Bsa M20 Frame Numbers, It had a rigid frame and BSA’s pre-war girder front end. This document allows you to identify the year and model of your BSA Motorcycle from the number found on your motorcycle's engine and frame. BSA 750 Triples Replacement Parts Catalogs 1969 BSA 750 Triple A75 – ROCKET 3 FROM ENGINE NUMBER A75R-101 FROM FRAME NUMBER A75R-101 PART NO. Factory ledgers show that BSA exported K-M20 models to Sweden, South Africa and India, as well as civilian dealers and distributors. Provides information on frame and engine numbers for BSA motorcycles, including details about identification and historical data. Up until 1968 it is rare for the engine and frame number to be identical and where the frame is shared by several models the codes start with the smallest model e. Motorcycle Specifications Overviews and Road Tests If your frame number is WM20 95847. [3] . OEM: 00-5008 The BSA M20 was just part of BSA’s massive wartime contribution to Britain’s war effort. Shop Motorcycle Body & Frames for 1941 BSA M20 with eBay Guaranteed Fit. Everything ntnln* cl @ o\ c! t\ Gr . But it was a very big part. BSA built more than 125,000 of them for the services and the M20 became the longest serving model in the history of British military motorcycling, not to mention becoming the type most produced for the War Office. Full parts and spares list for the models listed. With the frame number we can also calculate the original Australian tank numbers for BSA's which they received on arrival in Australia. It has the girder front end with the gutta percha knobs, as well as the highly valanced fenders, hardtail, and an iron he This original wartime photo shows a 1944 BSA M20 Registration Number C5213661, marked with the stylized winged helmet insignia, on the fuel tank, for the 1st Polish Armored Division - part of the 1st Canadian Army. Easily Find Vintage Bike Spares. With this KM20 and WM20 engine and frame number list it's possible to see which war time bikes are still around, we might also locate the whereabouts of that lost engine. The Frame Numbers are alway stamped. Online search and price, free Special Products catalogue. We include all models from 1950 through 1983. Before you start pleased read first about the BSA Serial Number System! Thanks to BSAOCUK who supplied the information to BritBike. S. We can also provide the original tank C numbers for just about all BSA's used during the second World War. Reproduction of the original. BSA used a system of letters and numbers for yearly identification of their machines. This information combined with the yearly numbers below should help you identify the year and model of your machine. 500 c. For the WM20 motorcycles with frame numbers up to WM20 69699 we can provide the exact day of delivery. British Spares supply classic motorcycle parts by mailorder for Triumph, Norton, BSA motorcycles. ’ The BSA M20 bikes which are still used today can Shop Motorcycle Frames for BSA M20 with eBay Guaranteed Fit. These machines were built with matching engine and frame numbers but when they underwent a Inajor service there was no attempt made to keep them together, so they seldom match now. Search your model and year and find if your frame and engine match correctly. all A series models have A7 or A50 prefixes with the exception of the Rocket Gold Star and Super Flash. com This original wartime photo shows a British Sergeant riding a 1944 BSA M20 Registration Number C5213784, which is 58 motorcycles later than 1944 BSA M20 Serial Number 103026 Registration Number C5213726, in the QuestMasters Museum collection. Manuals For Triumph, BSA, Norton. c. It is always stamped; raised numbers are casting part numbers. 1937 was its first year of production that would last until the late 1950s. If you are interested to find your BSA's original tank number just Engine and Frame Number Introduction. The first post-war years the list isn't to accurate. Amal type 6 tuning Standard Amal type 6 (old leaky, remote float) carburettor tuning document but re-written and re-drawn in Explore British Only's tech library for parts books and resources related to Triumph and BSA motorcycles. When spare engine and frame numbers are also in this list we might even be able to combine an original frame and engine again. The bike was sold to me many years ago as a 1939, but it is titled as a 1954. Although initially viewed as a near failure by the War Office in 1936, the M20 evolved into one of the longest serving motorcycles in the history of British military motorcycling, as well as becoming the most numerous type produced for World War II with 126,000[1] in These early military M20 models were also fitted with a long spiked prop stand on the rear nearside pivoted from a lug brazed on to the rear frame tube. Then I calculate it to be the 14030th machine from 15000 built under contract S1048 which was completed in Nov 43 with a tank serial number of C5129247. Identifying engine and frame numbers, 1969 season onwards. Note the placement of the BSA Explore technical hints and tips for maintaining and restoring BSA motorcycles, including engine, frame, ignition timing, and front fork specifications. I believe its a 500cc BSA ZM20 engine. Created Date 3/6/2017 10:37:38 AM The images are in the following gallery: BSA Frames BSA A7- A10 Rigid Frame BSA A7-A10 Spring Frame 1953 SUPER FLASH Spring Frame 1954 SWING ARM A GROUP, B GROUP AND GOLDSTAR 1953 GOLDSTAR SWING ARM Frame B31 B32 B33 B34 Rigid Frame B31 B32 B33 B34 Spring Frame B32 & B34 1954 Rigid Frame B40 STAR M20, M21 AND M33 Rigid Frame 1945-1948 General information, photos, engines and tech specs reference for BSA M20 (1940-1956) Specs, Performance & Photos Drawings and Photographs of Chassis Components produced by Birmingham Small Arms The 500cc BSA M20 with telescopic fork and rigid frame is a classy act with style at the back and comfort at the front. It is interesting to note that the Air Ministry used quantities of the model fitted with a Swallow-manufactured sidecar; and that a great number of the smaller M20 model contracts throughout rear the Second World War specified sidecar-lugs for the frame, generally removed aard from all the larger contracts, which were specifically solo only. On the downside, it lacks the larger diameter front brake of the late BSA M21s which offered superior stopping power. HM19-101 HM21-101 Find many great new & used options and get the best deals for Vintage genuine BSA M20 / M21 rigid frame rear brake arm 15-7962 at the best online prices at eBay! Free shipping for many products! BSA Owners Club - UK. During and after the war they often used the same prefix letter for more years. BSA Tank Numbers Over the years we have collected a HUGE archive. The BSA M20 was a British motorcycle made by Birmingham Small Arms Company (BSA) at their factory in Small Heath, Birmingham. The bulk of the numbers given are for postwar machines, but those applying to the wartime M20 are included. I was told it was a 1938, but the only markings i can find on the frame are M20 4437. Pre war all BSA frame- and engine numbers started with 101 with a different prefix letter. Although initially viewed as a near failure by the War Office in 1936, the M20 evolved into one of the longest serving motorcycles in the history of British military motorcycling, as well as becoming the most numerous type produced for World War II with 126,000 I'm trying to bring an M20 of uncertain year back to life. [3] Date your Triumph, BSA, and Norton motorcycle using our complete chart of engine and frame numbers. s. do any of you guys have access to BSA years from frame numbers for an M20/21 Frame M20 5452 (as best i can read but definatley 4 digit with first number definatly 5), Were all military ones WM20? because I was trying to see the numbers so hard I didnt take enough notice of the M20 bit M These early military M20 models were also fitted with a long spiked prop stand on the rear nearside pivoted from a lug brazed on to the rear frame tube. View online or download Bsa M20 Maintenance Manual And Instruction Book Which one of them is better to restore (of the point of view of classic value): 1a) A matching numbers bike with frame and engine numbers WM20 113870? 1b) A bike that has a frame numbered as WM20 17968 with an even older crank-case numbered as 7288 WM20 B. BSA's 1971 and later, either side of the frame on the stearing head to frame gusset, note that these don't always have the model stamped. This M20 was produced 65 motorcycles before the 1944 BSA M20 Serial Number 103026 Registration Number C5213726, in the QuestMasters Museum collection. Identifying your machine. com The M20 was created by the new-to-BSA Chief Designer Val Page and was intended as a heavy-framed sidecar model with a simple 496cc air-cooled side-valve single producing 13hp at 4200rpm. If you find raised numbers, these are casting part numbers. g. Massive selection from top brands on eBay. com in 1999. Year Model Prefix Number Prefix Number C. Over 13,000 line items on 3 miles of shelving. On most BSA's the frame number is located in the following places. BSA M Group Parts Manual - M20, M21 and M33 Rigid and Plunger Frame - 1949-58. Find engine and frame numbers by year for BSA Gold Star motorcycles, providing a valuable resource for enthusiasts and collectors. They then turned to a system using a dating code which was common to all models. M20 motorcycle pdf manual download. The reason for this is the plate on the engine, which gives the engine number and is dated in 1954: Here's shot of the whole bike: The problem wi The BSA M20, a classic general-purpose motorcycle, is one of the contenders of ‘bikes that have won the war. With this archive it's possible to find with the frame number the original tank number your BSA had when it left the factory. HM19-101 HM20-101 M21 600 c. Great deals. . do any of you guys have access to BSA years from frame numbers for an M20/21 Frame M20 5452 (as best i can read but definatley 4 digit with first number definatly 5), Were all military ones WM20? because I was trying to see the numbers so hard I didnt take enough notice of the M20 bit M The extensive compendium of BSA made motorcycles. If you are interested to find your BSA's original tank number just do any of you guys have access to BSA years from frame numbers for an M20/21 Frame M20 5452 (as best i can read but definatley 4 digit with first number definatly 5), Were all military ones WM20? because I was trying to see the numbers so hard I didnt take enough notice of the M20 bit M The extensive compendium of BSA made motorcycles. Military motorcycles produced by Birmingham Small Arms in the 1940s | Technical Information. V. It is always stamped, raised numbers are casting part numbers. The frame number is located for BSA's 1969 and earlier on the left side of the frame, on the front engine mounting lug. Owners with late model BSA's can easily identify the month and year of their machine as the factory adopted a dating system for frame and engine numbers for the 1969 season models. Although dust and dirt obscures all of the hardware finish Until 1968, BSA used a numbering system with a distinctive prefix for each type of machine, so it is easy to see if the engine and frame are from the same model or not. View and Download BSA M20 maintenance manual and instruction book online. Engine Engine Start Frame Frame Start No. Designed to be simple, rugged and reliable, the M20 was a side-valve (flathead) 500cc air-cooled single with a cast-iron top end. For WM20 BSA's build after that frame number the year of manufacture is calculated with the help of the monthly production numbers. Seq. The primary drive chaincase, coupled to a standard BSA gearbox, was a sheet steel pressing secured by a host of small screws, but the exposed rear chain still The BSA M20 is a British motorcycle formerly made by Birmingham Small Arms Company (BSA) at their factory in Small Heath, Birmingham. +O-OfOOe-O I r+ r \O r c) r c) c) O\\O C\| \O tn\O @ r+@OOeOr@l*lGlF-nC\jhr-rtitn- lr -O-F I I I I l6C/) l&O tr I I6l t(ltH-t\r IcooOO Irl I O F- F- tr\ tn ln r^ l^ c! l'- F qeaaA---EcoE< aoakltrtooout5rQouQot) BSA were already tooled up to produce a military motorcycle in the volume the Army needed. The engine number is "ZM20 4913" and from what i could find on the internet it would be a 1950 model, but some guys over at motorbicycling. Machine Dating Information. o o\ o \ONN-O\OOF. So i planned on just building motorized bikes for a while until i came across this BSA engine at a great price. Hi everyone! I just bought an early (1938) what i think is a civilian model M20. On most BSA's the frame number is located in the following places. com seemed to think it was older because of the carb. BSA M20 (1940 - 1956) The BSA M20 was one of the most successful models produced by the British brand, being used also by the British Army throughout World War II. This original wartime photo shows a 1944 BSA M20 Registration Number C5213661, marked with the stylized winged helmet insignia, on the fuel tank, for the 1st Polish Armored Division - part of the 1st Canadian Army. Note the placement of the BSA logo and registration number on the fuel tank in this photo. Bsa M20 Pdf User Manuals. C. 1937 "H" model framenumber Enginenumber M20 500 c. 00-5141 M20 Motorcycle | World War II Database ww2dbase Simplicity itself, the M20's rugged engine had massive flywheels, a low compression ratio and soft valve-timing which made it both forgiving and flexible, with plenty of low-down torque. These machines were built with matching engine and frame numbers but when they underwent a major service there was no attempt made to keep them together, so they seldom match now. v. With the rain stopping for a short time, I had the chance to cut the grass yesterday and had to move the M20 so a good opportunity to get a few pics, I don't know if anyone seen this on ebay a few months back, I was surprised it never sold as it was a very good price but never met the reserve, as Free Classic Motorcycle Parts Book Download. Note the placement of the BSA During late 1940 certain numbers of civilian specification M20 models were purchased by the War Office direct from the BSA factory, mainly to de-luxe specification as applicable to the civilian market of the time, although a few standard examples were also supplied, probably militarized only to the extent of the colour scheme. These machines were built with An overview of engine and frame numbers for all BSA models from 1930 up to and including 1940 listed per model year. lbyeya, l58he7, n2ev7, fn70, pdfkgj, cqvah, z57yl, 6mgq, 8xvtw1, xkpru,