
Air cleaner. Maintenance of	65	Crankcase. Separating	42
Ammeter. Testing	76	Crankcase. Main bearings	42
Automatic timing unit. Removal of	38	Crankcase suction filter	20
Automatic timing unit. (Illustration)	38	Crankcase suction filter. (Illustration)	20
Automatic voltage regulator	74	Crankshaft timing-pinion. Removal of	41
		Crankshaft-pinion extractor. (Illustration)	41
Ball valve assembly	19	Cut-out. Adjustment of	75
Ball valve assembly. (Illustration)	17	Cut-out. (Illustration)	75
Ballrace retaining ring tool. (Illustration)	51	Cylinder. Removal of	37
Battery. Filling and charging	78	Cylinder. Refitting	45
Battery. Maintenance and storage of	78	Cylinder bore diameter	6
Big-end bearing. Overhauling	43	Cylinder head. Removal of	22
Big-end rollers. Oversizes of	44	Cylinder head. Refitting	25
Brake assembly. Front	10
Brake assembly. Rear	53	Decarbonising and grinding in valves	22
Brake adjustment. Rear. (Illustration)	83	Dynamo belt adjustment	74
Brakes. Relining	53	Dynamo belt adjustment. (Illustration)	21
		Dynamo belt cover. Removal of	31
Carburetter. (Illustration)	63	Dynamo. Dismantling and reassembling	70
Carburetter. Sectional view	60	Dynamo. Exploded view	71
Carburetter, Description of	61	Dynamo. Removal of	31
Carburetter. Dismantling, etc.	61	Dynamo. Testing	73
Carburetter. Setting and adjusting	64	Dynamo. Special spanner	72
Chain adjustment. (Primary)	82
Chain adjustment. (Primary) (Illustration)	36	Engine bearings	42
Chain adjustment. (Rear)	83	Engine lubrication system	17
Chain adjustment. (Rear) (Illustration)	83	Engine. Overhauling	37
Cleaning the machine	85	Engine. Removal from frame	36
Clutch. Description of working	26	Engine shaft shock absorber	22
Clutch. Diagram of operating mechanism	27
Clutch. Dismantling	48	Fabric oil filter	20
Clutch. Reassembling	48	Fabric oil filter. (Illustration)	17
Clutch. Adjustment of	28	Flywheel assembly. Lining up	44
Clutch adjustment. (Illustration)	28	Flywheel assembly. Overhauling	43
Clutch thrust bearing	49	Flywheel assembly. Refitting	42
Commutator Cleaning	72	Fork. Description of working	12
Commutator Connections. (Illustration)	69	Fork. Dismantling	15
		Fork. Maintenance of	15
		Fork. Reassembling	16
		Fork. (Sectional illustration)	13

Gearbox bearings	50	Oil circulation system
Gearbox. Dismantling	49	Oil filter (Suction)	20
Gearbox end cover. (Illustration)	36	Oil filter (Suction). (Illustration)	20
Gearbox. Reassembling	51	Oil filter (Fabric)	20
Gearbox. Removal from frame	36	Oil filter (Fabric). (Illustration)	17
Gearbox. Separating from engine	37	Oil-pump. Priming	18
Gear operating mechanism	50	Oil-pump. Overhaul	40
		Oil-pump. Removal	39
Hub (Front). (Sectional illustration)	9	Oil-pump. Removal. (Illustration)	39
Hub. (Rear). (Sectional illustration)	54	Oil-pump alignment tool. (Illustration)	40
Hub bearings. (Front). Dismantling	10	Oil. Recommended grades	8
Hub bearings. (Rear). Dismantling	54	Overhead rockers. Removal	23
		Overhead rockers. (Illustration)	23
Intermediate timing gear adjustment	47	Overhead rockers. Refitting	25
Intermediate timing gear. (Illustration)	46
Index to Illustrations	5	Panniers. Fitting Instructions	87
		Phases of throttle opening. (Illustration)	64
Kickstart mechanism. (Illustration)	35	Petrol tap and strainer. (Illustration)	66
Kickstart mechanism. Dismantling	34	Piston. Removal	36
Kickstart mechanism. Reassembling	35	Piston. Refitting	45
Kickstart return spring. Replacing	35	Piston ring gaps	37
		Primary chain. Removal	32
Lamps	68	Primary chain. Refitting	33
Lamp bulbs	68	Primary chain adjustment. (Illustration)	35
Lighting set	68	Primary chain case. Removal	31
Lighting wiring diagram	76	Primary chain case. Refitting	33
Lubrication of chains	82
Lubrication of engine	17	Rear suspension. Adjustment	55
Lubrication of fork	15	Rear suspension adjustment: (Illustration)	55
Lubrication of gearbox	8	Rear suspension. Maintenance	56
Lubrication of magneto	79	Rear suspension units	56
Lubrication of wheel bearings	10, 54	Retiming Ignition	47
		Rocker cover. Removal	22
Main bearings. Removal	42	Rocker cover. Refitting	26
Main bearings. Refitting	42	Rocker cover bolts. Location (Illustration)	23
Magneto. Maintenance	79
Magneto. Removal	81	Shock absorber. Removal	22
Magneto. Refitting	82	Sleeve gear nut. Refitting	33
Magneto. Testing	81	Sleeve gear nut adaptor. (Illustration)	34
Magneto. Timing	47	Sleeve gear nut and spanner. (Illustration)	32
Magneto. (Illustration)	79	Sparking plugs. Recommended types	67

Sparking plug. Maintenance	68	Transfers. Instructions for fixing	84
Sparking plug. (Illustration)	67	Trunnion shaft. Removal	58
Speedometer drive	52	Trunnion shaft. Refitting	59
Steering head bearing. Adjustment	11	Tyres. Maintenance	85
Steering head. (Illustration)	11	Tyre pressures	85
Steering head bearing tool. (Illustration)	14
		Valves. Refacing and grinding in	24
Tappet adjustment. (Illustration)	23	Valves. Removal. (Illustration)	23
Tappet clearances	26	Valve guide. Renewal	24
Technical data	6	Valve guide location. (Illustration)	25
Theoretical wiring diagram	77	Voltage regulator. Testing and adjusting	74
Timing gear	46
Timing gear markings. (Illustration)	46	Wheel bearings (Front). Removal	10
Timing-pinion. Removal	41	Wheel bearing (Rear). Removal	54
Timing cover. Removal	38	Wheel bearings	10, 54
Torque arms. Removal	57
Torque arms. Realignment	59
Torque arm clamp tool. (Illustration)	58

Contents