The number will look something like this *VBA1M 036896* The first three letters are indicative of the model, the numbers will tell us the year, and can indicate if the motor and frame match. The mounting arm and the number are probably covered in dirt and grease so you'll have to wipe it off with a rag. On the center of the face of the mounting arm is a flat space upon which the number is stamped.

It may be partially obscured by the bend in the exhaust. Extending from the engine forward to the big bolt is a mounting arm.

Lay on your belly facing the engine, looking across the kick start lever, just behind the big bolt. Rolex Serial Number: the list of all Rolex Serial Number by Year of Production, from 1927 to 2010. The first is a small bolt at the bottom of the rear shock absorber, the other is a big long bolt running through the frame from one side to the other. The motor is mounted to the frame by two bolts. The number always appears on the engine so this is a great bet (but if the motor's been swapped it can be misleading, so it's best to find both and match the numbers.) Here's how to locate this number. 2) Older models, 60's - on the lip of the frame underneath the center glovebox side panel (non-engine side) 3) Real oldies, 50s - on the lip of the frame inside and at the bottom of the carburetor access door underneath the front end of the seat (a square door down near the fuel tap.) These are, 1) Newer models, mid-70's - on the engine side of the frame near the rear about 10 inches directly above the gear selector box and oil fill plug. Rebated cylinders above serial number were roller indented with a Texas Anaconda Cobra Detective Special. The location on the frame varies with the model and is one of three places. Dating colt by serial numbers Evinrude’s. The numbers appear on the frame of the bike and on the engine case.

Colt anaconda serial numbers by year