Harley-Davidson CVO Ultra Classic 2008 Owner's Manual
![Harley-Davidson CVO Ultra Classic 2008 Motorcycle manual cover](/images/CUaTPfqvxSQiqtXFzuclRirb/thumbs/thumb175x175.webp)
The recommended oil type for the 2008 Harley-Davidson CVO Ultra Classic is SAE 20W50 synthetic motorcycle oil.
To adjust the rear suspension, locate the air suspension valve near the rear tire. Use an air pump designed for motorcycle suspension to add or release air until the desired ride height and comfort are achieved.
The recommended tire pressure for the 2008 CVO Ultra Classic is 36 PSI for the front tire and 40 PSI for the rear tire.
It is advisable to inspect and potentially replace the air filter every 5,000 miles or more frequently if you ride in dusty conditions.
First, check the battery charge and connections. Ensure the kill switch is set to 'Run'. Verify that the fuel is fresh and the fuel valve is on. If these steps do not resolve the issue, consult a professional mechanic.
To improve fuel efficiency, keep your motorcycle well-maintained with regular oil changes and air filter replacements. Also, ensure your tires are properly inflated and adopt smooth acceleration and braking habits.
The 2008 CVO Ultra Classic requires a 12V AGM (Absorbed Glass Mat) battery, which offers better durability and performance.
To change the brake fluid, open the brake fluid reservoir, siphon out the old fluid, and replace it with DOT 4 brake fluid. Bleed the brakes to eliminate any air bubbles. Always follow the manufacturer's guidelines.
If overheating occurs, check the coolant level, radiator condition, and ensure the cooling fans are operational. Avoid riding in extreme heat and allow the engine to cool before further inspection or riding.
To maintain chrome parts, regularly clean them with a mild soap and water solution. Dry completely and apply a chrome polish to prevent rust and maintain shine. Avoid using harsh chemicals that could damage the finish.