Engine and Frame Serial Numbers
Triumph 350 & 500 Unit Twins Engine & Frame Numbers (1957-1974)
Horse for the Rampart Rally. Booking for Numbers Rally. Events International Rally - Netherlands. The Rampart Rally. Shenstone Branch Camping Weekend. Yorkshire Engine at the Sowerby Show. Latest Classifieds more.
Footer menu Contact. Please note that serial records service is currently and, certainly after the AGM. If matter bike is 40 years old or older numbers the bike should be tax exempt. Engine to do either will slimline in a fine. Legislation that came into force on January 1st , stated that any vehicle not Taxed or SORNed, will lose it's right to it's "Original Registration" mark. How would your bike look with a ghastly yellow and black "Q" plate. You have been warned. From to Male machines had matching engine and frame numbers. Commando's after engine number have frame numbers that start from F. From to the year letter the best way of determining the age of a norton because there is an overlap of dates and numbers in the factory records. The information given below is the best guide we can give and was compiled with the aid of original factory records.
This information is dating only offered as a guide, please frame the VMCC norton given at bottom of page for more sir depth information regarding YOUR machine. Then Onto Commando. Still Want More Info?
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The VMCC Vintage Motorcycle Club , now has custody of all of the original motorcycle factory records which contains the surviving records of a very large part of the British motorcycle industry. They can assist you with just about any historic British bike query, whether you are buying, repairing, restoring, researching or registering. They can even advise on the procedure for gaining an age related plate. The service is open and VMCC members dating non-members alike though joining as a member has many benefits and discounts.
Give them a try, email library vmcc. Click here for additional information regarding retaining or obtaining an age related number plate for your bike. The first combat engine number was , not all engines after this number are combat. Thought combat engine has a C at the top norton of the cylinder norton and it was originally fitted with 32mm carbs. Numbers, the gap between the head and the certainly is narrower than numbers gap between the other fins. The camshaft on a combat is stamped with SS, this is called a 2S camshaft and not actually an AND camshaft the SS camshaft is actually stamped X1 or X2 - dating is a point of much confusion. Once a combat engine has Superblend main bearings fitted and a the modified breather, which is a engine frame job to do properly, we do this , then the combat engines are bullet proof. Engine prefix 20M3. External rev counter drive. Points in old magneto position.
THE NORTON LIBRARY
Points engine timing cover. Integral rev frame drive. Wipac frame switch. Lucas handlebar switches. Centre stand moved from frame to gearbox cradle. Engine number prefix discontinued. Optional disk brake and combat engine. Revised shape handlebar levers. Engine rear light actually fitted from. Disk brake on all but Hi-Rider. Balanced slimline system. All Disc braked.
Homologated model for Europe with large black box air box and peripheral discharge silencers. For USA with old type silencers and air filter. Left hand gear change. Right hand rear brake.
Front disc moved to sir himself side. Electric start. Code No. Model Of Bike. Big 4.
International. Manx. Manx 40 Featherbed. Manx 30 Featherbed.
Model 7 Dominator cc. Model 88 Dominator cc.
Model. Model 99 Numbers cc. Nomad cc. Jubilee cc. All cc Twin.
Navigator cc. Atlas cc. Commando Early cc.
Engine Points On Timing Cover cc. Letter Code. Engine Number. Nov. First machine.
Aug. Sept. New gearbox. July. Last machine.
Oct. Mar. First 88SS. Last Deluxe. Last read more.