Yamaha SR400
Yamaha SR400 | |
Manufacturer | |
---|---|
Also called | SR400 WrenchMonkees GibbonSlap, SR400 35-years, SR 400 35-years, SR400 B.S.R, SR400 Stallion and Bronco, SR400 Lightening by Deus, SR400 Homage by Benders, SR400 Gibbonslap, SR400 Yard Built by Krugger, SR 400 |
Production | 1978 - 2019 |
Class | Road |
Engine | single cylinder, four-stroke |
Bore / Stroke | 87.0mm x 62.7mm |
Compression ratio | 8.5:1 |
Horsepower | 22.4 HP (16.7 KW) @ 6500RPM |
Torque | 20.21 ft/lbs (27.4 Nm) @ 3000RPM |
Air Filter | K&N YA-5008 `14-17[1] |
Ignition | tci: transistor controlled ignition |
Spark Plug | NGK BPR6ES[2] |
Battery | YUASA GT4B-5 |
Transmission | Gear box: 5-speed Final Drive: chain |
Final Drive | Chain: 428 `15-19[3] |
Suspension | Front: telescopic Rear: swdual shock swingarm |
Brakes | Front: single disc. hydraulic. Rear: expanding brake (drum brake) |
Front Tire | 90/100-18 |
Rear Tire | 110/90-18 |
Recommended Tire Pressure | Front: 25 [2] psi Rear: 29 [2] psi |
Wheelbase | 55.51 inches (1410 mm) |
Length | 82.09 inches (2085 mm) |
Width | 29.53 inches (750 mm) |
Height | 43.11 inches (1095 mm) |
Seat Height | 30.91 inches (785 mm) |
Weight | 335.1 pounds (152.0 Kg) (dry), 174.0 kg (wet) |
Oil Capacity | Change: 2.00L with oil filter removal: 2.1L[2] |
Oil Filter | K&N KN-145[1] |
Recommended Oil | Yamalube 10W-40[2] |
Fuel Capacity | 3.17 Gallon (12.00 Liters) |
Fuel Consumption | 3.56 liters/100 km (28.1 km/l or 66.07 mpg) |
Manuals | Service Manual |
The Yamaha SR400 was a single cylinder, four-stroke Naked motorcycle produced by Yamaha between 1978 and 2019. Max torque was 20.21 ft/lbs (27.4 Nm) @ 3000 RPM. Claimed horsepower was 22.4 HP (16.7 KW) @ 6500 RPM.
Engine[edit | edit source]
The engine was a air cooled single cylinder, four-stroke. A 87.0mm bore x 62.7mm stroke result in a displacement of just 399.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive[edit | edit source]
The bike has a 5-speed transmission. Power was moderated via the wet, multiple disc.
Chassis[edit | edit source]
It came with a 90/100-18 front tire and a 110/90-18 rear tire. Stopping was achieved via single disc. hydraulic. in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic while the rear was equipped with a swdual shock swingarm. The SR400 was fitted with a 3.17 Gallon (12.00 Liters) fuel tank. The bike weighed just 335.1 pounds (152.0 Kg). The wheelbase was 55.51 inches (1410 mm) long.
1978 - 2002 Yamaha SR 400[edit | edit source]
The road sport models SR400 and SR500 were released in 1978, following in the steps of the XT500 which had the same single cylinder engine.
2002 - 2006 Yamaha SR 400[edit | edit source]
The 2002 SR 400 has a lower displacement, achieved with a different crankshaft and shorter piston stroke. The SR 400 was produced until 2008 and then reintroduced in 2010 with a fuel injection system in place of the 'old' carburetor.
2011 Yamaha SR 400[edit | edit source]
For 2010 Yamaha has replaced the carburetor with a fuel injection, a new exhaust with a catalyser and a new sensor bigger than before, and a fuel pump is required to pressurise the injector.
2012 - 2016 Yamaha SR 400[edit | edit source]
The 2012 Yamaha SR 400 is powered by a 399 cc, single-cylinder, air-cooled, SOHC, 2-valve engine that produces a torquey, “thumper” engine character that makes it an absolute blast to ride. Fuel injection gives the motor fantastic response and modern practicality.
Videos[edit | edit source]
In Movies[edit | edit source]
- The Hangover Part II
- Din Nam Lom Fai
- Matataki
- Istine i lai
- Miseinen dakedo kodomo janai
- Hana to Arisu satsujin jiken
- Lou biu, lei hou hea!
- Bakuon!!
- Kare no ootobai, kanojo no shima
- Khao riak phom wa kwam rak
References[edit | edit source]
- ↑ 1.0 1.1 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.
- ↑ 2.0 2.1 2.2 2.3 2.4 2019 SR400 Owners Manual. Yamaha.
- ↑ 2019 Western Power Sports Catalog. Western Power Sports. 2019.