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Free KTM VIN Decoder – Vehicle Identification Number Decoder System and Vehicle History Reports for KTM. Lookup and Check KTM History. Free KTM VIN Decoder – Vehicle Identification Number Decoder System and Vehicle History Reports for KTM. Lookup and Check KTM History.

Penton Owners Group - The Last Five Digits Production Year Guide The Last 5 Digits By Bill Smith How many times have we looked at the steering head tube on a CMF (Chrome Moly Frame) Penton motorcycle and wondered what do all these numbers mean? First let's address the two types of frame numbers. The first type consists of 8 digits. This type pertains mainly to the Sachs powered models though I have found KTM powered models using this as well. As stated in several past newsletter articles and the website Production Year Guide, the first digit represents the year (i.e. Bookworm Adventures 2 Apk Free Download For Android. 2 = 1972) and the next two digits represent the month (i.e.

For example, if the frame number were 20555144, this would be a model built in May 1972, with the remaining digits being the actual serial number. The second type consists of the same 8 digits but also has an extra 7-, 51-, or 54- ahead of the original 8 digits. These extra digits could be called production codes for the lack of anything else to call them. These digits were only found on the KTM powered models. If the 7- appears, you are looking at an all-new Jackpiner model starting with June 1972 through June 1973. The 51- and 54- seem to start where the 7- number ends which is June 1973 through September 1976. This period was the time when the rear conical hub first appeared and numerous design changes started.

To find the year, month, and serial number, you simply disregard the 7-, 51- or 54- and look solely at the last 8 digits. For example, 7-20655454 would be a model built in June 1972, with the remaining digits again being the actual serial number. In some cases, frames have been found with no frame numbers stamped in them at all.

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It is believed this type of frame was most likely a replacement frame. With the production code, year and month being addressed, what is left?

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The last five digits. In the past, I would always look at a set of frame numbers and say to others, or myself the 7-, 51- or 54- didn't mean too much.

The next 3 digits are year and month, and the last five digits are 'just the serial number.' I never realized how important the last five digits were until a few months ago. The last five digits are the whole key to total production to all Penton/KTM models.

Not only is it the key to total production but the year and month production as well when using the year and month part of the frame number. And it's even the key to who has the earliest or latest CMF 100cc, 125cc, 175cc, 250cc and 400cc models. Remember the talk about the steel tanker models and V-001 being the very first Penton every produced and how everyone was trying to find steel tankers with the lowest 'V' serial number possible? Now that holds true with the CMF models as well.

How do I know this? After compiling over 200 frame numbers, I put them in ascending order by using just the last 5 digits of the serial number, and to my surprise, the year and month part of the frame number automatically ascended in perfect order as well. What was so interesting about this was that the serial numbers never quit climbing from June 1971 to September 1976. Another interesting note was that in one or two cases the year or month seemed out of order and did not follow the expected pattern. In these cases, it showed that the frame number given to me was an error, whether it was the year, month or the 5-digit serial number.

And in every instance, an error was found and corrected. What this list has shown me to date is that the earliest frame number I have recorded is 10650190. So we know now that CMF production started in June 1971. If the 5-digit serial number started with 50000, this would be the 190th unit ever produced.

If the 5 digit serial number sequence started with 00000, this would be the 50,190 unit produced, and that sounds almost impossible. So guessing, I would say that the base serial number was 50000. The highest number I have recorded is a 3. So if you subtract 50,190 from 93,213, this puts total production from June 1971 to September 1976 at 43,023. In 1976 a new frame number appeared on the all-new MC5, 125cc through 400cc models. These numbers started with 550xxxxx and seemed to stay with these first three digits for the next two years, 1976-77.