Why does my motorcycle sputter at high speeds?
There are several reasons why a motorcycle sputters. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Other culprits could include corroded or cracked spark plugs or spark plug wires, a faulty ignition coil, a clogged air filter, or engine timing issues.
Why does my bike sputter at cruising speeds?
If you haven’t messed with the air filter assembly there is one other thing that I’ve seen cause this problem. Your bike has two vacuum operated devices on it. One is the VOES switch and the other is the fuel petcock. The VOES switch is part of th igniton system and the petcock is the fuel valve on the fuel tank.
What makes a Harley Davidson engine sputter and cut out?
Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.
Can a Harley Davidson run at low speeds?
However, since I bought it the engine is not running well at low speeds. It basically runs fine under mild/strong acceleration or at full highway speed and seems to idle normally when the bike is started.
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 sputter at cruising speeds?
In other words, it just pushes into a seal instead of bolting on like the older carbs did. This means that the carb has to be aligned correctly or an air leak can occur around the seal. The air filter assembly is what holds the carb. into the seal and aligns the carb.
What does it mean when your bike is sputtering?
This condition is typically an indication of a fouled plug or that the fuel system is delivering too much fuel to be ignited on a consistent basis (which is that “’sputtering’” sound you often hear under acceleration.
Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.
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.