BMW F 800 ST 2009 Rider's Manual

BMW F 800 ST 2009 Motorcycle manual cover
Pages 155
Year 2009
Language(s)
English en

BMW F 800 ST 2009 Motorcycle Specification

The BMW F 800 ST 2009 is a versatile and dynamic mid-range sport-touring motorcycle designed to provide both performance and comfort. It is powered by a liquid-cooled, 4-stroke, parallel-twin engine with a displacement of 798 cc, delivering a robust 85 horsepower at 8,000 rpm and a peak torque of 63 lb-ft at 5,800 rpm. The engine is mated to a 6-speed transmission, ensuring smooth and responsive gear changes.

The motorcycle features a lightweight aluminum frame that contributes to its overall agility and maneuverability. The front suspension consists of a 43 mm telescopic fork with a travel of 140 mm, while the rear suspension is equipped with a single-sided swingarm and a central spring strut, offering a travel of 140 mm. This setup provides a balanced and comfortable ride, whether on city streets or winding country roads.

Braking performance is ensured by dual 320 mm discs with four-piston calipers at the front and a single 265 mm disc with a single-piston caliper at the rear. The F 800 ST comes with standard ABS to enhance safety during braking. The bike rides on 17-inch cast aluminum wheels, fitted with 120/70 ZR17 tires at the front and 180/55 ZR17 tires at the rear.

Aesthetically, the BMW F 800 ST features a sleek and aerodynamic design, with a comfortable, upright riding position that is ideal for long-distance touring. The fuel tank has a capacity of 4.2 gallons, providing a respectable range for extended journeys. The motorcycle also includes a multifunctional instrument cluster with an analog tachometer, digital speedometer, and onboard computer to keep the rider informed of essential metrics.

Overall, the BMW F 800 ST 2009 balances sporty performance with touring capabilities, making it a suitable choice for riders seeking versatility and reliability in a mid-range motorcycle.

BMW F 800 ST 2009 Motorcycle F.A.Q.

How do I perform an oil change on the BMW F 800 ST 2009?

To perform an oil change, warm up the engine, place the bike on a stand, remove the oil drain plug and let the oil drain completely. Replace the oil filter with a new one, reinstall the drain plug, and fill the engine with the recommended oil type and quantity.

What should I do if the engine won't start?

If the engine won't start, check the battery for sufficient charge, ensure the fuel tank has gas, inspect the fuses, and confirm the kill switch is in the 'run' position. If these steps don't work, consult a professional mechanic.

How often should I replace the air filter on my BMW F 800 ST 2009?

The air filter should be inspected every 6,000 miles and replaced every 12,000 miles, or more frequently if you ride in dusty conditions.

What is the recommended tire pressure for front and rear tires?

The recommended tire pressure for the BMW F 800 ST 2009 is 36 psi for the front tire and 42 psi for the rear tire. Always check tire pressure when the tires are cold.

How do I adjust the chain tension?

To adjust the chain tension, place the motorcycle on a stand, loosen the rear axle nut, adjust the chain tension using the adjusters on both sides, ensuring equal adjustments on both sides, and retighten the axle nut. Check for proper tension and alignment.

What type of coolant is recommended for the BMW F 800 ST 2009?

Use a high-quality ethylene glycol-based coolant that is free of silicates, nitrates, and amines. It's crucial to ensure compatibility with aluminum engines.

How can I improve the fuel efficiency of my motorcycle?

To improve fuel efficiency, maintain proper tire pressure, use high-quality fuel, regularly clean or replace the air filter, and ensure the engine is well-tuned. Also, practice smooth acceleration and deceleration.

What should I do if I experience excessive vibration while riding?

Check the wheel balance, inspect the tires for uneven wear or damage, and ensure all bolts and fasteners are tightened to specifications. If the issue persists, consult a professional mechanic.

How do I replace the brake pads on the BMW F 800 ST 2009?

To replace brake pads, remove the caliper bolts, slide the caliper off, remove the old pads, compress the caliper piston, install new pads, and reattach the caliper. Ensure all bolts are torqued to spec and test brakes before riding.

What regular maintenance should be performed on the BMW F 800 ST 2009?

Regular maintenance includes oil and filter changes, air filter replacement, checking and adjusting chain tension, inspecting brake pads and fluid, checking coolant levels, and inspecting tires for wear and proper inflation.