Finally finished the last of my must do projects. Used Metal Rescue, MetalRescue.com, to remove rust from tank. Using a new fuel additive by Sta-Bil, formulated for marine and heavy mosture areas (Oregon?). Cleaned up past owner installed wiring, 1970 CT 90 with turn signals. Installed a new muffler/head gasket. Old one was leaking. New front tire, tube, and wheel gasket, and spokes tuned. Took bike out for a 15 mile ride. 'Sweet'. And 'had' to order a sealed Battery 'Russman' $13.+ to my door in Troutdale, Or.