What is power jet carburetor?

What is power jet carburetor?

With power jet carbs, the main jet is typically smaller than on the equivalent stock carb as the power jet will add fuel to the high end throttle openings. From three-quarters to full-throttle openings, the power jet primarily controls the fuel flow.

What are the 3 jets in a carb?

In this post I’ll explain the process of rejetting your carburetors in 3 simple steps: Main adjustment (main jets) Fine adjustment (gas needle + air adjustment) Stationary adjustment (air screw / fuel screw)

Does main jet affect idle?

main jet has no effect on idle. you can remove the main jet completely and it will still idle just like it did.

Do primary jet affect idle?

As far as jetting goes, the jet size will not affect idle, as the jets don’t come into play until the carb transitions to the primary circuit, unless the throttle blades are open far enough to expose the transfer slot.

How many Jets does a JRC PWK CARB have?

The 26mm Amal has smaller threads so a larger filter will have to be sourced. (also available from JRC Engineering, please see website or catalog for details). The carburetor comes with extra jets, a pilot and four main jets. The jets can be changed easily whilst the carburetor is mounted in place on the bike.

Can a Keihin PWK jetting work under light load?

If you set your jetting for perfectly clean operation with absolutely no stuttering under very light load (such as very slowly rolling on the throttle on flat smooth conditions) you are probably giving up a bit of power or grunt, especially at the low end.

What kind of throttle valve does PWK use?

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. PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.

How big is a PWK carburetor jet needle?

PWK Carburetor Standard Jetting SIZE Main Jet Slow Jet Jet Needle Thr. Valve PWK 38MM 71R #172 #58 48DEG C.A. 6.0 PWK 39MM 72R #160 #60 48DGH C.A. 6.0 PWK 35MM S65 #160 #48 48DEK C.A. 4.5