When to tune carburetor mixture on Harley Davidson?
Let the bike idle for no more than 5 minutes. With the engine warmed up and at idle you may now fine tune the idle mixture screw for optimal performance. Acquaint yourself with the adjustment screw location at the bottom rear of the carburetor prior to running the engine.
Why are late model carbs worse than early model?
Often, late model carbs are set up to early model specs. This results in poor performance on the post-’75 carbs.
How do you reinstall a CV carburetor on a Harley?
Reinstall the carburetor back on your bike by reversing the steps taken during removal. Be sure to replace the fuel hose clamp, cables, and vacuum lines in the exact same location. Make certain the carb firmly seats back onto the manifold boot as a proper seal is critical. Test the throttle for binding and smooth operation.
What to do when your CV carburetor is not working?
If unable to find the low adjustment point where the idle slows, simply set the screw at 1-3/4 turns out and proceed to the next step. If the engine will not idle on its own during this procedure, adjust the idle set screw on the throttle side of the carburetor until it idles correctly.
Can a carburetor be rebuilt on a Harley?
Watch how to rebuild your carburetor with our Carburetor Rebuild Class. Bob LaRosa brings us through the clean-up and tear down of a stock Harley carburetor. Take you time and work clean. Make sure all debris is cleaned off carb before you start to remove any parts.
Why does my Holley 4 barrel carburetor stumble?
If your car or truck is equipped with a Holley four barrel carburetor and stumbles upon acceleration, more than likely the carburetor needs an adjustment to the accelerator pump assembly. This assembly delivers an initial shot of fuel in the right amount, and duration, to provide crisp throttle response right off idle.
Who is the best guy to troubleshoot a Harley Davidson carburetor?
Bob’s at the bench with your Harley carburetor troubleshooting questions. He gives his suggestions on where to start when you are having fuel delivery issues. He also gets into other issues that might be the issue for a “stumbling” motorcycle. Watch how to rebuild your carburetor with our Carburetor Rebuild Class.
Why is my carburetor not working on my Rochester car?
Thankfully, the most challenging part of repairing the carburetor is first identifying the likely causes of the problem. If the engine will not start due to a carburetor problem when the engine is cold, the cause is most likely a defective accelerator pump. In fact, this is one of the most common problems with Rochester carburetors.