The Bajajusa Chetak Rides On
Bajajusa had a network of phenomenal scooter dealers, dedicated to the product and their customers.  Support them and try them first for hard to find parts:

Pride of Cleveland (inventor of the POC pipe) -Cleveland, Ohio
Columbia Scooters - Portland, Oregon
San Francisco Scooter Center - San Francisco, California
Scooter West - San Francisco, California

Java Cycles - Athens, Georgia
Motostrada - Cockeysville, Maryland
Rad Cycles - Baton Rouge, Louisiana

The Modern Bajaj Chetak Rides On The Bajaj Chetak Rides On