Motorcycle & Moped Chart. Previous to 1981, VINs usually started with the model code and followed with a sequential production number. For example CL4 is the VIN of a 1969 Honda CL450K2 Scrambler 450. It was bike number 12,470 of the CL450 line (they started making them in 1967). Starting in 1981 the model code ceased to be just the model name.

Early motorcycles generally had the same number for the engine and frame (often referred to as matching). However, occasionally an engine case (containing the original number) may have been replaced due to damage and will not, therefore, have a number stamped on it.

Alternatively, the owner may have stamped the new case to match the frame number; a practice that may be frowned upon, but if photographed and logged properly, will not greatly affect the value. (This is a typical example of when it is imperative to.). Drivers navman f series canada 310 gps maps.