Lesson 1Wheels, tyres, and braking systems (rims, hubs, disc rotors, calipers, pads)Dis section details wheel assemblies, tyre selection, and braking hardware. You go learn how rims, hubs, rotors, calipers, and pads dem dey specified, inspected, stored, and prepared for safe installation.
Rim and hub types, sizes, and specificationsDisc rotor dimensions, offset, and mountingCaliper designs, mounting styles, and hardwareBrake pad compounds, wear limits, and codingTyre sizing, load ratings, and speed indexesWheel, tyre, and brake storage and labellingLesson 2Electrical system components (battery, wiring harness, ECU, ignition, lighting, fuses)Dis section details di electrical system, from power supply to lighting. You go learn how di battery, harness, ECU, ignition, and protection devices dem dey specified, labelled, and organized for assembly and diagnosis.
Battery types, ratings, and mounting hardwareMain wiring harness branches and connectorsECU location, mounting, and part numberingIgnition coils, plugs, and high-tension leadsLighting units, bulbs, and connector standardsFuses, relays, and circuit protection layoutLesson 3Overview of 250cc street motorcycle architectureDis section gives a system-level view of a 250cc street motorcycle. You go learn how major assemblies connect, how weight and packaging dey balanced, and how parts diagrams represent di complete architecture.
Major assemblies and system group breakdownFrame, engine, and suspension layout overviewIntake, exhaust, and fuel routing on chassisElectrical harness routing and component zonesControl ergonomics and rider triangle basicsReading OEM exploded views and part treesLesson 4Fuel and intake systems (fuel tank, fuel lines, petcock, injectors/carburettor)Dis section details fuel storage and delivery components. You go learn how tanks, lines, valves, pumps, and injectors or carburettors dem dey specified, protected from contamination, and organized for safe assembly.
Fuel tank construction, caps, and ventingFuel petcock, pump, and filter arrangementsFuel line diameters, materials, and routingInjectors, rails, and pressure regulator partsCarburettor bodies, jets, and float assembliesIntake boots, airbox, and clamp orientationLesson 5Bodywork and finishing parts (fairings, seat, mounting fasteners, decals)Dis section focuses on body panels, seat units, and cosmetic parts. You go learn how fairings, covers, fasteners, and decals dem dey catalogued, protected from damage, and matched by colour and finish codes.
Front and side fairing panel identificationTail section, cowl, and seat base componentsBodywork mounting clips, screws, and grommetsPaint, colour, and graphic code referencesWindscreens, mirrors, and trim accessoriesPackaging and scratch prevention for panelsLesson 6Controls and rider interface (handlebar, grips, throttle, clutch/brake levers, foot controls)Dis section covers all rider control components and interfaces. You go learn how handlebars, levers, pedals, and cables dem dey specified, adjusted, and inventoried to ensure consistent ergonomics and safe operation.
Handlebar dimensions, rise, and clamp sizesGrips, bar ends, and vibration control partsThrottle tube, cables, and housing assembliesFront brake and clutch lever types and pivotsFootpegs, pedals, and linkage arrangementsControl adjustment ranges and reference pointsLesson 7Chassis and frame components (subframe, mounting points, fasteners)Dis section explains di main frame, subframe, and structural brackets. You go learn how mounting points, gussets, and fasteners dem dey identified, protected, and organized to maintain alignment and structural integrity.
Main frame materials and construction typesSubframe designs, load paths, and supportsEngine and suspension mounting point locationsFrame brackets, tabs, and accessory mountsChassis fastener grades, coatings, and torqueFrame identification numbers and corrosion careLesson 8Engine and drivetrain components (engine assembly, gearbox, clutch, chain/sprockets)Dis section covers engine, gearbox, clutch, and final drive parts. You go learn how assemblies dem dey broken into subcomponents, how chains and sprockets dem dey specified, and how to inventory wear and replacement items.
Engine assembly groups and major subassembliesGearbox shafts, gears, and selector componentsClutch basket, hub, plates, and actuation partsFront and rear sprocket specs and tooth countsDrive chain pitch, length, and master link typesDrivetrain wear inspection and replacement setsLesson 9Suspension and steering components (front fork, rear shock, triple clamps, steering bearings)Dis section explains suspension and steering hardware. You go learn how forks, shocks, triple clamps, and bearings dem dey identified, stored, and prepared so dat geometry, preload, and damping functions remain correct.
Front fork types, tube diameters, and travelRear shock units, linkages, and mounting pointsTriple clamp offsets, stem lengths, and pinchSteering head bearings, races, and sealsSwingarm construction and pivot hardwareSuspension labelling, pairs, and orientation
