• Serial Numbers

Technical information on Villiers engine serial numbers. Villiers Engine Indentification. 036A 10D 3 Speed DMW 125 Comp 1951 030D AC Cars 1955-67. Technical information on Villiers engine serial numbers. Villiers Engine Indentification. 036A 10D 3 Speed DMW 125 Comp 1951 030D AC Cars 1955-67. Free Motorcycle Identification Number (VIN) Decoder & Lookup Use the Cyclepedia Motorcycle VIN Decoder to decode you ATV, motorcycle or scooter VIN (Vehicle Identification Number) for FREE. Determine the year, make and model of most popular ATVs, motorcycles and Scooters. Post-war Serial Numbers consist of three parts. First a Model Number (Table 2), second a letter code (Table 3), and last a unique number (Table 1). Serial Numbers are found on the Frame and Engine. The Serial Numbers on the Frame and Engine from 1945 to 1974 should match. The serial numbers from 1960 to 1945 should include a year letter code.

× Close Finding the Engine Serial Number The engine serial number is stamped into the side of the engine. All Honda engine serial numbers have a 4 or 5 letter prefix followed by a 7 digit number.

Motorcycle Serial Numbers & VIN Numbers

Engine Numbers
Check these locations:
Below the barrel stamped into the crankcase. On the front of the enginestamped either side of the crankcase join. Below the clutch / transmissionarea. Rear of cases below carburettor area.

Frame Numbers.
By far the most common location is on the steering head. It may alsobe found on one of the rear downtubes or on the front downtubes.
Other locations include: top tube below fuel tank; lower frame rails; swing-arm pivot area.
Motobecane Mobylette 1968: Forward of the rear wheel axle on left side.
Matchless

pre-1958: Directly below saddle on upper frame rail joint.
1958-59: rear of front downtube.
1960-67: right downtube below headstock.

Rigid frames: usually stamped on the lug beneath the saddle on LHS
Plunger frames: saddle lug (same as rigid), or on the steering head, LHS
Swing arm frames: stamped into steering head and/or into a steel ID plate pop-rivetted onto the steering head.

AJS and Matchless

• 
  AJS/Matchless from c1935
  AMC engine numbers usually start with the year of production, followedby model designation, and completed with the production number of the motorcycle.
  (Source - Wikipedia)

  Jampot has sections on serial numbers.
  The AJS Matchless Club UK

Ariel Serial Numbers
redhunter.com/ariel/aomcc_prefix.htm

BMW Engine & Frame Numbers
Post-1969BMW 650 numbers
BMW Motorcycle Serial Numbers 1923 to 1969 at benchmarkworks
BMW motorcycle model, year and VIN errors

BSA Serial Numbers

Pre-war frame numbers are located on the front top frame member either near the front seat stay or near the steering head.
1950s models have the numbers located on the front downtube, either below or in front of the fuel tank. An exception to this is the early Bantams where the frame number is between the front engine mounting plate. ~ classicenglishbikes.com/

• 
  BSA NumberingSystem

  BSA Frame Numbers at BritBike.com
  BSA Dating

  BSA at sunnymeadcycles (PDF)
  sunnymeadcycles.com/files/BSA_ID.pdf

  BSA Frame & Engine Numbers
  classicenglishbikes.com

  BSA C15 Serial Numbers
  classicmotorcycles.org.uk/c15/c15_serial_numbers.htm

DKW

• DKW Vehicle Identification

  DKW NZ350 Serial Numbers

Dot
Dot frame numbers at DMC UK

Francis-Barnett
Frame & Engine Numbers

Lambretta
http://www.scooterhelp.com/serial/serial.numbers.html

Maico
Maico Numbers at Maico Madness
Maico Code Definitions

Montesa
Montesa Numbers

Moto Guzzi
Frame Numbers at mgcn.nl
V-twin frame numbers at Ozebook

Norton
Norton Numbering System
Norton Serial Numbers at Bikelinks
http://www.sunnymeadcycles.com/files/Norton_ID.pdf
http://www.bmh.com.au/norton/
Norton Engine Numbers 1945-1975

NSU
NSU Max - (1)

Parilla
nornet.on.ca parilla
nornet.on.ca parilla 3

Penton
PentonIdentification - KTM, Sachs & Puch engine information
pentonmotorcycles.com/

Peugeot
petochonsdulion.net/Afficher_Noserie.html
Also Automoto, Griffon and Meteore

Puch (See also Sears Allstate)
Puch moped chassis numbers Includes links to pages covering MS, MV, VS, VZ, SR, SRA and RL

Sachs
See also under Penton
Sachs 98ccmModell 1932

Royal Enfield

Terrot Serial Numbers

Triumph

• 
  TriumphSerial Numbers at Bikelinks

Velocettte
Velocette LE Engine& Frame Numbers

Velosolex
Velosolexengine serial numbers

Vespa Identification

Honda Motorcycle Engine Serial Number Lookup

• 
  scooterhelp.com/serial/serial.numbers.html
  This page includes information on Vespas made under licence by Douglas, ACMA in France, and Motovespa in Spain, along with those marketed in the United States by Sears under the Allstate marque.

Villiers

• 
  VilliersEngine Numbers
  hulsmannmotor.nl/Villiers_Motornummers

Zundapp

• zundapps.com
  zundappfool.com

Registration Numbers

France

Les numéros d'immatriculation de la belle époque (1901-1928)

'September 16, 1901 begins the first French registration system. The management of this system is carried out by the Mines Department, upon receipt of the vehicle. This service is divided into fifteen administrative regions (maps) called mineral districts, the one of Marseille including in the first years the 3 regions of North Africa (Algeria, Morocco and Tunisia) as well as Monaco.

IGM & DGM Numbers on Italian motorcycles

Yamaha Motorcycle Engine Serial Number Decoder