Yamaha FJ1100: history, specs, pictures

**Yamaha FJ1100**
Manufacturer	Yamaha
Also called	FJ1100 (reduced effect), FJ 1100 (reduced effect), FJ 1100
Production	1984 - 1986
Successor	Yamaha FJ1200
Class	Road
Engine	in-line four, four-stroke
Bore / Stroke	74.0mm x 63.8mm
Top speed	137 mph (220 km/h)
Horse Power	97.89 HP (73.0 KW) @ 9000RPM
Sparkplug	NGK DP8EA-9 '84-85
Battery	YUASA YB14L-A2 '84-85
Transmission	Gear box: 5-speed ; Final Drive: chain ;
Brakes	Front: dual disc ; Rear: single disc
Front Tire	120/80-16
Rear Tire	150/80-16
Weight	(dry), 261.0 kg (wet)
Fuel capacity	6.34 Gallon (24.00 Liters)
Manuals	Service Manual
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The Yamaha FJ1100 (reduced effect) was a in-line four, four-stroke Road motorcycle produced by Yamaha between 1984 and 1986. It could reach a top speed of 137 mph (220 km/h). Claimed horsepower was 97.89 HP (73.0 KW) @ 9000 RPM.

A Superbike class milestone model. Weighing 500 lbs, with a whopping 125 hp, the FJ provided a power-to-weight that was unequalled for bikes of this size during this time.

Engine

The engine was a air cooled in-line four, four-stroke. A 74.0mm bore x 63.8mm stroke result in a displacement of just 1097.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive

The bike has a 5-speed transmission.

Chassis

It came with a 120/80-16 front tire and a 150/80-16 rear tire. Stopping was achieved via dual disc in the front and a single disc in the rear. The FJ1100 (reduced effect) was fitted with a 6.34 Gallon (24.00 Liters) fuel tank.