Questions & Answers for: Aprilia AF1 125 Sintesi faulty vacuum breaker

vespa et4 125 cuts out after starting and riding for a few yards been having these stop start for a few mornings, so guese something was up! fuel was getting through as the smell of it was evident. ...

ET4 100 miles very underpowered and won't go over 30mph Just bought a 2001 ET4 with 50 miles on it, unfortunately it was poorly stored for 9 years and ha not been started in 3 years. I charged the ...

...faulty Fuel Pump, pressure regulator and or fuel injectors. 13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged. 14. Needle and seat stuck ...

...the "ON" position. 5. Security alarm needs a reset. 6. Starter control circuit, relay, or solenoid faulty. 7. Electric starter shaft pinion gear is not engaging or over-running starter clutch ...