hey mates so basically I bought a piaggio zip de-restricted and it had stock everything apart from a Yasuni race pipe I’ve up jetted from a 68 to a 75 and put a fresh yasuni exhaust on I have a small cone air filter and I have 5.2 rollers to put on but I’ve applied everything else but the rollers it rides terrible it pulls of alright but it won’t go over 15mph on a flat road and it bogs whenever I pull the throttle over a quarter of the way has anyone had an issue like this if so plz help
Re-jet the carb. Get a box of jets, start at the biggest and work down until you hit the right one. Be patient, it's a ball ache of a job but necessary
