What should I do if my jet engine is leaning?
If the motor is back firing at decel this is a good indication the pilot jet is to lean. Try richening up the fuel mixture by turning the fuel screw out or the air screw in to allow more fuel. Any more than 3 turns out go one size larger on the pilot jet.
How big of a pilot jet do I need to fix lean back?
In most cases screw adjustments won’t correct the lean back firing, installing a one size larger pilot jet will do the trick for higher elevations (Colorado). Carburetor diameter (12mm) x 5 = 60 (or number it calculates) x 0.9 = sea level jet size
How big should the jetting be on a Harley?
Correct jetting depends on air cleaner, exhaust, motor, ignition. Your Twin Cam should not have anything smaller than a 48 intermediate & 180 main. With a stock air cleaner & exhaust & proper tire preasure & 93 octane, you will get the best possible gas mileage. https://www.fixmyhog.com/video-index/ Yes. S&S carburetors are excellent. Easy to tune.
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.
Correct jetting depends on air cleaner, exhaust, motor, ignition. Your Twin Cam should not have anything smaller than a 48 intermediate & 180 main. With a stock air cleaner & exhaust & proper tire preasure & 93 octane, you will get the best possible gas mileage. https://www.fixmyhog.com/video-index/ Yes. S&S carburetors are excellent. Easy to tune.
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.
Why is my Amal jetting engine leaking petrol?
BAD PETROL CONSUMPTION Of a new machine, may be due to flooding caused by impurities from the petrol tank lodging on the float needle seat, and so prevents its valve from closing. Flooding may be caused by a worn float needle valve.
How many pilot does a Harley Davidson jet have?
Thanks, greetings from Italy, Giuseppe Giuseppe, In most of the USA Stock 2004 XL1200 jets are 42 pilot and 170 main. See what you have for sure by removing the float bowl at the bottom of your carb. The numbers will be visible on the jets.