The 1983 Yamaha XJ 650 SecaTurbomotorcycle combined two edit out - edge trends of its day : turbocharged world power and futuristic aerodynamic styling . Neither was destined for a foresightful run .

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Hot on the heels of the human race ’s first turbocharged production bike , Honda ’s 1982 CX Turbo , come Yamaha ’s turbocharged bike , the 1983 Yamaha XJ 650 Seca Turbo motorcycle .

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Based on the troupe ’s four - piston chamber 650 Seca , the 1983 Yamaha XJ 650 Seca Turbo bike surpassed the CXs in personality , if not in performance . Like Honda ’s models,1983 Yamaha XJ 650 Seca Turbo motorcycle did set Modern standards for aerodynamics , at least in coming into court .

The Seca wear down a full fairing with rich spoiler under the locomotive engine to best up cooling air . Fuel tank and side panel feed together into a rump segment that fence in the backside . If anything , it looked even more futurist than the cutting - boundary CX Turbo .

powerfulness came from a pressurized dual - overhead - River Cam 650 - cc four - cylinder as chance in the standard Yamaha Seca .

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Unlike some turbos , the 1983 Yamaha XJ 650 Seca Turbo motorcycle ’s engine inhaled through four separatecarburetorsand give forth through only one of its twinmufflers ; the other muffler exhaust overboost from the turbo .

Interesting as it was , the 1983 Yamaha XJ 650 Seca Turbo bike flunk to provide the " great bicycle " world power it promised , and did n’t last long in the marketplace .

The 1983 Yamaha XJ 650 Seca Turbo motorcycle faded by after just a duo of years , as did other turbo bikes before and since .

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1983 Yamaha XJ 650 Seca Turbo Pictures

The 1983 Yamaha XJ 650 SecaTurbomotorcycle look more futuristic than the rival Honda CX Turbo , but was n’t as tight .