Maintenance Intervals

- oil and filter every 8,000
- air filter every 16,000
- clutch fluid every 2 years
- brake fluid every 2 years
- spark plugs every 16,000
- coolant every 3 years
- final drive fluid every 3 years

In short, just like a current GL1800, every 4,000 miles Honda says it needs some sort of service or inspection.