Start at the front_ Seal, Lucas/Butler emblem – top of driving Lamps_ Rubber bungs in jacking ports_ Rubber covers, lower suspension arm/torsion bars (2)_ Rubber washers (4) lower radiator mounting._ Rack and pinion rubber bellows (2) Tie-Rod joints are adjustable, king post bushes._ Shock absorber mountings._ Brake hoses (3)_ Front park/side lamps – wiring to lamp socket._ Horn mounting to chassis/suspension tower (cracks through horn brackets.)_ Cooling system – clean out – hoses (3) Coolant concentrate 30%_ Thermostat 160F P/n DT 14C._ Front engine mounting rubbers. (2) [Usually OK]_ Engine “V’ belt tension? [Dayco Top Cog – gold label P/No 22515 — 15A131O.]_ Spark Plugs, Leads, Dist Cap, Points, Rotor button, Ign Timing best set on a Dyno._ Spark plugs; std engine NGK BP 6ES. High Compression engine NGK BP 7ES or 8ES_ Adjust valve clearances (RMB), inlet .004.” Exhaust .005″. Valve cover gaskets?_ Carburettors: Float levels 7/16″. Jet drop both equal -1.5mm for FZ needles._ Balance air flows. Carburettors – oil in dash-pots. – SAE 20 – auto trans oil is OK._ Carburettor linkage and ball-joint condition?_ Fuel delivery hose, Pump to Carburettors. Washers, fuel unions to float bowls. (4)_ Clean fuel pump filter._ Choke cable adjustment and operation – full and partial operation at dash panel._ Manual throttle operation._ Inlet manifold – coolant flow and gaskets._ Clean Air Filter / Silencer._ Exhaust manifold to cylinder head – flange to pipe – flexible section – joints – muffler – pipes._ Battery mounting and retention?_ Oil Pan, retaining bolts. ._ Wiring harness condition – engine bay. Positive & Negative cables_ Battery condition?_ Head, park and driving lamps – Traffic indicators._ Engine bonnet latching, x 4. Ensure bonnet centre panel seals at top body join._ Steering: Toe In – Zero. Boot condition on rack and pinion. Front wheel bearings?_ Brake / shoe & lining condition – adjustment – Clutch adjustment?_ Handbrake should hold from 3 clicks out._ Change Engine Oil and Filter. [Penrite oil works well]_ Gear Box Mountings and earth strap. Diff & Gearbox oil- Penrite Mild EP
Under the car_ Gear stick / gearbox extension brass cups_ slots for gear stick locating dowels?_ Trunnion – Torque tube mounting rubber ‘O’ rings? – Retaining bolts (l each side)_ Universal Joints x 2 intermediate drive shaft._ Front bearing Torque Tube – condition?_ Stop Lamp switch – (on brake pull rod) operation?_ Speedo cable – condition – cable seal into gearbox?_ Chassis to body mounting pads and bolts – condition?_ Brake rods / pins. Linings all — adjustment._ Rear axle bearings – oil leaks?_ Rear spring shackles – bushes, saddle webbing to banjo housing_ Banjo Housing breather hole – clear?_ Shock absorber mountings?_ Fuel hose tank to pipe / fuel tank mountings (3)_ Fuel filter @ drain bung in fuel tank._ Rear jacking port rubbers._ Road tyres condition – pressures.
Body_ Door alignment and strikers – body mounting – adjust? [SAFETY]_ Door seal condition._ Body Sealing – dust / water?_ Windscreen wiper shaft seals?_ Instrument Panel, operation of gauges / switches. [proof of gauge accuracy]_ Rubber seals; accelerator, brake, clutch -pedals. Rubber seal steering column._ Interior courtesy lamp operation? Operate when park lamps are on._ Seat tracks – latching? — SAFETY._ All Door Glass – closing to frames and seals.
Road test_ First check and adjust: Engine oil, Radiator coolant level. All door strikers, Rear View Mirrors, Traffic lamp indicators._ Engine start – cold / hot? – Idle speed? Engine shut-down? [The 2½ tends to run on, use clutch/gears as a drag on the engine.]_ Exhaust system – quiet and efficient – not limiting engine power? [see shop manual]_ Brake operation / hand brake? [ Split system, hydraulic front, mechanical rear]_ Engine – smooth power – accelerating – decelerating?_ Engine oil pressure; 40psi minimum @ 40mph – 12 psi minimum at idle._ Engine coolant temperature?_ Dynamo charge – amps. [switch h/lamps on / off observe ammeter.]_ Fuel gauge operation?_ Gearshift / clutch operation._ Steering – straight and true? [Zero Toe-In.]_ Speedo/odometer/trip meter / day clock?_ Road handling – springs/shock absorbers._ Windscreen wiper operation? – blade condition?
Australian conditionsEngine Oil Cooler ‘Serck’ P/n ARO9888. Oil Temperature Thermostat. P/n BM70259 available from ‘Rocket Industries’ Huntingwood Drive, Huntingwood 2148. Tel: (02) 8825 1900.Spin on oil filter conversions are available from Riley Club Spares if required. (Original type of filter element works well if correctly fitted – top washer seal & lower sealing washer and spring.)SU (Skinner Union) Carburettors: R&R mixture needles with P/n FZ needles ( from Midel)Cooling system, electric fan and water pump with temperature adjustable controller (Davies Craig – REPCO), for automatic operation and switch for manual operation. [Remove belt driven fan.] Fit overflow catch tank & 2 way radiator cap.
This guide is from John Marsden, an experienced Riley engineer.
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