Fitting Sleeve \/ Bushing cylinder \/ exhaust Doppler Peugeot 103

Fitting Sleeve \/ Bushing cylinder \/ exhaust Doppler Peugeot 103. The bushing sits at the exhaust side of the cylinder; it fills the gap in the thread, which results in faster emission of gases. We would not really call this a major tuning measurement but it will help in boosting the performance of your moped a little.