so I recently replaced the variator on my 1980 grande and at first it ripped balls. Now, like 3 weeks later, it seems like it wont even get over like 20 mph. WTF? is it possible my belt has stretched out and is slipping? I haven't changes the jets in the carb or done anything else for that matter.
Also, when I have the bike propped up on a board so the rear wheel spins free, the variator opens all the way and the bike seems like it screams... When I get on it, its a different story though. what do you vespa gods out there think?
1980 vespa grande
13/13 dellorto carb, jetted in the mid 50's
malossi foam filter
tjt variator with stock rear spring and yellow rollers
proma moto exhaust
this is a grande rated for 30 mph by the way