Target Audience:
Professional mechanics and dedicated vintage motorcycle enthusiasts undertaking restoration or complex maintenance
Collection Breadth:
Extensive collection covering multiple popular Velocette models from a significant period of their production
Vintage Value:
A truly vintage collection offering access to original factory documentation
Documentation Type:
Essential technical documentation for understanding and repairing classic Velocette motorcycles
Primary Models Covered:
LE, MSS, Valiant, GTP, K Series (OHC), KTS, KSS Mk2, MAC, MOV
Range Of Years:
1930-1958
Manual Types Included:
Operation Manuals, Parts Manuals, Workshop Manuals, Owners Handbooks, Wiring Diagrams
Digital Format:
Self-Running DVD / Instant Download
File Type Implied:
Digital (likely PDF or similar for widespread compatibility)
Language Of Manuals:
English
Engine Systems:
Engine assembly, disassembly, tuning, lubrication, cooling, ignition, carburetor, valve gear (OHC where applicable)
Transmission Systems:
Gearbox operation, maintenance, overhaul, clutch mechanisms
Chassis Systems:
Frame, suspension (front forks, rear suspension), steering, wheels, brakes (drum brake systems), footrests, controls
Electrical Systems:
Wiring diagrams (Lucas hand-drawn), lighting, ignition systems, battery, dynamo/generator, charging system
Fuel System:
Fuel tank, fuel lines, fuel taps, carburettor tuning and servicing
Bodywork And Fittings:
Mudguards, tanks, seats, handlebars, controls, fasteners, plating/finishing
Maintenance Procedures:
Regular servicing, lubrication schedules, cleaning, adjustments (e.g., tappets, ignition timing, carburetor settings)
Repair Procedures:
Engine rebuilds, gearbox overhauls, brake adjustments and relining, suspension component replacement, electrical component repair
Troubleshooting Guidance:
Diagnosis of common faults, identifying symptoms, corrective actions
Parts Identification:
Detailed parts lists with diagrams for component identification and ordering
Diagnostic Level:
Comprehensive, suitable for professional mechanics, including advanced troubleshooting and detailed overhaul instructions
Rebuild Completeness:
Full engine and gearbox rebuild procedures, including torque specifications, clearances, and assembly sequences
Engine Configurations Covered:
Single-cylinder, OHC single-cylinder, Two-stroke single-cylinder
Le 149Cc:
149cc two-stroke, horizontally opposed twin cylinder (Note: LE is often cited as a horizontally opposed twin, not a single. The 149cc designation is for the LE series.)
Mss:
348cc OHC single-cylinder (typically)
Valiant:
250cc OHC single-cylinder
Gtp:
Two-stroke single-cylinder (specific displacement varies)
K Series Ohc:
OHC single-cylinder (various displacements like 350cc, 500cc)
Mac:
350cc OHV single-cylinder
Mov:
250cc OHV single-cylinder
Oil Change Frequency:
Typically every 1,000-2,000 miles, depending on model and usage (details within specific manuals)
Valve Clearance Adjustment:
Intervals vary, often at major services or specific mileage, especially critical for OHC engines
Engine Oil Type:
Primarily SAE 20W/50 or SAE 30 mineral oil, often with specific viscosity recommendations for different temperature ranges (refer to individual manuals for precise grades)
Gearbox Oil Type:
Gearbox oil (e.g., SAE 90 hypoid oil) or engine oil depending on gearbox design (details in manuals)
Fork Oil Type:
Specific fork oil grades, often SAE 10W or SAE 20W (capacities and types detailed in manuals)
Common Wear Items:
Camshaft wear (OHC engines), clutch plates, brake linings, piston rings, gearbox dogs
Common Faults:
Ignition timing issues, carburetor flooding/leaking, oil leaks, gearbox selection problems
Ignition Timing Example:
Typically set to TDC or a few degrees before TDC, adjusted via distributor or magneto timing (model-specific)
Carburetor Tuning Example:
Adjustment of mixture screws, idle speed, jetting, float height (common carburetors include Amal, Lucas)
Manufacturer:
Velocette, a British motorcycle manufacturer renowned for quality and performance
Key Models Highlighted:
LE (Lightweight, utilitarian scooter-like motorcycle), MSS (performance sports roadster), Valiant (modernized sports model), K Series (iconic OHC racing and road bikes), MAC (workhorse 350 OHV)
Production Era:
Covering a significant period of Velocette's manufacturing history, showcasing technological advancements from the 1930s to the late 1950s
