What RPM should a moped idle at?
Usually we see the idle speed being between 1000 and 1300 RPM (engine revolutions per minute) when the engine is at operating temperature, and often as bit higher during warm up.
What to do if your motor scooter won’t idle?
If you find the intake valve is too loose, twist it by hand in a clockwise direction until you reach the desired clearance level. Once you are happy you can just about slide a .004 feeler gauge behind your intake valve then you can re-tighten the intake valve nut and reassemble the intake valve cover and the rest of your scooter.
Why is my scooter engine not working properly?
If the answer to any of these questions is yes, they are all symptoms of your engine valves being too tight. Engine valves tighten over time after extensive use. Problems can occur when the valves on your scooter or too tight or too loose but they can be adjusted accordingly to fix performance issues.
Can a motor scooter be rebuilt without a carburetor?
Once you are happy that the bottom half of your carburettor is clean and the parts you have removed are securely back in place, you can get to work on reassembling the two halves of your carburetor. With the two halves of your carburetor in place and freshly cleaned up, you are now ready to rebuild your scooter.
Why is the intake hose on my scooter not working?
Rubber Intake hose (boot) – the first place to check! On many scooters this hose or ‘boot’ deteriorates over time due to heat exposure. A faulty rubber intake hose is one of the most common cause of intake issues on scooters. If this hose seems fine, investigate further into your intake system to uncover any leaks.
If you find the intake valve is too loose, twist it by hand in a clockwise direction until you reach the desired clearance level. Once you are happy you can just about slide a .004 feeler gauge behind your intake valve then you can re-tighten the intake valve nut and reassemble the intake valve cover and the rest of your scooter.
If the answer to any of these questions is yes, they are all symptoms of your engine valves being too tight. Engine valves tighten over time after extensive use. Problems can occur when the valves on your scooter or too tight or too loose but they can be adjusted accordingly to fix performance issues.
Rubber Intake hose (boot) – the first place to check! On many scooters this hose or ‘boot’ deteriorates over time due to heat exposure. A faulty rubber intake hose is one of the most common cause of intake issues on scooters. If this hose seems fine, investigate further into your intake system to uncover any leaks.
Once you are happy that the bottom half of your carburettor is clean and the parts you have removed are securely back in place, you can get to work on reassembling the two halves of your carburetor. With the two halves of your carburetor in place and freshly cleaned up, you are now ready to rebuild your scooter.