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1965 Bridgestone 175 makes most 250cc motorcycles obsolete and overpriced Ad

Here's a new 175cc twin from Bridgestone that thinks it's a 250! What's more, it acts like it, too! The new Bridgestone 175 offers you two exclusive new design features never before seen on any motorcycle: two rotary valves (one for each cylinder), two carburetors, plus a revolutionary 4-speed transmission that changes to a 5-speed (overdrive for high speed highway cruising) with the flip of a lever...