Yamaha FZR400

Yamaha FZR400
	49-state US market 1988 Yamaha FZR400 (1WG)
Manufacturer	Yamaha Motor Company
Also called	FZR400R, FZR400RR
Production	1987–1994
Predecessor	Yamaha FZ400R
Class	Sport bike
Engine	399 cc (24.3 cu in) 16-valve DOHC transverse four-stroke inline-four, liquid cooled
Bore / stroke	56.0 mm × 40.5 mm (2.20 in × 1.59 in)
Compression ratio	11,5 : 1
Power	44 kW (59 hp) @ 12000 RPM
Torque	42.0 N⋅m (31.0 lbf⋅ft) @ 9500 RPM
Dimensions	L: 2,040 mm (80 in); H: 1,170 mm (46 in);
Seat height	785 mm (30.9 in)
Weight	157 kg (346 lb) (dry); 185 kg (408 lb) (wet)
Fuel capacity	18 L (4.8 US gal)
Related	Yamaha FZR600; Yamaha FZR1000; Yamaha FZ400R

The Yamaha FZR400 was a 400 cc (24 cu in) class sport bike produced by Yamaha Motor Company between 1987 and 1994. The FZR400 was updated every year up until 1994, after which production ended.

All FZR400s were powered by naturally aspirated, carburetted, liquid-cooled 399cc four-stroke inline-four engines with four valves per cylinder and dual overhead camshafts (DOHC). These engines were all mounted transversely in perimeter type box-section aluminium 'Deltabox' frames. Although standard-fare for modern sport bikes, in 1988 this layout was quite unique. An earlier model called FZ400R was released only in Japan in 1984.

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