What rpm should a harley idle at?
approximately 950-1050 RPM
To ensure proper charging at idle, maintain an idle speed of approximately 950-1050 RPM. Insufficient idle speed may drain the battery in excessive idle situations, resulting in insufficient voltage to the ECM, ignition coil and fuel pump (which can result in a variety of operating problems).
When does a Harley Davidson engine misfire at low speeds?
However, when cruising along about 25-30 mph (in either 2nd or 3rd gear) it is always misfiring and sputtering pretty bad now (had a little hint originally and definitely getting worse now). After coming to a stop, the idle is a bit rough and sometimes the engine acts like it wants to cut out for a few seconds after which it seems to idle OK.
Why does my Harley Davidson have a lean Miss?
Since it does not happen during mixture enrichment times (warm up w/ extended injector duration or “choke” times), it almost points to a lean fuel issue or a lean miss. As soon as the warm-up enrichment period ends, the bike experiences the miss.
Why is my Harley Davidson not running at low speeds?
It had decel popping that prior owner told me about – he thought the fuel mapping was off (has RevTech DFO), but dealership told him they had “optimized” it. However, since I bought it the engine is not running well at low speeds.
What kind of engine does a Harley Davidson Fatboy have?
Harley Davidson 114 Chrome Derby Cover, Breakout, Fat Boy Only. 2003 Harley Softail Twin Cam 88 B Engine Motor CARB *27k mi *VIDEO + WARRANTY! (Fits: Harley-Davidson Fatboy)
What causes a Softail engine to misfire on a Harley?
In other words, it’s when the engine undergoes failure of ignition in one or more cylinders. This video is going to detail the causes to why a Harley Softail misses or misfires. Keep in mind that the information in this video pertains to all carburetor models, regardless of the year it was manufactured.
It had decel popping that prior owner told me about – he thought the fuel mapping was off (has RevTech DFO), but dealership told him they had “optimized” it. However, since I bought it the engine is not running well at low speeds.