AboutMike Wells Expertise PLEASE READ BEFORE ASKING A QUESTION!!! I CAN ONLY ANSWER QUESTIONS ABOUT HARLEYS !!! I DONT KNOW ANYTHING ABOUT OTHER MODELS!!! I have a Harley only shop with 30 years experience located in Ohio. We specialize in complete and total repair, restoration, hi-performance, and custom bike building. I can work on Flat Heads to Twin Cams. Please, dont ask how much somthing is going to cost to fix. Labor prices differ all over te country as well as shop to shop!
Experience Engine rebuilding (can be shipped),
Trans rebuilding (can be shipped),
Restoration,
Custom bike building
Question Hello agian bud,Mario from OZ here.Mike could you please clear something for me on what dose the mixture screw do when you turn it in or out e.g.which richens or leans.Also what is a good PSI on a 1340 with stage 1 or 2 screaming eagle cams.What and how do you do a bleed down test. Thanks Mike your a Legend.
Answer When turning the mixture screw inward leans the carb and outward richens the carb. One thing to remember, this only applies when the bike is at idle. Above idle the jets take over.
90 or above is good as long as there is not more than 10% difference in pressure on the cylinders.
To do a bleed down test, you first have to remove the spark plugs and have a tester to attach that has a pressure gage on it. then you have to lock the motor so it doesnt turn. Rotate the motor so the valves are closed and put about 50 lbs of pressure on the cylinder. You then shut the air off and watch the gage to see how fast the air bleeds down. This will tell you if you have a leaking valve
Good luck and happy riding
Mike
