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Royal Enfield · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

HNTR 350

Library entry covers 2023-2024

39 factory 48 guideline

Published source

Royal Enfield HNTR 350 Owner's Manual (German), Edition 11 March 2024, part no. RAM00504/A, Regelmaessige Wartung pp.88-94

Factory owner's handbook. Covers Royal Enfield HNTR 350 owner's manual, German edition of 11 March 2024 (part no. RAM00504/A).

87 items for a 2024 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: Wet sump (oil in crankcase)
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: Air / oil cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Hand lever, cable
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Disc, hydraulic
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2024 Royal Enfield HNTR 350

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

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 1,000 km

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 500 km

1 item

Rear drive chain (clean, lubricate)

Final drive

Factory

Factory: Periodic maintenance (pp.88-94): clean and lubricate every 500 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

Every 1,000 km

3 items

Engine oil level (check)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): check the level every 1,000 km or sooner and top up if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Clutch lever and cable play (adjust)

Primary and gearbox

Factory

Factory: Periodic maintenance (pp.88-94): adjust every 1,000 km or sooner as needed; replace if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Hand and foot levers (lubricate)

Controls and cables

Factory

Factory: Periodic maintenance (pp.88-94): lubricate every 1,000 km or sooner if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

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 6 months

19 items

All fasteners (check tightness)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Evaporative system rubber hoses (inspect), overflow drain by removing the plug

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km; R at 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Rubber intake adapter hose (inspect)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Starter and starter relay connections (inspect)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Throttle (adjust)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): adjust every 5,000 km or sooner if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Breather pipe under the air filter box (inspect)

Fuel and air

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Fuel injector hose (inspect)

Fuel and air

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Battery terminals (clean, apply petroleum jelly)

Ignition and electrics

Factory

Factory: Periodic maintenance (pp.88-94): C at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Ignition lead (inspect for cracks)

Ignition and electrics

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Rear drive chain (clean, lubricate, adjust)

Final drive

Factory

Factory: Periodic maintenance (pp.88-94): clean, lubricate and adjust every 5,000 km, or sooner as needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Front fork oil (inspect)

Front end

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Steering bearing play (check, adjust)

Front end

Factory

Factory: Periodic maintenance (pp.88-94): check and adjust every 5,000 km, lubricate if needed, or sooner as needed; replace if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Side stand switch (inspect)

Rear suspension and frame

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Swingarm bushes and spacer (check, adjust)

Rear suspension and frame

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km; check and adjust every 5,000 km, lubricate if needed, or sooner as needed; replace if needed. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Brake fluid level, front and rear disc (inspect)

Brakes

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Brake pads, front and rear (inspect)

Brakes

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Front and rear brake hoses and banjo bolts (inspect)

Brakes

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Side stand, center stand, pillion footrests, shift lever, brake pedal and levers (lubricate)

Brakes

Factory

Factory: Periodic maintenance (pp.88-94): L at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Tire wear pattern, front and rear (inspect)

Wheels and tires

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 5,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

Every 5,000 km or 12 months

10 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean drive chain thoroughly (remove and soak, re-lube)

Final drive

Guideline

Non O-ring chains on old machines: remove, clean, soak in hot chain grease or lube, refit with the master link clip closed end leading.
Inspect chain and sprockets for wear (measure stretch)

Final drive

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 spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

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

6 items

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 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 10,000 km or 12 months

8 items

Engine oil (replace)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): R at 500 km and every 10,000 km; I at the 5,000 km services between. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Engine oil filter (replace)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): R at 500 km and every 10,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Engine oil strainer, left crankcase (clean)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): C at 500 km and every 10,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Front and rear rim runout (inspect)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I at 500 km and every 10,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Intake and exhaust tappet clearance (inspect, adjust)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): I and A every 10,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Throttle body (clean)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): every 10,000 km or 12 months, or sooner if needed: remove the throttle body and clean it with a dry microfiber cloth; throttle body cleaners, solvents and alcohol-based liquids must not be used. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Air filter element (clean)

Fuel and air

Factory

Factory: Periodic maintenance (pp.88-94): C at 500 km and at 5,000, 15,000, 25,000, 35,000 and 45,000 km; clean or replace more often in dusty conditions. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Air filter element (replace)

Fuel and air

Factory

Factory: Periodic maintenance (pp.88-94): R every 10,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

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 19,500 km or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 20,000 km or 2 years

5 items

Spark plug (clean, adjust)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): C and A at 10,000, 30,000 and 50,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Spark plug (replace)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): R at 20,000 and 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Front fork oil (replace)

Front end

Factory

Factory: Periodic maintenance (pp.88-94): R at 20,000 and 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Brake fluid (replace)

Brakes

Factory

Factory: Periodic maintenance (pp.88-94): R at 20,000 and 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.
Rear wheel drive rubbers (inspect, replace)

Wheels and tires

Factory

Factory: Periodic maintenance (pp.88-94): I and R at 20,000 and 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

Every 20,000 km

1 item

Ground cable eyelet tightness (inspect)

Controls and cables

Factory

Factory: Periodic maintenance (pp.88-94): I at 20,000 and 50,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

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 29,000 km

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 30,000 km or 3 years

1 item

Fuel filter in the fuel pump (replace)

Fuel and air

Factory

Factory: Periodic maintenance (pp.88-94): R at 30,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

Every 32,000 km or 4 years

2 items

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 38,500 km or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 40,000 km or 4 years

1 item

Evaporative system rubber hoses (replace)

Engine

Factory

Factory: Periodic maintenance (pp.88-94): R at 40,000 km. Codes: A = adjust; C = clean; I = inspect (clean, adjust, lubricate or replace if needed); L = lubricate; R = replace. Columns: 500 km (300 mi, 1.5 months), then every 5,000 km (3,000 mi, 6 months) to 50,000 km (30,000 mi, 60 months), whichever comes first. After 50,000 km repeat the intervals. Shorten intervals for severe or very dusty conditions. Translated from the German edition.

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

3 items

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

2 items

Replace inner tubes and rim tape with tires

Wheels and tires

Guideline
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.