![]() ![]() No Change or Fluctuation with Adjustments – Clogged slow-jet circuits – Clogged transfer ports – Clogged choke circuits – Clogged fuel screw or air jet passages Time to clean that carburetor. ![]() SO, let’s go over some possible outcomes and common problems. Whether you have just swapped in a new jet kit to get more power or you are simply adding some bolt-on upgrades to increase performance, this rule does not change. Ideally, you want your mixture adjustments to be close to the spec setting (2.5 – 3 turns out). Pilot Jet - Keihin - N424-24 Type - 48 SKU 019-065 Color/Finish: Brass Dimensions: 32mm x 5.5mm Pilot Jet/Slow Jet: Size 48 Fits: Keihin CR Special Carbs Material: Brass Product images shown similar model 16. ![]() Knowing how the fuel and air mixture screws impact the air/fuel mixture will help you diagnose what’s going on. For example, let’s say you are adjusting a pilot (fuel) screw. You turn it all the way out from its initial setting to find out that nothing changes or that it only changes when the mixture screw is turned all the way until it bottoms out. Fuel screw), the results of making these changes can tell you a lot about the health of your idle circuit system inside the carburetor. ![]()
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