Norton International, Manx and Model 30 & 40 Maintenance Manual
Download the complete PDF version using the green download button at the top right of this page for the original Norton Maintenance Manual and Instruction Book covering pre-1953 Norton International Models 30 and 40 together with pre-1951 Norton Manx 30 and 40 racing models. Published as Norton Publication P86, this factory workshop manual contains servicing procedures, lubrication data, engine overhaul instructions and detailed maintenance information for these classic overhead camshaft Norton motorcycles.
The manual opens with technical specifications, lubrication charts and operating data before moving into detailed engine service procedures. Sections cover oil pumps, rocker boxes, timing gear, crankshaft assembly, piston fitting, valve timing, gearbox overhaul, clutch service and transmission repairs. Detailed exploded diagrams are included throughout together with factory assembly notes and service adjustments.
Additional sections cover wheel and brake servicing, spring frame overhaul, front fork maintenance, Amal carburetor tuning, electrical systems, Lucas lighting equipment, magneto servicing and full wiring diagrams. The final pages include fault-finding charts covering engine, ignition, clutch, gearbox and chassis troubleshooting procedures.
Contents Include
- Factory maintenance manual for Norton International and Manx models
- Technical specifications and lubrication charts
- Overhead camshaft engine servicing procedures
- Oil pump and rocker box overhaul
- Valve timing and camshaft adjustment
- Crankshaft, piston and timing gear service
- Gearbox and clutch overhaul procedures
- Transmission exploded diagrams
- Wheel, hub and brake servicing
- Spring frame and front fork maintenance
- Amal TT and remote needle carburetor tuning
- Lucas electrical and lighting equipment servicing
- Magneto maintenance and adjustment
- Factory wiring diagrams
- Engine and chassis fault-finding charts
