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Details model weights and piston/cylinder grading.
Pressure and leakage tests for crankcase and fuel tank.
Checks for starter rotation and carburettor pressure/leakage.
Details checks for chain brake release and band wear.
Provides a mixing table for fuel and oil proportions.
Pliers, spanners, pullers, stops, gauges, Allen keys, fitting tools.
Vacuum gauge, revolution counter, air gap tool, electric system tester.
Seal extractors, fitting drifts, engine block pullers, glues, Loctite, retouch paint.
Cover plates, distance sleeves, U-spanner, pressure gauges, cable tools, piston sets, repair kits, hooks.
Step-by-step instructions for removing the carburettor.
Basic setting, L/H needle adjustments, and testing.
Details checks, assembly, and troubleshooting.
Steps for diagnosing no spark issues.
Instructions for removing and installing the flywheel, including gap checks.
Instructions for fitting the spark plug protector.
Steps for dismantling and removing the oil pump.
Common problems and their causes for the lubrication system.
Instructions for reassembling the oil pump and checking its function.
Steps for removing the cylinder and piston.
Checks for damage and required remedies.
Detailed steps for assembling the cylinder and piston.
Steps for removing the crankcase.
Instructions for assembling the crankshaft and crankcase.
Procedures for checking the crankshaft and connecting rod.
Instructions for changing vibration dampers.
Steps for dismantling the starter mechanism.
Instructions for reassembling the starter.
Steps for removing the clutch and checking wear.
Instructions for changing clutch spring and worm gear.
Details on lubricating clutch components.
Steps for removing, adjusting, and maintaining the chain brake.
Procedures for changing throttle safety catch and chain catcher.
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