How big should the jetting be on a Harley?
If your stock jet was a #42 the next size larger will be #44 or #45. Only increase the jet sizing one size at a time to avoid an overly rich idle. An EZ-Just mixture screw will also assist in fine tuning once you have the correct jetting.
Where is the jet size stamped on a Harley?
The jet size is stamped into the top of the jet (i.e. 42). Be careful not to strip the head of the jet. With a flat head screwdriver unscrew the Main Jet from the brass needle jet holder (aka Emulsion Tube).Note the jet size stamped into the top of the jet (i.e. 165). There is no need to remove the emulsion tube unless required for cleaning.
How big is a Harley Davidson pilot jet?
This of course assumes that you are starting out with the stock jet size. Harley Davidson Pilot Jets for CV Carburetors are normally sold in sizes 40, 42, 45, 48, 50, and higher.
What should I replace my Harley Davidson pilot jet with?
Replace the Pilot Jet with one size larger. This of course assumes that you are starting out with the stock jet size. Harley Davidson Pilot Jets for CV Carburetors are normally sold in sizes 40, 42, 45, 48, 50, and higher. A Stage 1 Carb Kit will normally offer you a proper range of jets for your particular model.
The jet size is stamped into the top of the jet (i.e. 42). Be careful not to strip the head of the jet. With a flat head screwdriver unscrew the Main Jet from the brass needle jet holder (aka Emulsion Tube).Note the jet size stamped into the top of the jet (i.e. 165). There is no need to remove the emulsion tube unless required for cleaning.
If your stock jet was a #42 the next size larger will be #44 or #45. Only increase the jet sizing one size at a time to avoid an overly rich idle. An EZ-Just mixture screw will also assist in fine tuning once you have the correct jetting.
How do you adjust idle speed on a jetting engine?
This can be done by tilting the carburetor until the float tab just makes contact with the valve pin. If adjustment is needed, bend the metal tab on the float arm until correct height is obtained.–see example #1 Set idle speed to proper r.p.m, by adjusting the IDLE SPEED SCREW.
How to adjust jetting tuning for Best Performance?
Start adjusting by turning the HIGH SPEED SCREW until the best performance is achieved. Then, check number of turns on the screw. If the screw is adjusted all the way in, install a smaller MAIN JET. If the screw is out more than three turns, install a larger MAIN JET.
What do you need to know about Dynojet jet kit?
Dynojet Jet Kits increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy. Each Dynojet Jet Kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time.
How many Jets does a Harley Davidson have?
I’ve followed your video and took the carb apart and cleaned it but it makes no difference. The bike has a big sucker air cleaner and screaming eagle open exhaust and I noticed the pilot jet was a 42 and the main is 165. My clymer manual states that I should have 65 pilot and 190 main.
How big is a 42 intermediate jet Harley?
A 42 intermediate jet is .042″. That is a common, stock size, slow jet. You will typically want to up-jet, even if you still have your stock pipes/mufflers & air cleaner assembly. You should also remove your mixture screw plug, if it has not been already removed. Here in Southern Illinois a #48 pilot and #170 main works great.
What kind of jet does a Harley Davidson use?
American made jets for Harley-Davidson carburetors. Precision American made main jets for Harley CV and CVK carburetors. Sizes #170, 175, 180, 185, 190, 195, and 200.CVP jet quality exceeds OEM and imported carburetor jets.Note: Main jets supplied by CVP are sized to original OE specifications from H-D and Keihin.
What should the idle speed be on a Dynojet?
If the throttle is lightly “blipped” at idle, and the rpm “hangs up” before dropping to the set idle speed, and there are no intake leaks and the idle speed is set at less than 1000 rpm, the mixture screws are probably too lean: try 1/2 turn out, to richen mixture. Be sure there are no intake leaks and the idle speed is set at less than 1000 rpm!
A 42 intermediate jet is .042″. That is a common, stock size, slow jet. You will typically want to up-jet, even if you still have your stock pipes/mufflers & air cleaner assembly. You should also remove your mixture screw plug, if it has not been already removed. Here in Southern Illinois a #48 pilot and #170 main works great.