Oct 4, 2018 · Congratulations on your purchase of the JRC flat slide carburetor. This carburetor has been developed to give better starting, engine performance, and throttle control for your classic motorcycle. The procedure to install it, depending on the level of experience of the installer, takes approximately 60 minutes to perform.

Keihin PWK SERIES FLATSLIDE CARBURETORS (for repair parts and accessories see link lower in page)

NIBBI PWK 26MM Carburetor with Three Main Jets and One Pilot Jet of Performance Racing Carburetor for Replace Keihin or Mikuni Carburetors (PWK-26MM)

PWK Features. Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM. Throttle bores sized to give maximum power. Easy jetting with jetting parts available. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages; PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.

The carburetor is a fundamental part of a internal combustion engine which you don't have to be a wizard to understand. Learn the basics of how a PWK Flat slide style carb works, what you need to...

NEEDLE: The jet needle is the most important component in determining your carburetors jetting. The needles function has a large effect on the carburetors jetting from ¼ to ¾ throttle. In the following paragraphs we will explain the needles functions and how to adjust them.

Boost your engine's efficiency with our PWK Carburetor. Experience unmatched power & smooth riding. Shop now for the ultimate upgrade!

In this section of our site, you will find all parts related to the iconic "JRC" PWK flat slide carburetor from slides, main jets, pilot jets, filters, rebuild kits and so much more.

On FCR carbs the main jet, slow jet, jet needle, air adjustment, slow jet air adjustment and gas valve are different and located elsewhere. If you do not desire any idle make sure you turn in the adjusting screw just enough so the engine will not idle.

Featuring a chrome plated D-shape cross section slide and a conventional idle speed adjuster, PWK sets the modern standard for two-stroke carburetor performance. Available in 28, 33, 35, 36, 38, and 39mm throttle bores, there's a PWK carb for nearly any two-stroke engine configuration.