Yamaha SRX 400

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Yamaha SRX-4 (1985)

The Yamaha SRX 400 appeared in 1985 as an offshoot of the retro series Yamaha SR400 and was intended for a sportier ride. Unlike the SR, the SRX received a different cylinder head (4 valves), disc brakes, alloy wheels, a sportier design and ergonomics. The first versions of the model were called “Yamaha SRX-4”.

In 1988, the model was restyled with new wheels, an enlarged brake disc and a 4-piston caliper. The model is still called the Yamaha SRX-4.

In 1991, the model undergoes its last restyling, receiving an updated appearance, a new front fork, a new rear suspension (monoshock instead of a double shock absorber, 9 steps of preload adjustment instead of 5), new 17 'wheels, a reduced fuel tank (14 liters instead of 15 l), a fully transistor ignition system (instead of CDI) and an electric starter (previous versions were equipped only with a "kick"). This generation changes its name to - Yamaha SRX400.

The main feature of the Yamaha SRX400 is the 399cc, 1-cylinder, air-cooled engine producing 33 hp. power and 34 Nm of torque. There was also an export modification of the Yamaha SRX600, which had a larger engine and some other differences. The SRX400 was intended for the Japanese domestic market only.

1996 was the last year of production of the Yamaha SRX 400, after which it finally left the market and did not receive further development.

The main competitors of the Yamaha SRX 400 in the class:

Photos

Yamaha SRX400
Yamaha SRX400
Yamaha SRX400



Specifications

Specifications Yamaha SRX 400:

Model Yamaha SRX400
Motorcycle type classic
Release year 1985-1996
Frame steel tubular
Engine type 1-cylinder, 4-stroke
Working volume 399 cc cm.
Bore / stroke 87.0 x 67.2mm
Compression ratio 9.2: 1
Cooling air
Number of valves per cylinder SOHC, 4 valves
Fuel supply system Carburetor, 1x Teikei Y27PV
Ignition type CDI - SRX400 (1985, 1988)

Fully Transistor - SRX400 (1991, 1996)

Kick Start - SRX400 (1985, 1988)

Electric starter - SRX400 (1991, 1996)

Maximum power 33.0 h.p. (24.3 kW) at 7000 rpm
Maximum torque 33.3 Nm (3.4 kg-m) at 6000 rpm
Gearbox 5-speed
Drive type chain
Front tire size 100 / 80-18 53S - SRX400 (1985)

100 / 90-17 55S - SRX400 (1988 2NY)

110 / 80R-17 57H - SRX400 (1988 3HU1)

110 / 70R-17 54H - SRX400 (1991-1996)

Rear tire size 120 / 80-18 62S - SRX400 (1985, 1988 2NY)

120 / 80R-18 62H - SRX400 (1988 3HU1)

140 / 70R-17 66H - SRX400 (1991-1996)

Front brakes 1 disc, 267mm, 2-piston caliper - SRX400 (1985)

Single disc, 320mm, 4-piston caliper - SRX400 (1988-1996)

Rear brakes 1 disc, 245 mm, 2-piston caliper
Front suspension 36mm telescopic fork, 140mm travel - SRX400 (1985-1988)

38mm KYB Telescopic Fork, 140mm Travel - SRX400 (1991-1996)

Rear suspension Meatnikovaya with two shock absorbers (5-stage preload adjustment), travel - 100 mm - SRX400 (1985-1988)

Swingarm with monoshock (9-stage preload adjustment), stroke - 100 mm - SRX400 (1991-1996)

Motorcycle length 2085mm - SRX400 (1985, 1988)

2090 mm - SRX400 (1991-1996)

Motorcycle width 705mm - SRX400 (1985, 1988)

720mm - SRX400 (1991-1996)

Motorcycle height 1055mm - SRX400 (1985, 1988)

1045 mm - SRX400 (1991-1996)

Wheelbase 1390mm - SRX400 (1985, 1988)

1425 mm - SRX400 (1991-1996)

Saddle height 760 mm
Minimum ground clearance 145mm - SRX400 (1985, 1988)

140mm - SRX400 (1991-1996)

Acceleration to 100 km / h 8.6 sec
Maximum speed 140 km / h
Fuel tank capacity 15.0 L (including 3.0 L reserve) - SRX400 (1985, 1988)

14.0 L (including reserve - 4.0 L) - SRX400 (1991-1996)

Motorcycle weight (curb) 168 kg - SRX400 (1985)

165 kg - SRX400 (1988)

170 kg - SRX400 (1991-1996)

Documentation