- #HARLEY DAVIDSON VIN NUMBER IDENTIFICATION SERIAL NUMBERS#
- #HARLEY DAVIDSON VIN NUMBER IDENTIFICATION CODE#
- #HARLEY DAVIDSON VIN NUMBER IDENTIFICATION SERIES#
- #HARLEY DAVIDSON VIN NUMBER IDENTIFICATION DOWNLOAD#
Until the Sportster surpassed it in 1998, it was Harley-Davidson's longest running engine in production. The Harley 45 flathead engine was left pretty much unchanged throughout it's 41-year production run. If you're building a Harley 45 motor from the cases up, belly numbers that match usually mean that line-boring may not be required, although its always a good idea to check. The four numbers after the dash are a sequential assembly-line number. The second and third digit is the year (1961), and will probably be stamped in a closed-top letter style with a short horizontal stroke across the top. your cars windshield for your 17-character Vehicle Identification Number. In number 361-1722, the number 3 will probably indicate a round top case. Use our VIN lookup tool to check for recalls on your car. This example will help decipher the engine case numbers on your Harley 45 motor. The first two numbers are the year and the remaining numbers are the production number. The letters (up to four) are the model code. Very early models may be stamped 'GA' or 'GD' or 'GDT'. Most Harley Servi-car motors are stamped 'G' or 'GE' if it's an electric start 1964 and later. So, even though they all have the same "42 WLA" designation, it's possible to identify the year of manufacture from casting numbers and date codes on the engine cases. There were several different configurations of 42 WLA's during those years.Īlthough pre-1970 Harley-Davidson motorcycle frames were never numbered, engines were usually sequentially-numbered.
#HARLEY DAVIDSON VIN NUMBER IDENTIFICATION SERIAL NUMBERS#
Produced from 1941 through 1945, the WLA engine had serial numbers beginning with 42WLAxxxxx. This is not an issue with vintage motorcycles. The reason tetraethyl lead was added to gasoline in the first place was to increase octane for vehicles with high compression. The WR racer saw considerable success, competing against rival Indians on dirt track speedways throughout the 1930s. There is a star at the left and right of the sequence of. With increased compression and hotter cams, the WR-750 shared a large number of parts with the mass-produced military WL series. The Harley Davidson engine number has 10 characters and is stamped onto the engine block, on the left. In Class C rulings, flatheads were allowed to displace 750cc, while OHV motors were limited to 500cc. The letters below (4) (the 5th and 6th characters in your VIN number, beginning with the letter C) represent what model of Sportster you have. Where is the VIN on a Harley-Davidson Sportster Up close your VIN should look like this. It conformed to stricter Class C AMA rules, which were intended to reduce costs for competitors. It’s all in the VIN located on the motorcycle’s frame.
In 1946, the 45ci WR Flathead racer was introduced. The 45's highest output model, however, was the WR factory racer. Harley-Davidson called this civilian model the Sport-Solo. The compression was increased through use of different cylinder heads.
#HARLEY DAVIDSON VIN NUMBER IDENTIFICATION SERIES#
The WL series were manufactured from 1937 until 1952 and featured a "high-compression" motor. Read: Harley 45 Drivetrain Harley WL Solo The easiest way to tell them apart is that big-twin flatheads (UL and VL) have their drive chains on the left, and the 45 has them on the right. If you find an error and want to let us know, we’d be happy to hear from you.The Harley 45 flathead motor looks similar to a Big-Twin flathead. I can’t promise it’s 100% correct or complete, but I’ve done a lot of research.
#HARLEY DAVIDSON VIN NUMBER IDENTIFICATION DOWNLOAD#
Or have the ability to download it and read it from your smart phone. For instance, if someone wants to buy a car, it is possible to check the VIN number one the online. This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more.
#HARLEY DAVIDSON VIN NUMBER IDENTIFICATION CODE#
Or bring it along when you’re checking out that basket case you’re thinking about buying. Every Harley Davidson car has a unique identifier code called a VIN.
So if Tech’s Web is so complete, why did I take all the time to do it myself? Because this is the only one I found that you can download, print out, and take to the garage with you. I consider one to be the best organized and most complete: Tech’s Web. I referenced three different websites in the gathering of this information. It’s here! I’ve just finished gathering and recording all the information on Harley-Davidson Vehicle Identification Numbers I could find. (click on the link above to download the PDF) Abbys Harley-Davidson VIN Decoder – 1930 – 2014
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