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Fantic · Two-stroke single, premix, chain drive

XX 250

Library entry covers 2022-2024

47 factory 51 guideline

Published source

Fantic 2-Strokes Use and Maintenance Manual Ed. 01/2023, maintenance table XX 250 version (ManualsLib viewer pp.63-65)

Factory source. Covers Fantic 2-Strokes Use and Maintenance Manual, Edition 01/2023 (XX 125, XE 125, XX 250); other editions not compared.

98 items for a 2023 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: Two-stroke
Engine lubrication: Two-stroke premix (oil in fuel)
Oil filtration: None (no filter)
Valve gear: None (two-stroke porting)
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: Separate gearbox 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

2023 Fantic XX 250

On the road: every 200 km

1 item

Check two-stroke oil tank / carry premix oil

Pre-ride / on the road

Guideline

Running a two-stroke out of oil seizes it. Injection bikes: check the tank. Premix: carry oil and a measure.

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 800 km

1 item

Check coolant level

Pre-ride / on the road

Guideline

On the road: every 1,000 km

1 item

Check chain slack and rear wheel alignment

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 3,000 km or 12 months

1 item

Replace spark plugs (two-stroke)

Engine

Guideline

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 5,000 km or 2 years

1 item

Decarbonize exhaust ports, pipes and baffles

Engine

Guideline

Two-strokes coke up the exhaust port and muffler baffles; power falls off gradually.

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 9,500 km or 12 months

7 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 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 16,000 km or 2 years

2 items

Compression test (or leak-down)

Engine

Guideline
Change gearbox oil

Primary and gearbox

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 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 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 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 2.5 h

26 items

Coolant level and leakage (check)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Cooling hoses (inspect)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Cylinder (inspect and clean for score marks and wear)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours); replace as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Muffler (inspect and retighten)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Outside nuts and bolts (retighten)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston pin and small end bearing (inspect)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston rings (inspect; check end gap)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Relay arm and connecting rod (inspect, lubricate, retighten)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Spark plug (inspect and clean)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours); replace as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Air filter (clean and lubricate with foam air filter oil)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours); replace as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Carburetor (inspect, adjust and clean)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Cylinder head (inspect, clean carbon, check gasket; retighten)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston (inspect and clean; check for cracks, remove carbon)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
YPVS power valve (inspect, clean carbon)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Clutch: housing, friction plates, clutch plates and springs (inspect and adjust)

Primary and gearbox

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours); replace as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Drive chain (lubricate; adjust slack 48.0-58.0 mm and alignment)

Final drive

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours); replace as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Drive chain guide and rollers (inspect for wear or damage)

Final drive

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Front forks (inspect and adjust)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Steering head free play (inspect and retighten)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Frame (clean and inspect)

Rear suspension and frame

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Rear shock absorber (inspect, adjust and retighten)

Rear suspension and frame

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Swingarm (inspect, lubricate with molybdenum disulfide grease, retighten)

Rear suspension and frame

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Brake disc, caliper, master cylinder and union bolts (retighten)

Brakes

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Brakes: lever position, pedal height, pivot lubrication, disc surface, fluid level and leakage (check)

Brakes

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Tires and wheels: pressure, run-out, wear, spoke looseness; sprocket bolts (inspect and retighten)

Wheels and tires

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Throttle and control cables: routing, connection and lubrication

Controls and cables

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every race (about 2.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.

Every 7.5 h

3 items

Fuel tank and fuel cock (clean and inspect)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every third race (about 7.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Rear shock absorber (lubricate with molybdenum disulfide grease)

Rear suspension and frame

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every third race (about 7.5 hours) and as required after a rain ride. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Wheel bearings (inspect) and wheels (lubricate with lithium grease)

Wheels and tires

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every third race (about 7.5 hours); replace bearings as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.

Every 12.5 h

7 items

Muffler (clean)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every fifth race (about 12.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every fifth race (about 12.5 hours) and as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston rings (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every fifth race (about 12.5 hours) and as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Crankshaft (inspect and clean for carbon deposits and damage)

Fuel and air

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every fifth race (about 12.5 hours) and as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Transmission oil (replace; 10W-40 API SL / JASO MA MA2)

Primary and gearbox

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every fifth race (about 12.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Front fork oil (replace)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and every fifth race (about 12.5 hours). Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Steering head (clean and lubricate with lithium grease)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every fifth race (about 12.5 hours); replace bearings as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 12 months

1 item

Brake fluid (replace)

Brakes

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every one year. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.

Every 2 years

5 items

Coolant (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): every two years. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
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

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

No interval set

9 items

Cylinder head and gasket (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Kick starter idle gear (inspect; replace as required)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Muffler fiber (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required, when the exhaust gets louder or performance drops. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Piston pin and small end bearing (replace)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Radiator cap operation (check)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Rotor nut (retighten)

Engine

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): after break-in and as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Front fork oil seals and dust seals (replace)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Transmission, bearings, shift fork, shift cam and guide bar (inspect; replace bearings)

Front end

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.
Brake pads (replace)

Brakes

Factory

Factory: Maintenance table, XX 250 version (manual pp.62-64, ManualsLib viewer pp.63-65): as required. Columns as printed: after break-in, every race (about 2.5 hours), every third race (about 7.5 hours), every fifth race (about 12.5 hours), as required.

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.