Harley-Davidson Dyna Wide Glide 105th Anniversary Edition 2008 Owner's Manual

The recommended oil type is Harley-Davidson SAE 20W50 Synthetic Motorcycle Oil. It is designed to provide optimal performance and protection for your engine.
It is recommended to change the oil every 5,000 miles or once a year, whichever comes first. Regular oil changes are crucial for maintaining engine performance and longevity.
The recommended tire pressure is 36 psi for the front tire and 40 psi for the rear tire. Ensure to check the pressure regularly to maintain optimal handling and safety.
Start by checking the battery connections and charge. If the battery is fine, inspect the spark plugs and fuel system. Ensure the kill switch is not engaged and the clutch lever is fully pulled in.
Regular maintenance tasks include oil changes, checking tire pressure, inspecting brakes and brake fluid, lubricating the chain, and checking the battery and electrical system.
To adjust the suspension, refer to your owner's manual for the correct settings. Typically, the rear shocks are adjustable for preload using a spanner wrench to increase or decrease stiffness.
If the motorcycle overheats, first stop and turn off the engine. Check coolant levels if applicable, and ensure the oil level is adequate. Let the engine cool before investigating further.
Aftermarket exhaust systems can be used, but it's crucial to ensure they are compatible with your model. Proper tuning may be necessary to avoid performance issues and maintain compliance with emissions regulations.
To improve fuel efficiency, ensure regular maintenance such as air filter cleaning/replacement, proper tire pressure, and use recommended fuel grades. Riding smoothly and avoiding excessive idling can also help.
Winterizing involves cleaning the bike thoroughly, changing the oil, adding a fuel stabilizer, and removing the battery to store in a warm place. Cover the motorcycle to protect it from dust and moisture.