Yamaha SRX400: review, history, specs
Class: classic
Production: 1985-1996
Related: Yamaha SR400, Yamaha SRX600
Also called: Yamaha SRX-4
| Models | ||
|---|---|---|
| Yamaha SRX-4
(Japan) 1985 |
Yamaha SRX-4
(Japan) 1988 |
Yamaha SRX400
(Japan) 1991-1996 |
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History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 1985 | Japan | Name: Yamaha SRX-4
Code: 1JL0 |
| 1988 | Japan | Name: Yamaha SRX-4
Code: 3HU1, 2NY0 |
| 1991 | Japan | Name: Yamaha SRX400
Code: 3VN1, 3VN2 |
| 1996 | Japan | Name: Yamaha SRX400
Code: 3VN5 |
Specifications
Yamaha SRX400: specs
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2085 mm / 82,1 in - SRX400 (1985, 1988)
2090 mm / 82,3 in - SRX400 (1991-1996) |
| Overall width | 705 mm / 27,7 in - SRX400 (1985, 1988)
720 mm / 28,3 in - SRX400 (1991-1996) | |
| Overall height | 1055 mm / 41,5 in - SRX400 (1985, 1988)
1045 mm / 41,1 in - SRX400 (1991-1996) | |
| Seat height | 760 mm / 29,9 in | |
| Wheelbase | 1390 mm / 54,7 in - SRX400 (1985, 1988)
1425 mm / 56,1 in - SRX400 (1991-1996) | |
| Ground clearance | 145 mm / 5,7 in - SRX400 (1985, 1988)
140 mm / 5,5 in - SRX400 (1991-1996) | |
| Dry weight | ||
| Curb (wet) weight | 168 kg / 370 lbs – SRX400 (1985)
165 kg / 364 lbs – SRX400 (1988) 170 kg / 374 lbs – SRX400 (1991-1996) | |
| FRAME | Type | Tubular double cradle (steel) |
| Front suspension, travel | 36 mm telescopic fork, 140 mm / 5,5 in – SRX400 (1985-1988)
38 mm telescopic fork KYB, 140 mm / 5,5 in – SRX400 (1991-1996) | |
| Rear suspension, travel | Swingarm with twin-shock (5-way adjustable spring pre-load), 100 mm / 3,9 in – SRX400 (1985-1988)
Swingarm with mono-shock (9-way adjustable spring pre-load), 100 mm / 3,9 in – SRX400 (1991-1996) | |
| 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 brake | Single disc, 267 mm, 2-piston caliper – SRX400 (1985)
Single disc, 320 mm, 4-piston caliper – SRX400 (1988-1996) | |
| Rear brake | Single disc, 245 mm, 2-piston caliper | |
| Fuel capacity | 15,0 l / 3,96 US gal (reserve – 3,0 l) – SRX400 (1985, 1988)
14,0 l / 3,69 US gal (reserve – 4,0 l) – SRX400 (1991-1996) | |
| Trail | 108 mm / 4,2 in – SRX400 (1985, 1988)
92 mm / 3,6 in – SRX400 (1991-1996) | |
| Fuel economy / consumption | 4,8 l / 100 km (49,0 US mpg) | |
| ENGINE | Type | Air-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 87,0 x 67,2 mm | |
| Displacement | 399 cm³ (24,3 cu in) | |
| Compression ratio | 9.2:1 | |
| Valve train | Chain driven SOHC, 4 valves | |
| Max. power | 33,0 hp (24,3 kW) / 7000 rpm | |
| Max. torque | 33,3 Nm (3,4 kg-m) / 6000 rpm | |
| Acceleration 0 to 100 km/h (0-60 mph) | 8,6 sec. | |
| Top speed | 140 kmh / 87 mph | |
| CARBURETION SYSTEM | Type | Carburetor, 1x Teikei Y27PV |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
| Transmission | 5-speed | |
| Final drive | Chain | |
| Primary reduction | 2.533 | |
| Final reduction | 2.928 – SRX400 (1985, 1988 2NY)
2.941– SRX400 (1988 3HU1, 1991, 1996) | |
| Gear ratio
I II III IV V |
1.588 1.200 0.954 0.807 (1985); 0.791 (1988+) | |
| ELECTRICAL | Ignition | CDI – SRX400 (1985, 1988)
Fully transistorized – SRX400 (1991, 1996) Kickstart – SRX400 (1985, 1988) Electric starter motor – SRX400 (1991, 1996) |
| Alternator | A.C. magneto | |
| Battery capacity | 12V-5Ah – SRX400 (1985, 1988)
12V-8Ah – SRX400 (1991, 1996) | |
Images
Yamaha SRX400: images, gallery.
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Videos
Yamaha SRX400: video.
Manuals
Yamaha SRX400: manuals, parts, microfiches.