Can a CVP jet holder be replaced on a Rejet?
If our CVP main jet does not fit (wrong threads) you have a DynoJet tube that must be replaced with a factory tube (jet holder) p/n 27101-88 jet holder, or a CVP Emulsion Tube. Our Tuner Kit and Jetting page includes videos and recommendations. Please refer to your factory service manual for complete installation instructions.
Is the rejetting stock CV carb stock Harley Davidson?
Rejetting stock CV carbs Stock Harley jetting is very lean from just off idle to about ¼-throttle. This is also true of all road-going bikes sold in America for the last quarter century. However – and this is important – at idle and above ¼-throttle the jetting is pretty good.
How to start a 45 pilot CV carb jet?
Most of you time you’re on the needle from 1/4- 3/4 throttle. Here’s a baseline for you to start with….45 Pilot N65C needle (27094-88) a 180 or 185 main and the mixture screw turned out 2 1/2 turns out from gently seated. get the idle circuit dialed in first then work your way up to the main, you’re only fully on the main from 3/4 to WOT.
Where does the needle go on a Harley Davidson jetting?
From about ¼- to ¾-throttle, the taper of the needle controls the main mixture. One normally raises or lowers the needle to fine-tune mixtures within this range. The main jet takes over at about ¾ throttle and is virtually unimportant below that opening.
What do you need to Jetter a Harley Davidson?
Harley carburetor jetting can be accomplished with minimal mechanical knowledge. Tools to perform this task include just a simple set of screwdrivers. You will also need an assortment of jets or a Stage 1 kit . Remove the 4 screws securing the bowl to the base of the carburetor and remove the bowl.
How can I soften the curve on my XL1200 Sportster?
If you fail to do this, the motor will lose power, run hot, and there’s a very real chance you’ll scuff your pistons. Softening the curve and pulling back the final timing will be accomplished via either the EFI tuner (07+ models) or an aftermarket ignition module (86-06 models).
Why does compression drop on a Sportster hammer?
The answer is that in the case of the 1275 at least, absolutely. The reason is that if you’re going to be making breathing improvements, you’ll need new pistons anyway. Making the valves bigger and running more overlap in your cams and running late intake close timing all cause the compression to drop.
How does a Rejet work in a carburetor?
This mist is then sent to the combustion chamber where it is used to create energy that allows the engine to run. The smaller the holes in the jets are, the less fuel is pushed into the air, which makes for a less saturated air/fuel mist that is let into the combustion chamber.