When we launched the original Yamaha SR nearly 40 years ago it became a favourite with riders who favour simplicity and agility. After all, the big single is the grand daddy of motorcycles.

The level of interest in the timeless SR has remained strong over the years – with riders as well as custom builders. Offering endless possibilities, Yamaha’s SR400 continues to form part of the daily lives of a whole new generation of riders who appreciate the enduring appeal of this instant classic.

Engine Type: Air-cooled, 4-stroke, SOHC, 2-valve

Displacement (cc): 399.0

Bore x Stroke (mm): 87.0 x 67.2

Compression Ratio: 8.5 : 1

Lubrication System: Dry Sump

Fuel Management: Fuel Injection

Ignition: TCI

Starter System: Kick

Fuel Tank Capacity (L): 12.0

Final Transmission: Chain

Transmission: Constant mesh 5-speed

Frame Type: Semi double cradle

Suspension Front: Telescopic forks, 150mm travel

Suspension Rear: Swingarm, dual shocks, 105mm travel

Brakes Front: Hydraulic single disc, 298mm

Brakes Rear: Drum

Tyres Front: 90/100-18M/C 54S Tube type

Tyres Rear: 110/90-18M/C 61S Tube type

Length (mm): 2085

Width (mm): 750

Height (mm): 1095

Seat Height (mm): 785

Wheelbase (mm): 1410

Ground Clearance (mm): 130

Wet Weight (kg): 174


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