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General| Brand | Derbi |
|---|---|
| Model | Dirtkid 12 |
| Category | Motorcycle |
| Language | English |
Describes general safety rules, service recommendations, and precautions for engine operation and maintenance.
Lists chassis/engine codes, frame, wheels, brakes, and vehicle dimensions.
Details engine specifications including bore, displacement, compression ratio, timing, and lubrication.
Specifies tightening torques for various engine assembly components like spark plug, head cover, and crankcase screws.
Outlines regular maintenance actions, their frequencies, and schedules for engine care.
Provides instructions for inspecting, checking, and servicing the spark plug.
Guides for draining, refilling, checking oil levels, and related procedures.
Procedures for checking camshaft timing, valve clearances, and engine compression pressure.
Instructions for removing and inspecting rocker arms cover, camshaft, and cylinder head components.
Steps for removing and inspecting engine valves, piston, rings, and related components.
Procedures for measuring piston/cylinder diameters and inspecting piston rings and their clearances.
Instructions for inspecting and refitting camshaft, timing system components, and related parts.
Steps for refitting rocker arms, cylinder head, and the timing chain assembly with correct torques.
Measure radial air gap and refit rocker-arms cover following removal operations.
Detailed steps for splitting crankcase halves and removing the crankshaft by heating.
Instructions for refitting crankshaft bearings and inspecting crankshaft alignment for runout.
Instructions for checking connecting rod play, measuring crankshaft width, and ensuring component integrity.
Detailed steps for heating crankcase, installing bearings, shafts, oil pump, and joining crankcase halves.
Lubricate crankcase seats, mount gasket, join crankcases, and secure with screws to the prescribed torque.
Covers the removal and refitting of crankshaft oil seals, including specific tooling.
Steps for inspecting the oil pump, measuring clearances, and refitting the pump assembly.
Detailed steps for removing the carburettor, including fuel supply, float bowl, and jets.
Details specifications for main jet, minimum jet, position-needle, emulsifier, and air screw for adjustment.
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