Yamaha XJ 400 S Diversion

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Yamaha XJ400S Diversion

The Yamaha XJ 400 Diversion has been on the market since 1992 along with the older model Yamaha XJ600 Diversion, which was mainly focused on the export market. The Diversion 400 was intended for the domestic Japanese market only.

The Yamaha XJ400S Diversion is based on the base from Yamaha XJ600S Diversion with a similar reduced displacement engine and different carburettors. As a result, the XJ400S Diversion produced 42 hp. power and 34 Nm of torque.

Low technical characteristics and generally poor equipment led to the fact that the model was practically not in demand, and by 1993 production was stopped. Only in 1993 was built the training version XJ400L (which received the features of XJ600N), which was purchased only by Japanese motorcycle schools. By 1994, production was finally discontinued.

Of the features of the Yamaha XJ400S Diversion, an air-cooled engine with 2 valves per cylinder, simple suspensions in the form of a conventional 38 mm telescopic fork and a rear monoshock absorber, a steel frame, disc brakes (front single-disc brake), a 17-liter fuel tank, 6- stepped gearbox and 197 kg of curb weight.

Other models in the Yamaha Diversion series:


Yamaha XJ400S Diversion
Yamaha XJ400S Diversion
Yamaha XJ400S Diversion


Specifications Yamaha XJ400S Diversion:

ModelYamaha XJ400S Diversion
Motorcycle typeroad (street, classic)
Release year1992-1993
Framesteel tubular
Engine type4-cylinder, 4-stroke, in-line
Working volume398 cm³
Bore / stroke47.7 x 55.7 mm
Compression ratio10.5: 1
Number of valves per cylinderDOHC, 2 valves per cylinder
Fuel supply systemCarburetor, 4x Mikuni BDST26
Ignition typetransistor
Maximum power42.0 h.p. (30.9 kW) at 10,000 rpm
Maximum torque34.0 Nm (3.5 kg * m) at 7000 rpm
Drive typechain
Front tire size110 / 80-17 (57H)
Rear tire size130 / 70-18 (63H)
Front brakes1 disc, 320 mm, 2-piston caliper
Rear brakes1 disc, 245 mm, 1-piston caliper
Front suspension38mm telescopic fork, 140mm travel
Rear suspensionPendulum with monoshock (preload adjustment), stroke - 110 mm
Motorcycle length2095 mm
Motorcycle width750 mm
Motorcycle height1175 mm
Wheelbase1455 mm
Saddle height770 mm
Minimum ground clearance150 mm
Acceleration to 100 km / h6.8 sec
Maximum speed160 km / h
Fuel tank capacity17.0 l (including reserve - 3.5 l)
Motorcycle weight (dry)175 kg
Motorcycle weight (curb)197 kg