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GPX Moto · Two-stroke single, premix, chain drive

TSE 300L

Library entry covers 2024

41 factory 38 guideline

Published source

GPX Moto TSE 300R Owner's Handbook, Suggested inspection time for all parts of the vehicle printed p.29 (viewer p.23)

Factory owner's handbook. Covers GPX Moto TSE 300R Owner's Handbook (ManualsLib 2993530), no year printed; no TSE 300L manual was found, and the 300L sharing the 300R schedule is not confirmed; engine hours.

79 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
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, cable
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

2024 GPX Moto TSE 300L

On the road: every 150 mi

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 300 mi

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 500 mi

1 item
  • Check coolant level
    Pre-ride / on the road
    Guideline

On the road: every 600 mi

1 item
  • Check chain slack and rear wheel alignment
    Pre-ride / on the road
    Guideline

On the road: every 10 h

1 item
  • Lubricate drive chain
    Pre-ride / on the road
    Factory

    Manual: Lubricate all moving parts (chain, handlebars, etc.) and check for smooth. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

Every 2,000 mi or 12 months

1 item
  • Replace spark plugs (two-stroke)
    Engine
    Guideline

Every 3,000 mi or 12 months

6 items
  • 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 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 spoke tension and wheel true
    Wheels and tires
    Guideline

Every 3,000 mi 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 4,000 mi or 12 months

1 item
  • Inspect, clean and gap spark plugs
    Engine
    Guideline

Every 6,000 mi or 12 months

5 items
  • 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
  • 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 mi or 2 years

2 items
  • Compression test (or leak-down)
    Engine
    Guideline
  • Change gearbox oil
    Primary and gearbox
    Guideline

Every 12,000 mi or 2 years

2 items
  • Replace air filter element
    Fuel and air
    Guideline
  • Clean and grease rear suspension linkage
    Rear suspension and frame
    Guideline

Every 15,000 mi 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 16,000 mi or 4 years

1 item
  • Replace spark plugs
    Engine
    Guideline

Every 18,000 mi

1 item
  • Replace chain and sprockets (wear based)
    Final drive
    Guideline

Every 20,000 mi 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 25,000 mi or 6 years

1 item
  • Replace swingarm bushes / bearings
    Rear suspension and frame
    Guideline

Every 30,000 mi or 6 years

1 item
  • Rebuild forks: seals, bushes, springs
    Front end
    Guideline

Every 10 h

34 items
  • Change engine oil
    Engine
    Factory

    Manual: Change the gear oil 700 ml, light gear motorcycle oil 10/40. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check antifreeze fluid and level
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check for rim edge pulsation
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check whether screws and nuts are tightened
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Final inspection: check whether the vehicle is running safely and conduct a test
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Inspect coolant hoses and clamps
    Engine
    Factory

    Manual: Inspect all hoses (e.g. fuel, cooling, exhaust, drainage, etc.) and casing. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check carburetor idle
    Fuel and air
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check throttle cable(s) free play and return
    Fuel and air
    Factory

    Manual: Check that the throttle cable is intact, free of sharp bends, and set correctly. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Clean / inspect air filter
    Fuel and air
    Factory

    Manual: Clean air filter and air filter box (very important to clean air filter and re-oil after every jet wash and every ride). Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Clean carburetor
    Fuel and air
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race

  • Replace fuel filter
    Fuel and air
    Factory

    Manual: Replace the fuel filter. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Clean battery terminals, check charge and strap
    Ignition and electrics
    Factory

    Manual: Check and charge the battery. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check for the correct clutch hydraulic fluid level in the master cylinder
    Primary and gearbox
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race

  • Check chain tension
    Final drive
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check rubber chain guards and runners and replace where necessary
    Final drive
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race

  • Inspect chain and sprockets for wear (measure stretch)
    Final drive
    Factory

    Manual: Check chain, rear sprocket, engine sprocket, guide sleeve and chain. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check steering head bearing adjustment
    Front end
    Factory

    Manual: Check whether the steering head bearing for loose. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check the frame and swingarm
    Rear suspension and frame
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the top of the shock absorber
    Rear suspension and frame
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Inspect rear shocks for leaks and damping
    Rear suspension and frame
    Factory

    Manual: Check the shock absorber connecting. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check brake pads and discs
    Brakes
    Factory

    Manual: Check the front disc brake. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the free play of brake handlebar
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the free-play of the brake pedal
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the front and rear disc brake discs
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the front disc brake fluid level
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the rear disc brake
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the rear disc brake fluid level
    Brakes
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Inspect brake hoses; replace old rubber
    Brakes
    Factory

    Manual: Inspect brake tubing for damage or leakage. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check the spoke tension
    Wheels and tires
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check the wheel hub
    Wheels and tires
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Check tire pressure
    Wheels and tires
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check wheel bearings for play
    Wheels and tires
    Factory

    Manual: Check hub bearings for loose. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

  • Inspect tire tread, sidewalls and date codes
    Wheels and tires
    Factory

    Manual: Check tire surface condition. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): once after 1 hour; every 10 h/after every race, every 20 h, every 30 h

  • Check the cable for damage and sharp bend
    Controls and cables
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 10 h/after every race, every 20 h, every 30 h

Every 20 h

2 items
  • Adjust clutch free play, lubricate cable and lever pivot
    Primary and gearbox
    Factory

    Manual: Check clutch. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 20 h

  • Grease swingarm pivot
    Rear suspension and frame
    Factory

    Manual: Check the swingarm bearing for wear. Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 20 h

Every 30 h

1 item
  • Replace the cap seal and shaft seal ring of the pump
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): every 30 h

Every 80 h

1 item
  • Change piston and rings
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): recommended every 80 hours

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

2 items
  • Replace fuel lines
    Fuel and air
    Guideline

    Old rubber and modern ethanol fuel do not mix well.

  • 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

2 items
  • Check cylinder when piston is changed and replace/recoat if required
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): when the piston is changed

  • Check front and rear light fixtures
    Engine
    Factory

    Factory: Suggested inspection time p.29 (columns once after 1 hour (one-off interval), every 10 hours/after every race, every 20 hours, every 30 hours): row printed with no interval marked

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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2024
TSE 300R
Factory