Yamaha SR400G, SR400GC SR400 2016 Owner's Manual

Yamaha SR400G, SR400GC SR400 2016 manual cover
Pages 104
Year 2016
Language(s)
English en

Yamaha SR400G, SR400GC SR400 2016 Specification

The Yamaha SR400G, SR400GC, and SR400 2016 models are renowned for their classic design and robust performance, embodying the timeless appeal of Yamaha's engineering. These motorcycles are powered by a 399cc air-cooled, single-cylinder, 4-stroke, SOHC, 2-valve engine, delivering a balanced combination of power and efficiency. The engine is paired with a 5-speed constant mesh transmission, ensuring smooth and responsive gear shifts.

The fuel system features a Mikuni fuel injection, enhancing fuel efficiency and throttle response. The SR400 series boasts a semi-double cradle frame, providing a sturdy and stable riding experience. The suspension system consists of a telescopic front fork with 150mm travel and dual shock rear absorbers with 125mm travel, ensuring a comfortable and controlled ride over various terrains.

The braking system includes a hydraulic single disc at the front and a mechanical drum at the rear, offering reliable stopping power. The classic spoked wheels are equipped with 90/100-18 front and 110/90-18 rear tires, contributing to the bike's vintage aesthetic and handling capabilities. The SR400 series features a kick starter, adding to its retro charm.

Aesthetically, the SR400 models maintain a minimalist and timeless design with a round headlamp, chrome accents, and a traditional fuel tank shape. The instrument panel is straightforward, featuring an analog speedometer and odometer, contributing to the bike's nostalgic appeal.

Ergonomically, the seat height is set at 785mm, making it accessible for riders of various heights. The overall dimensions of 2085mm in length, 750mm in width, and 1095mm in height, combined with a wheelbase of 1410mm, provide a balanced and manageable profile. Weighing in at approximately 174 kg (383 lbs) with oil and a full fuel tank, the SR400 series is both nimble and substantial, offering a versatile riding experience for enthusiasts of classic motorcycles.

Yamaha SR400G, SR400GC SR400 2016 F.A.Q.

How do I perform regular maintenance on my Yamaha SR400?

Regular maintenance for the Yamaha SR400 includes checking and changing the engine oil every 3,000 miles, inspecting the air filter, checking tire pressure, and ensuring that the chain is properly lubricated and tensioned. Regularly inspect brake pads and replace them if worn.

What should I do if my Yamaha SR400 won't start?

If your Yamaha SR400 won't start, first check the fuel level and ensure that the fuel valve is open. Verify that the battery is charged and the spark plug is in good condition. Inspect the kill switch and make sure it is in the 'run' position.

How can I troubleshoot electrical issues on my Yamaha SR400?

Start by checking all fuses and ensure none are blown. Inspect the wiring for any visible damage or loose connections. Check the battery terminals for corrosion. Use a multimeter to verify voltage levels throughout the electrical system.

What is the correct tire pressure for the Yamaha SR400?

The recommended tire pressure for the Yamaha SR400 is 29 psi (200 kPa) for the front tire and 33 psi (225 kPa) for the rear tire. Always refer to the owner's manual for the most accurate information.

How do I adjust the chain tension on my Yamaha SR400?

To adjust the chain tension, loosen the axle nut and the lock nuts on the chain adjusters. Turn the adjusters equally on both sides to achieve the correct tension, which should have about 1 inch (25 mm) of slack. Retighten the axle nut and lock nuts securely.

How often should I replace the spark plug on my Yamaha SR400?

The spark plug should be inspected every 6,000 miles and replaced every 12,000 miles or sooner if it shows signs of wear or damage. Always use the recommended spark plug type specified in the owner's manual.

What kind of oil should I use for my Yamaha SR400?

Use a high-quality motorcycle oil with a viscosity grade of 10W-40 that meets the JASO MA standard. Yamalube is the recommended brand, but equivalent alternatives are acceptable if they meet the specifications.

How do I clean the air filter on my Yamaha SR400?

Remove the air filter cover and take out the air filter. If it is a foam filter, clean it with warm soapy water and let it dry completely. Lightly oil the filter before reinstalling it. If it is a paper filter, replace it if it is dirty or clogged.

How can I improve the fuel efficiency of my Yamaha SR400?

To improve fuel efficiency, ensure the tires are properly inflated, perform regular maintenance, and avoid aggressive throttle use. Smooth acceleration and maintaining a steady speed can also help improve fuel economy.

What are common issues to watch for with the Yamaha SR400?

Common issues include carburetor clogging, electrical problems due to loose connections, and chain wear. Regular inspections and maintenance can prevent these issues. Always refer to the service manual for detailed troubleshooting guides.