In fact, on the VIN decal on your bike, besides the 17-position VIN number, you will also find the date of the bike production in the format MMYY, such as 1080 (meaning October, 1980).It goes without saying that the proper and correct identification of your bike is important for a number of purposes----first and foremost, so that you can order the correct parts for it But equally important is making sure that your title is correctly identifying your bike for registration, title, and licensing purposes, as well as for insurance registration purposes, etc.The procedure for doing this is described completely further below.
Yamaha Motorcycle Engine Number Lookup Code Talking AboutAnd finally, if you take a little bit of study time all of the information below, then soon you, too, can start code talking about having a 1982 5N8 model or a 750MK and really impress the other guys at the shop with your intimate and devil-is-in-the-details knowledge about all things Yamaha. Okay, as is proper with any good training video, were going to start with the big picture and then work down to the nitty-gritty details. So, buckle up, or hunker down, or whatever your favorite metaphor is------because theres going to be a pretty smooth take-off, but then expect some bumps in the road ahead. Or, if youre pressed for time like the rest of us, first go here: and then here: NUMBERS, NUMBERS-----EVERYWHERE: In order to provide a simple basis of communication both internally (between the engineering, sales, production, marketing, and other departments within a company) and also externally (retail dealers, customers, governmental and other outside parties), vehicle manufacturers of all kinds choose to (and are now required to) provide unique shorthand codes for each particular unit that they offer for sale. The most commonly used code is what is commonly known as a VIN or Vehicle Identification Number----a sort of DNA fingerprint for an individual product. Yamaha Motorcycle Engine Number Lookup Serial Number ForBesides containing a unique serial number for an individual bike, the VIN number also identifies unique characteristics of a bike, such as the manufacturer, the model or platform identification, certain optional characteristics, the year of manufacture, etc. Before we get down to deciphering a VIN number, lets take a brief step back in time, and recognize that prior to 1981, there was no real set standard for how VIN numbers had to be assigned.in other words, the VIN Numbers used (by any vehicle manufacturer) prior to 1981 was more-or-less an internal-use number, and could be conjured up in whatever way struck a manufacturers fancy and served their internal needs. Starting in the late 1970s, with the proliferation of manufacturers, vehicle production volumes, and international sales, a solution to the VIN dilemma was suggested by the International Standards Organization (outlined in ISO Standard 3779, for the ultra-curious), and this standard was adopted and required to be used by all manufacturers that sold vehicles into the USA by the National Highway Traffic Saftey Administration (NHTSA) as of 1981. This is when the familiar, still-used-today 17-position VIN number came into use, and similar structured VIN formats were also adopted by Canada, the European countries, and many other countries around the world. Prior to 1981, manufacturers could use a VIN number length of their choice, and Yamaha was no exception in this regard. In fact, because of the difficulty encountered with implementing this required 1981 changeover, Yamaha (and some other manufacturers) were granted a 9-month stay of execution for their 1981 model-year offerings, where they could still use their older (shorter) version VIN numbers to identify their products. Thus 1980, 1981, and perhaps even some very early production 1982 model-year bikes use a shorter VIN number that appears on the frame of the bike (more about this later), and may also include a printed paper decal that lists a different (longer) VIN number that is the extended, 17-posiiton version of the original, shorter VIN number. Were going to start with the full 17-position VIN, and only later go backwards and look at the shorty VINs and see how they inter-relate to each other. As an example, were going to play motorcycle manufacturer and were going to build ourselves a 1981 XJ650 Maxim VIN. Here is a standardized 17-position string of letters and characters that well use as an example: 1234567890abcdefg Now, were going to break up that 17-character string into its component bits and pieces, like this: 123 -45678- -9- -0- -a- -bcdefg Its broken up this way because each sub-group of positions (as shown above) has a specific meaning, and here they are: The first 3-position field (123) is known as the WMI, or World Manufacturer Identifier code. ![]() The next 5-position field (45678) identifies the vehicle characteristics, such a body style, engine type, model, platform, series, etc. The next 1-position field---position 9 above---is always a mathematically calculated check digit that looks at all other positions of the full VIN number, performs a mathematical formula (multiplying, adding, and then dividing according to a pre-determined routine), and uses the remainder as the check digit. This process insures that transcribing errors and forgery efforts can be identified more easily. For our example, were going to use the number 6 as the check digit: JYA4H7006 -0- -a- -bcdefg Okay, the next position---the tenth position in the VIN number (designated by the number -0- above) identifies the year of your bike. NOTE: the year actually refers to the MODEL YEAR of your bike, and not the year in which it was produced. Since next years models normally are available in dealer showrooms sometime around September of the previous calender year, the model year of the bike and the calender year of a bikes production can differ.
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