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Honda · Overhead-cam four-stroke twin, dry sump, gearbox shares engine oil, shaft drive

VTX 1800

Library entry covers 2002-2011

27 factory 47 guideline

Published source

Honda VTX1800C owner's manual, maintenance schedule printed pp.56-58 (ManualsLib 972920 pp.68-70)

Factory source. Covers Honda VTX1800C owner's manual (model-code letter C); no edition year seen.

74 items for a 2003 model, grouped by interval the way a factory chart is laid out.

How this bike is built (what the schedule is based on)

Engine cycle: Four-stroke
Engine lubrication: Dry sump (separate oil tank)
Oil filtration: Replaceable cartridge or spin-on filter
Valve gear: Overhead cam, screw/locknut adjusters
Ignition: Electronic (CDI / transistor / ECU)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Fuel injection
Cooling: Liquid cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Hand lever, cable
Final drive: Shaft
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Cast / alloy, tubeless
Sidecar: No sidecar

Maintenance schedule

2003 Honda VTX 1800

On the road: every 300 km

1 item

Check engine oil level

Pre-ride / on the road

Guideline

Each fuel stop on old machines. Dry sump: check the tank hot, engine idling or just stopped, per your manual.

On the road: every 500 km

2 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline

On the road: every 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

Every 1,600 km or 6 months

1 item

Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 5,000 km or 12 months

7 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Check steering head bearing adjustment

Front end

Guideline
Inspect fork seals, stanchions and fork boots

Front end

Guideline
Check footrests, pegs, rear brake and gear lever pivots

Rear suspension and frame

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check brake pads and discs

Brakes

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 6,000 km or 6 months

3 items

Clutch fluid (inspect)

Primary and gearbox

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 6,000 km (4,000 mi) or 6 months.
Brake fluid (inspect)

Brakes

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 6,000 km (4,000 mi) or 6 months.
Brake pad wear (inspect)

Brakes

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 6,000 km (4,000 mi) or 6 months.

Every 6,500 km or 12 months

2 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline

Every 8,000 km or 12 months

2 items

Change engine oil

Engine

Guideline

Pre-1970 machines: many owners run non-detergent or classic-spec oil with no filter, so short intervals matter. Dry sump: drain the tank and the crankcase/sump, flush the tank and clean the feed and return screens.
Replace oil filter

Engine

Guideline

Every 9,500 km or 12 months

8 items

Inspect coolant hoses and clamps

Engine

Guideline
Clean / inspect air filter

Fuel and air

Guideline

Mesh or oiled foam: clean and re-oil. Paper: blow out or replace. Some very early machines have no filter at all.
Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check final drive for leaks and bearing play

Final drive

Guideline
Check swingarm bushes for play

Rear suspension and frame

Guideline
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Lubricate control cables and lever pivots

Controls and cables

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

A dry speedo cable whips the needle and eventually kills the instrument.

Every 12,000 km or 12 months

19 items

Cooling system (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Engine oil (replace)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R at 1,000 km, then every 12,000 km (8,000 mi) or 12 months.
Engine oil filter (replace)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R at 1,000 km, then every 12,000 km (8,000 mi) or 12 months.
Final drive oil (inspect)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I at 12,000 and 24,000 km.
Headlight aim (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Nuts, bolts, fasteners (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Radiator coolant (inspect)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I at 12,000 and 24,000 km.
Secondary air supply system (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Spark plugs (replace)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R every 12,000 km (8,000 mi) or 12 months.
Suspension (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Throttle operation (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Valve clearance (inspect) *

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I at 1,000 km, then every 12,000 km (8,000 mi) or 12 months.
Fuel line (inspect) *

Fuel and air

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Clutch system (inspect)

Primary and gearbox

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Steering head bearings (inspect) **

Front end

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Side stand (inspect)

Rear suspension and frame

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Brake light switch (inspect) *

Brakes

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Brake system (inspect)

Brakes

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.
Wheels/tires (inspect) **

Wheels and tires

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. I every 12,000 km (8,000 mi) or 12 months.

Every 13,000 km or 2 years

1 item

Check and adjust valve clearances

Engine

Guideline

Every 16,000 km or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 18,000 km or 18 months

1 item

Air cleaner (replace)

Fuel and air

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R every 18,000 km (12,000 mi) or 18 months. Note 2: more often in wet or dusty areas.

Every 18,000 km or 2 years

2 items

Clutch fluid (replace)

Primary and gearbox

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R every 18,000 km (12,000 mi); note 3: every 2 years or at the indicated interval, whichever first.
Brake fluid (replace)

Brakes

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R every 18,000 km (12,000 mi); note 3: every 2 years or at the indicated interval, whichever first.

Every 19,500 km or 2 years

4 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Change final drive (rear drive) oil

Final drive

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 24,000 km or 3 years

1 item

Change fork oil

Front end

Guideline

Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.

Every 25,500 km or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 32,000 km or 4 years

3 items

Lubricate drive shaft splines / check U-joint

Final drive

Guideline
Repack / replace steering head bearings

Front end

Guideline

Many old machines use loose balls in cups and cones. Taper roller conversions are common.
Repack / replace wheel bearings

Wheels and tires

Guideline

Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 36,000 km or 2 years

1 item

Radiator coolant (replace)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R at 36,000 km; note 3: every 2 years or at the indicated interval, whichever first.

Every 36,000 km or 3 years

1 item

Final drive oil (replace)

Engine

Factory

Factory: Maintenance schedule (Honda VTX1800C owner's manual, printed pp.56-58; odometer reading whichever comes first: 1,000 km (0.6k mi), 6,000 (4k) / 6 months, 12,000 (8k) / 12, 18,000 (12k) / 18, 24,000 (16k) / 24, 30,000 (20k) / 30, 36,000 km (24k mi) / 36 months; at higher readings repeat at the interval shown). Codes: I = inspect and clean, adjust, lubricate or replace if necessary; C = clean; R = replace; A = adjust; L = lubricate. * dealer item unless mechanically qualified; ** dealer item for safety. Note 3: replace every 2 years or at the indicated interval, whichever comes first. R at 36,000 km (24,000 mi) or 36 months.

Every 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 40,000 km or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 48,500 km or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

4 items

Replace coolant

Engine

Guideline
Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

3 items

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Inspect brake hoses; replace old rubber

Brakes

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

1 item

Replace tires on age (regardless of tread)

Wheels and tires

Guideline

Guideline lines: Intervals here are general guidelines for the machine's era and layout, compiled for this app. They are not factory manual figures. Check your workshop manual, and edit any interval in the bike's Schedule tab.