Yamaha SRX

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Yamaha SRX
1986 Yamaha SRX 600.jpg
Stock 1986 Yamaha SRX600
Manufacturer Yamaha Motor Company
Production 1985-1997
Engine 4-Stroke, SOHC, 4-valve, Single-cylinder
Power 40 hp (30 kW) @ 5700 rpm
Dimensions L 2 metres
W 70 centimetres
H 1.05 metre
Fuel capacity 18 litres (4.0 imp gal; 4.8 US gal)

The Yamaha SRX is a motorcycle that was manufactured from 1985 to 1997 by the Yamaha Motor Company.

In an attempt to repeat the success of the SR500, Yamaha placed a more modern engine derived from the XT600 into a light, sporty street bike. While still being an air-cooled, overhead-camshaft single-cylinder like its predecessor, the new engine featured a four-valved cylinder head, a two-staged carburetor, a balance shaft, and various improvements. The chassis was a lightweight steel frame with alloy wheels, a double disc brake on the front- and a single disc brake on the rear wheel.

However, unlike its cheaper predecessor, the SRX600 did not compete well on the international market. Nimble handling, light weight, and unique styling did not compete well with the heavier, faster multi-cylinder bikes available for not much more money. Still, Yamaha claims to have sold 19,000 units of the SRX.[1] In the USA, the SRX was officially sold only in 1986; in Germany, sales continued until 1990

Contents

[edit] Japanese models

SRX 400 of 1990

In Japan, the SRX was sold with a reduced displacement of 400 cc for tax reasons, or 608 cc. Also, these models featured an oil cooler. From 1988, the 2NX model was sold, which featured a 17-inch front wheel and single 320 mm brake disc.[2] There was also an SRX 250 on the Japanese market, although this differed somewhat in the presence of a headlight fairing and electric start.

1989 Yamaha SRX 250

When the international marketing of the SRX stopped, in Japan there was a new production line 3VN; it received an engine derived from the newer XT600E, equipped with an electrical starter. Also, the classical twin-shock configuration was dropped for a mono shock design. This bike was produced until 1997, when production ceased. The SRX was outlived by its predecessor - the SR400 was still available in 2010.[3]

[edit] Specifications

[edit] Engine

  • Displacement: 595 cc
  • Bore and Stroke: 94.0 x 84.0 mm
  • Compression Ratio: 8.5:1
  • Maximum Torque: 34 ft·lbf (46 N·m) @ 5500 rpm
  • Maximum HP: 40 hp (30 kW) @ 5700 rpm
  • Carburetion: 2KY27PV
  • Transmission: 5 Speed

[edit] Chassis

  • Wheelbase: 1.38 metre
  • Ground Clearance: 15 centimetres
  • Seat Height: 77 centimetres
  • Dry Weight: 149 kg
  • Wet Weight: 170 kg

[edit] References

[edit] External links

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