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Scorpa · Two-stroke single, premix, chain drive

SC 250

Library entry covers 2017-2024

47 factory 52 guideline

Published source

Scorpa Owner's Manual Trial 125-250-300 SC-R Racing 2025, Maintenance schedule pp.67-68 (English section)

Factory owner's handbook. Covers Scorpa 2025 trial owner's manual covering the 125, 250 and 300 two-strokes (SC-R Racing); hours-based. Earlier model years are not confirmed to use the same chart..

99 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
Single carburetor
Cooling
Liquid cooled
Primary drive
Gear or chain inside engine, shares engine oil
Gearbox oil
Separate gearbox oil
Clutch control
Hand lever, hydraulic
Final drive
Chain
Front suspension
Telescopic fork
Rear suspension
Swingarm, single shock / cantilever
Front brake
Disc, hydraulic
Rear brake
Disc, hydraulic
Wheels
Spoked, tubed
Sidecar
No sidecar
Maintenance schedule

2023 Scorpa SC 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

11 items
  • Check throttle cable(s) free play and return
    Fuel and air
    Guideline
  • Clean fuel tap filter / sediment bowl
    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

1 item
  • Inspect, clean and gap spark plugs
    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.

  • Clean carburetor float bowl(s), check float level and jets
    Fuel and air
    Guideline

    Ethanol fuel varnishes old carbs quickly in storage.

  • 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
  • Clean and grease rear suspension linkage
    Rear suspension and frame
    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 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 20 h

38 items
  • Check headlight adjustments
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Check slack in suspension rods
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check that nuts and bolts are tight
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check that the rims are not bent
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check that wires are not damaged or bent
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the coolant level
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the flap valve
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Check the idle speed
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the interference filter
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Check the play of the accelerator grip
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the spark plug
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Inspect all tubes and the dust cover for possible cracks or leak-tight defects
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Clean the air filter and the air filter housing
    Fuel and air
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the clutch
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the clutch fluid level
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Replace gearbox oil
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the chain tension
    Final drive
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the final drive, the chain, the sprocket, the pinion, and the chain guide
    Final drive
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check slack in steering column
    Front end
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Conduct fork maintenance
    Front end
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use.

  • Check possible slack in swingarm bearings
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check shock absorber attachments
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check that the shock absorber is leak tight
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use.

  • Check the frame
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the swingarm
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check condition and leak-tightness of brake lines
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check front brake discs
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check front brake pads
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check rear brake pads
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the brake fluid level
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the free clearance of the front brake pedal (printed wording; the front brake is lever-operated)
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the free clearance of the rear brake pedal
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check possible wheel hub slack
    Wheels and tires
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check spoke tension
    Wheels and tires
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check tire condition
    Wheels and tires
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check tire pressure
    Wheels and tires
    Factory

    Factory: Maintenance schedule (English section, p.67): marked after 3 hours; every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check wheel hubs
    Wheels and tires
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

  • Check the condition of the throttle cable
    Controls and cables
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 20 hours of use; every 60 hours of use; every 100 hours of use; after each ride.

Every 60 h

1 item
  • Replace clutch spring
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 60 hours of use.

Every 100 h

1 item
  • Replace the muffler steel wool
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.67): marked every 100 hours of use.

Every 120 h

1 item
  • Engine maintenance: replace the rod, the needle basket, the crank pin basket and the piston; check the cylinder; check the gearbox and shifting mechanism; replace all engine bearings
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every 120 hours of use; every 40 hours competition use.

Every 6 months

1 item
  • Clean battery terminals, check charge and strap
    Ignition and electrics
    Guideline

Every 12 months

5 items
  • Lubricate suspension rod bearings
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every year.

  • Replace clutch fluid
    Primary and gearbox
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every year; every 4 years.

  • Lubricate steering column bearings
    Front end
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every year.

  • Lubricate swingarm bearings
    Rear suspension and frame
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every year.

  • Replace brake fluid
    Brakes
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every year; every 4 years.

Every 2 years

5 items
  • Replace coolant
    Engine
    Guideline
  • Inspect wiring, bullet connectors and ground points
    Ignition and electrics
    Guideline
  • Replace hydraulic clutch fluid
    Primary and gearbox
    Guideline
  • Inspect frame, welds and lugs for cracks
    Rear suspension and frame
    Guideline
  • Replace brake fluid
    Brakes
    Guideline

Every 4 years

4 items
  • Replace coolant
    Engine
    Factory

    Factory: Maintenance schedule (English section, p.68): marked every 4 years.

  • 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.

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Guideline
2017-2024
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2017-2024
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