Mikuni outs two new Performance Carburetor Kits based on their acclaimed HSR42 units. While the carb is basically the same unit, it's the back plates and mounting parts which make the difference. The ...

Mikuni American's popular HSR42mm Series Smoothbore Carburetors are available in easily installed "Easy Kits" for all late model Harley-Davidson and other American V-Twin applications. Included are ...

When it comes to carburetor tuning, there is literally "no substitute for experience." The most successful tuners possess a near-instinctual "feel" for fuel system problems, based on their years of ...

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Carb tuning is a familiar procedure to old racers, something practiced from an early age, when anyone with a good ear and a screwdriver would put a tune to their wheels on a Saturday afternoon. These ...

Modern fuel injection is amazing, but before injectors, ECUs, and fuel pumps motorcycles used carburetors. Some smaller bikes and two-strokes still do. Today on MC Garage we talk about the carburetor.

Forget throttle tip-in, driveability, and vacuum at idle. Set the thing on Kill Mode via thimble-sized fuel jets, disregard the power valve, and let the carburetor dump as much fuel as possible down ...

For more than 50 years, the classic Holley 4150-style four-barrel has remained a constant presence in the automotive world, as it evolved into almost countless versions for OEM and aftermarket ...