Welcome to the Forum! I built this bike (my first) off of a 1978 Schwinn Stingray frame this past summer. I now have just under 400 miles on the motor and she is still running very strong. I just repacked the rear wheel, cleaned the carb, re tightened the clutch, and put a new exhaust on the bike.
My Specs as of Nov 6th:
Frame: 1978 Schwinn Stingray Scrambler
Wheels: 20'' 48 spoke coaster brake rear, 20'' 48 spoke front
Fork: Bikedesigner.com 20'' straight springer fork
Tires: Kenda 20 X 1.95 tires
Pedal Drive: 34 T front 18 T rear
Engine: Grubee Starfire Gen II-A 50cc (48 cc) Slant head, Rubber Mounted
Engine Drive: 11 T Front 36 T rear with 415 chain and no tensioner
Tank: Stock 1/2 Gallon
Exhaust: Spooky Tooth Skyhawk Expansion Exhaust made by Grubee (with about an inch to spare from rubbing the front tire)
Air Cleaner: Stock
Spark Plug: NGK B6HS (So much better than the stock plug)
Spark Plug Wire: Napa Fiber Wire and boot
Odometer Reading: 392.7 miles
The pictures I have posted are from the completion of the bike.
"He who knows best knows how little he knows"