Motorcycle VIN numbers give a world of information if you know the decoding secrets. While they may seem like random strings of characters, VIN codes reveal the motorcycle’s manufacturer, its model, engine size and other characteristics, where the motorcycle was manufactured both country and plant , as well as the year it rolled off the assembly line. By law they are 17 characters long, consisting of both numbers and letters. Each character or sequence of characters has specific meaning. Duplicate VIN codes, letters that are not capitalized, sans-serif style, or digits other than zero to nine in other words, digits not common to the English language are fraud alerts. Be prepared to walk away if the VIN codes do not conform to these standards.

How to Decode Motorcycle VIN Numbers

Originally Posted by san9jay But as far as my research on the net shows. In the Triumphs switched to a swing arm suspension so that would not match my bike. Based on the frame and engine numbers can you tell exactly which year it is? Which seems in the correct ball park.

TR5 models had separate number series; engines from to , frames from TCT to TCT. By frame and engine numbers were matching. Thanks to Dave Gaylin and Lindsay Brooke for printing the above information in their book “Triumph in America”.

Brakes Older Raleigh-made brakes used special cables with moulded ends on both ends of the cables, as shown. These cables are no longer available. They were supplied in different configurations for front, gent’s rear and lady’s rear applications. The cable came with the adjusting barrel. To replace the cable assembly, you would unbolt the adjusting barrel from the caliper.

These cables can often be revived by dripping oil into them and working them back and forth. Later Raleigh-made brakes used standard cables with conventional anchor bolts. Chainguard Braze-ons Older models had a braze-on with a tapped hole on the right chain stay , behind the chainwheel , to secure a full chaincase. Some later models had simple braze-ons on the seat tube and down tube to secure a “hockey-stick” chainguard.

Fork Ends Older models had forged front fork ends , which are 3-dimensional, and are round where they fit into the end of the fork blade. These fork ends are countersunk on the outer surface, to accommodate the old-style axle nuts which had a shoulder that fit through the washer. The shoulder provided secondary wheel retention.

Sheldon Brown’s Raleigh Twenty Bicycle Page

All are from previous relationships. More than half of the 2. They love crossword puzzles, football, going to museums and reading five or six books at a time. They describe themselves as mild-mannered introverts who suffer from an array of chronic medical problems.

The serial number is located on the bottom bracket from to and on the left. FRAME NUMBER BICYCLE DATING GUIDE; HISTORY. Cyclotandem Derny Grand Tourisme. I started to collate frame numbers from s Triumph bicycles.

Model Ranges Triumph model ranges This section covers the model ranges for all years included, together with the main updates for each year. Model ranges are taken from the Factory Replacement parts books. For detailed evolution of individual components eg frames see ‘Parts Specs’ The Triumph range for comprised an amazing eighteen models twelve years later it was to consist of just three. Of these eighteen, eleven were exciting new designs from Valentine Page, unveiled at the Olympia show.

In addition there were five Villiers engined lightweights and the two Silent Scout models continued from the previous year. By the following year, , the five lightweights and the two Silent Scouts had disappeared. The Mark 5 models now had foot change plus other minor mods By now the company was in trouble. The bikes were superb, probably over-engineered, with a lavish finish and a large number of options. Sales and production were old-fashioned all sales were managed from the factory allowing the bespoke type service , and the shadow of the slump still hung over all manufacturing.

When Edward Turner took over as chief designer and managing director at Triumph in he set about rationalising the existing range of machines. His objective was to eliminate the unprofitable machines and re-style the , and overhead-valve and side-valve singles. His main constraint was the advent of the new model year, or, specifically, the Olympia show.

The timing was such that he was forced to create three interim models, Tiger 70, 80 and

Triumph Dating Information

Click on the advert to visit the Shannons website. Click to visit the BM Bikes website. Full mechanical restoration, excellent paint. Not sure if the paint is original, all indications are that it is. It certainly has not been painted in the 20 years that I have known the bike. I chose not to lose the patina and originality.

Machine Dating Service (UK owners only) Machine Dating Service (UK Owners only) The Jawa CZ Owners Club has information on machines made from to Serial number plate Jawa – .

The engine number starts with the mark number: Then the engine size code above , with a year code, which is the last number only of the year eg 5 for So, for example, a number beginning 4. Similarly, a number beginning 1. This complicated sequence is then followed by the engine number itself, limited to four digits or less. Frame numbers advanced at a greater rate not quite twice as fast but something close than engine numbers the opposite to post practice which implies that engine numbers used more than one sequence.

I have frame numbers running up to around on my register which implies a total production run of about including all models. The introduction of the Tiger models then resulted in an additional T prefix in front of the whole sequence. From my research pre war TF frames reached just over in and post war machines picked up from there. However Peter Gallagher in Australia has done some good research consulting contemporary sources, including individuals and written records, and has come up with the following sequences as the most likely and I am indebted to him for allowing me to reproduce the information here.

Engine numbers included a model type prefix. So 6T N is a Thunderbird used to be mine, where is it now?

The Triumph Forum

Services to Members More about what we do for members. The Club provides a number of services to its members, the most popular being the Triumph Motorcycle Dating Service, and the Club Archives. If you have an old Triumph motorcycle that has never been registered, or one that the DVLA do not have any records for, and you wish to retain the original or obtain an age-related registration number plate then you need this service.

The Spinning Wheel is a family business situated on the edge of the beautiful Peak District in Derbyshire. We are very accessible being only 6 miles directly from Junction 29 M1. We have built our business on a reputation for exceptional motor cars and mot.

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ARIEL ENGINE AND FRAME PREFIX NUMBERS TO Note: two strokes all left the factory with the engine number the same as the frame number. One series of numbers was used for all the two strokes, prefixed T-,the model being indicated by the suffix letter.

Triton motorcycle built by Dave Degans of Dresda motorcycles in The engine is a heavily modified 6T pre unit Number 6T with a dating letter for the engine of The forks are Triumph with external springs; the front wheel has an alloy rim with a stove enamelled twin leading shoe brake supplied by Dresda and stainless steel spokes and nipples.

The rear wheel is a stove enamelled Manx hub with stainless steel spokes and nipples. The petrol tank is Fibreglass with a lining and the oil tank is Fibreglass. Engine Specification was built for racing see engine specification in photos Morgo barrel and Morgo pistons with a squished gas flowed head with large valves and centre plug conversion. It has the oil pressure modification.