1948 Marman Twin Motor Bike
"The Only Bike Motor
With Extra Twin Cylinder Power"
1948 Marman Twin Motorbike kit
above is installed on a Schwinn MP97 bicycle.
Schwinn designed the MP97 specifically for the Marman Twin motorbike
-3 1/2 horsepower, balanced, horizontally opposed motor
gas tank, glove compartment, belt guard, exhaust pipes, and muffler
-Positive clutch.....automotive type multiple plate,
dry disc clutch allows immediate pickup without pedalling and easy idling at stops
-Steel cable V-belt drives throughout
-Top pickup, cruising, and climb ablilty, gear ratios set to get exceptional pickup at low speed, easy cruising speed of
30-35 miles per hour and superior hill climbing ablilty
-Over 100 miles per gallon
-Manufactured by Marman
Products Company, INC. P.O. Box 89, Inglewood, California