to work with your original Harley  Davidson Intake Manifold, choke cable, air cleaner and throttle cables.

 Can also be used with aftermarket filters designed for the stock CV carb by using our simple adaptor.     

This simple carb swap is the easiest and best way to improve performance on your Big twin. Dramatic increase in throttle response and acceleration. 

Kit includes 

**Original Mikuni HSR42 Carburetor,

**Airbox adapter

**chrome cover.

*If you have questions about what HSR kit you need or want to request one for your bike Contact us  and we will help you out. 

1340 Big twin Evolution ( 1990-1999) and those listed below.