Honda CB1100 EX / CB1100 RS 2021 Maintenance Schedule
The 2021 Honda CB1100 EX / CB1100 RS maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, spark plugs, valve clearance, oil, tires, air filter, drive chain maintenance and brake fluid. Intervals are shown in kilometres by default and can be switched to miles.
Sourced from American Honda Motor Co. (Owners Manual) (this document covers model years 2017–2022): hondamotopub.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Crankcase Breather Cleaning | Every 4,000 mi | Easy–Moderate | Clean crankcase breather. |
| Spark Plug Replacement | Every 8,000 mi | Easy–Moderate | Replace spark plug. |
| Steering Head Bearings Inspection | Every 8,000 mi | Advanced | Inspect steering head bearings for looseness or damage. |
| Valve Clearance Inspection | Every 12,000 mi | Advanced | Inspect and adjust valve clearance. |
| Engine Oil Change | Every 8,000 mi (first at 600 mi) · Replace every 12 months | Easy | Replace engine oil. |
| Brake Pads Wear Inspection | Every 4,000 mi | Easy–Moderate | Inspect brake pad wear. |
| Clutch System Inspection | Every 8,000 mi | Easy–Moderate | Inspect clutch lever freeplay and system operation. |
| Clutch Fluid Inspection | Every 4,000 mi · Replace every 24 months | Moderate | Inspect clutch fluid level and condition. |
| Side Stand Inspection | Every 8,000 mi | Easy–Moderate | Inspect side stand operation. |
| Suspension Inspection | Every 8,000 mi | Easy–Moderate | Inspect front and rear suspension. |
| Wheels/Tires Inspection | Every 8,000 mi | Moderate | Inspect wheels and tires for damage and wear. |
| Fuel Line Inspection | Every 8,000 mi | Easy–Moderate | Inspect fuel line for leaks, cracks, or damage. |
| Throttle Operation Inspection | Every 8,000 mi | Easy–Moderate | Check throttle grip freeplay and smooth operation. |
| Air Cleaner Replacement | Every 12,000 mi | Easy | Replace air cleaner element. |
| Engine Oil Filter Replacement | Every 16,000 mi (first at 600 mi) | Easy | Replace engine oil filter. |
| Engine Idle Speed Inspection | Every 8,000 mi | Easy–Moderate | Check and adjust engine idle speed. |
| Secondary Air Supply System Inspection | Every 16,000 mi | Easy–Moderate | Inspect secondary air injection system. |
| Drive Chain Inspection & Lubrication | Every 600 mi | Easy | Inspect drive chain slack and condition, and lubricate. |
| Brake Fluid Inspection | Every 4,000 mi · Replace every 24 months | Moderate | Inspect brake fluid level and condition. |
| Brake System Inspection | Every 8,000 mi | Moderate | Inspect overall brake system operation. |
| Headlight Aim Inspection | Every 8,000 mi | Easy–Moderate | Inspect and adjust headlight aim. |
| Nuts, Bolts, Fasteners Inspection | Every 8,000 mi | Easy–Moderate | Check and tighten nuts, bolts, and fasteners. |
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Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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