Yamaha SR400SP
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Yamaha SR400SP | |
Manufacturer | |
---|---|
Production | 1979 |
Engine | Four stroke, single cylinder, SOHC, 2 valves per cylinder. |
Compression ratio | 8.5:1 |
Ignition | CDI |
Transmission | 5 Speed |
Frame | Steel Double Cradle |
Suspension | Front: 35mm Telescopic fork Rear: Dual shocks, 5-way adjustable preload |
Brakes | Front: Single disc Rear: Drum |
Front Tire | 3.50-19 |
Rear Tire | 4.00-16 |
Wheelbase | 1410 mm / 55.5 IN |
Seat Height | 790 mm / 30.9 in |
Weight | 174 kg / 384 lbs (wet) |
Oil Capacity | 2.4 Liters |
Recommended Oil | Yamalube 10w-40 |
Fuel Capacity | 12 Liters / 3.2 gal |
Manuals | Service Manual |
Engine
The engine was a Air cooled cooled Four stroke, single cylinder, SOHC, 2 valves per cylinder.. The engine featured a 8.5:1 compression ratio.
Drive
Power was moderated via the Wet, Multiple Disc.
Chassis
It came with a 3.50-19 front tire and a 4.00-16 rear tire. Stopping was achieved via Single disc in the front and a Drum in the rear. The front suspension was a 35mm Telescopic fork while the rear was equipped with a Dual shocks, 5-way adjustable preload. The SR400SP was fitted with a 12 Liters / 3.2 gal fuel tank. The wheelbase was 1410 mm / 55.5 IN long.
Photos
Overview
Yamaha SR 400SP
Make Model | Yamaha SR 400SP |
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Year | 1979 |
Engine Type | Four stroke, single cylinder, SOHC, 2 valves per cylinder. |
Displacement | 399 cc / 24.3 cu-in |
Bore X Stroke | 87 х 67.2 mm |
Compression | 8.5:1 |
Cooling System | Air cooled |
Oil Capacity | 2.4 Liters |
Lubrication | Dry sump |
Induction | BSR33 carburetor |
Ignition | CDI |
Starting | Kick |
Max Power | 27 hp / 17.1 KW @ 7000 rpm |
Max Torque | 27.4 Nm / 6.3 kgf-m @ 6500 rpm |
Clutch | Wet, Multiple Disc |
Transmission | 5 Speed |
Final Drive | Chain |
Frame | Steel Double Cradle |
Front Suspension | 35mm Telescopic fork |
Front Wheel Travel | 105 mm / 4.1 in |
Rear Suspension | Dual shocks, 5-way adjustable preload |
Front Brakes | Single disc |
Rear Brakes | Drum |
Front Tire | 3.50-19 |
Rear Tire | 4.00-16 |
Rake Caster Angle | 27º |
Trail | 111 mm / 4.4 in |
Wheelbase | 1410 mm / 55.5 IN |
Seat Height | 790 mm / 30.9 in |
Ground Clearance | 130 mm / 5.1 in |
Wet Weight | 174 kg / 384 lbs |
Fuel Capacity | 12 Liters / 3.2 gal |