Add to Cart. Enjoy a boost of horsepower and smoother acceleration. Read More. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. Smoother Power These jet kits give some extreme upgrades in a small package. Customer Reviews 0. Write Your Own Review. Write A Review.
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In order to achieve full function and driveability, Dynojet develops shrouds or cap style nozzles for adjusting the upper or lower top end. They also have an effect similar to fuel injection by breaking up the fuel as it enters the air stream. The needle is designed to give the correct amount of fuel throughout the mid-range and is also designed to allow adjustment from groove 1 to groove 6 with little or no effect below R.
This isolates all circuits from each other and ensures easy set-up of the midrange and driveability. This jet allows air into the emulsion tube to mix with fuel being drawn up from the float bowl. It controls the amount of fuel which can be pulled from the float bowl into the venturi. The larger the size of the main air jet, the more air you get and less fuel. The smaller the main air jet, the more fuel you get and less air. Dynojet alters this only to achieve the flattest possible fuel delivery curve.
Dynojet has found that the engine will idle with the standard pilot jet, with or without the air-box and with the slides and needles removed from the carburetors; therefore we never change the pilot jet. Doing so is proof that you are not using the other circuits correctly. Idle and off idle is controlled by the mixture screws and the float level which have the most positive effect below R.
On some models the pilot air jet is changed to provide optimum fuel economy. Correct balancing of the carburetors also ensures a smooth idle. We develop our main jets to correctly serve two functions; static load and dynamic load. The static load is the fuel received through the main jet in the upper gears, where the tachometer is moving very slow.
The dynamic fueling portion of the main jet is the amount of fuel received from the jet in the mid-range potion of the power. You then install mains. After running the bike you notice the top end has improved but the mid-range doesn't pull as well.
You then install mains and you notice the mid-range is great but the top end is slower. This is a common compromise when using stock main jets and needles. These jet kits give some extreme upgrades in a small package. They increase power and smoothness throughout the entire rev range while maintaining fuel economy. There are multiple kit options from stock commuter motorcycles to race-ready bikes and everything in between. Review this product. Ships in 2 days.
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