What should idle speed be on Harley Davidson Sportster?
Evo Motors should idle at a minimum of 700 rpm and Twin Cams at 900 rpm—they sound great idling at lower revs than this, but it can cause premature wear on your valve train. This article does NOT cover idle mixture—that is something else—we are just looking at simple idle speed adjustment here.
Why is my Harley CV carburetor stalling after tuning?
Hesitation or stalling can sometimes occur after tuning or rebuilding your Harley CV carburetor or if your Harley carb has not been maintained. The following are common issues sometimes encountered after tuning or rebuilding a Harley CV carburetor.
How big should the hole be for the vacuum port on a Harley Davidson?
Unfortunately those articles with the 1/8″ recommendations are still widely published or found online and unsuspecting Harley owners perform that modification damaging the vacuum slide. The maximum recommended hole size for the slide port should never exceed 7/64″. You can use a 1/8 drill bit as a gauge to check the vacuum port hole size.
What causes intermittent fuel delivery on a Harley?
8) Gas cap venting. Another problem that will cause intermittent issues with fuel delivery is a gas cap with a malfunctioning vent. The built in vent inside the gas cap allows air to be drawn into the tank to displace the fuel as it is used.
What to do if your Harley won’t idle?
If its not that, the carb probably needs a good cleaning. If you have to leave the choke pulled out for it to run, it’s either got and intake leak or either a clogged jet. With the bike running spray some wd40 around the intake seals and listen for changes in the rpms.
Can a bad throttle position sensor cause idle surging?
Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light
How to start a Harley Davidson Sportster XI 883?
To Lean will hurt the engine : To start a Harley Davidson Sportster XI 883, you will need: 1. Open the cap for the fuel tank and see how much fuel is in your motorcycle. Add fuel as needed. Note that the engine may not start if you have low fuel.