Moto Guzzi GRISO 850 Service Manual

Moto Guzzi GRISO 850 Motorcycle manual cover
Pages 227
Year 2007
Language(s)
English en

Moto Guzzi GRISO 850 Motorcycle Specification

The Moto Guzzi GRISO 850 is a distinctive motorcycle that blends Italian craftsmanship with performance engineering. This model is powered by an 877cc, air-cooled, four-stroke V-twin engine, which delivers robust power and smooth torque across a wide range of RPMs. The engine is equipped with a 90-degree cylinder angle, enhancing its balance and providing a distinctive engine note. The GRISO 850 employs a 6-speed transmission, ensuring seamless gear shifts and optimal power delivery. Its final drive is managed by a shaft system, which is known for its durability and low maintenance requirements compared to chain-driven alternatives.

The motorcycle's frame is a tubular steel twin-spar design, offering a balance of rigidity and weight distribution that contributes to precise handling and stability. The suspension system features an upside-down telescopic fork at the front and a mono-shock absorber at the rear, both adjustable for preload to cater to different riding preferences and conditions. The GRISO 850 is equipped with dual front disc brakes and a single rear disc brake, providing reliable stopping power and enhanced safety.

Aesthetically, the GRISO 850 stands out with its muscular, aggressive stance and clean lines, capturing the essence of Moto Guzzi's design philosophy. The bike's ergonomics are designed for rider comfort on long journeys, with a well-padded seat and strategically positioned handlebars. The instrument cluster combines analog and digital displays, offering essential riding information at a glance. The fuel tank capacity of 16.7 liters supports longer rides without frequent refueling. Overall, the Moto Guzzi GRISO 850 is a blend of style, performance, and heritage, appealing to riders who appreciate a unique and engaging motorcycling experience.

Moto Guzzi GRISO 850 Motorcycle F.A.Q.

How do I perform an oil change on the Moto Guzzi GRISO 850?

To perform an oil change on the Moto Guzzi GRISO 850, warm up the engine, place the bike on a stable surface, and use a wrench to remove the oil drain plug located at the bottom of the engine. Allow the oil to drain completely, replace the oil filter with a new one, and refill with the recommended oil type and quantity. Finally, check for leaks and ensure the oil level is correct.

What should I do if the engine of my GRISO 850 won't start?

If the engine won't start, check the battery for sufficient charge and ensure the kill switch is in the 'Run' position. Inspect the fuel level and ensure the fuel valve is open. Check the spark plugs for fouling and replace if necessary. If the problem persists, consult a professional mechanic as it might be an issue with the starter motor or ignition system.

How often should I replace the spark plugs on my GRISO 850?

It is recommended to replace the spark plugs every 7,500 miles (12,000 km) or as specified in your owner's manual. Regular inspection and replacement ensure optimal engine performance and fuel efficiency.

What tire pressure should I maintain for the GRISO 850?

The recommended tire pressure for the Moto Guzzi GRISO 850 is typically 36 psi for the front tire and 42 psi for the rear tire. Always refer to the owner's manual or the tire information label on the motorcycle for the most accurate specifications.

How can I improve the suspension setup on my GRISO 850 for a smoother ride?

To improve the suspension setup, adjust the preload, rebound, and compression settings according to your weight and riding style. Consult the owner's manual for recommended settings. If further refinement is needed, consider upgrading to aftermarket suspension components.

What are the common causes of overheating in the GRISO 850?

Common causes of overheating include low coolant levels, a malfunctioning thermostat, a clogged radiator, or a faulty water pump. Regularly check coolant levels and inspect the cooling system components for signs of wear or damage.

How do I adjust the throttle play on the GRISO 850?

To adjust the throttle play, locate the throttle cable adjuster near the handlebars. Loosen the locknut and turn the adjuster to achieve the desired play, typically 2-3 mm. Tighten the locknut once the adjustment is complete.

What maintenance tasks should be performed regularly on the GRISO 850?

Regular maintenance tasks include oil changes, air filter cleaning/replacement, chain lubrication and adjustment, brake inspection, and checking tire pressure. Refer to the service manual for a detailed maintenance schedule.

How can I troubleshoot electrical issues on my GRISO 850?

To troubleshoot electrical issues, start by checking the battery connections and charge. Inspect the fuses and replace any that are blown. Check for loose or corroded wiring connections. Use a multimeter to test electrical components for continuity and proper function.

What is the recommended break-in procedure for a new GRISO 850 engine?

For a new engine, avoid high RPMs and aggressive riding for the first 600 miles (1,000 km). Vary the engine speed and avoid prolonged idling. After the break-in period, perform an oil change and check all fluid levels.