The last letter corresponds to the year listed in the chart below. Chrysler Outboards Chrysler outboards work by a model number. In most cases, the model number is located on either the transom or swivel bracket. I will check the carburetors as well if you are referring to the outside casing and not the inside. Note that the letters have been reused throughout the model years. All information for the Yamaha is contained in the model number, i.
That is according to a chart I was working on some time ago; I actually forgot about that chart. I would to start by thanking you in advance for your help and time. I have located the stamp on the engine but don't know how to decipher the model number, the stamp reads 505913. What I have found through my searches is that I have either a 1985, 1993,94 or 95 motor? Not the most current or easiest to navigate but much info. In your case, I would first research 6h4-l417275 as a possible serial number.
Early Chrysler models stamped it on a metal plate and it was placed under the carburetors, inside the lower cowling, or pan. I thought the N was the 2004 year designator. It is black and round, with a white band through the middle. The first numbers are the engine hp. The cast number will be either a six-digit number ending in 010 or a number starting with either 800 or 818, ending with C, then a number.
Mercury On older Mercury outboards, going back into the 50's and possibly even earlier, the serial number would generally be viewed at the leading edge of the swivel bracket, as seen in the image below. In this case, the powerhead freeze plug can be located and will have the serial number. There are numbers stamped on your carburetor. Sure you read the serial correctly? Re: Serial Number for Yamaha Outboard try this: Yamaha Model Designation Imbedded in the model number is the horsepower and year of the engine. Later models used the same plate, but you'd find it on the side of the transom bracket.
On later model Mercury engines, the serial number was located on the swivel bracket, as shown in the picture below. First, these would be on a metal tag and stamped with the numbers. If you have a Yamaha engine that has been bought in from America or Europe direct the parts will still be the same but your model and year model code will be different. I got these numbers over the phone and was not able to see the plate on the engine so as I said something may be off. There are 2 locations where you may find this number. Bill 2006 Yamaha Reference Guide - Click on page number for detail. Take those numbers and google them or email us.
The question posed in this thread is how to deduce model year from the serial number. I think I have a 200 hp Saltwater Series ll Yamaha engine from 1998. Look at the carburetors for any markings. I have checked the motor up and down and have not been able to find the year and horsepower info. Quite possibly I jotted down a wrong number or letter when I took the serial number.
Once they switched over to the tags, this was another number that often washed out and could no longer be read. That freeze plug will have a serial number on it. You will have to use your own knowledge of your engine to se. Yamaha Outboard Engine Model Year Lookup The Model Year is indicated by a lower case letter in the black field in the lower left or right corner of the outboard motorplate. We also have several other related that address the topic of proper Yamaha Outboard Motor identification. The alternate label is usually in the vicinity of the start motor. Most parts for any one 70 Yam will be the parts from most any other 70 Yam.
If that fails, all is not lost. If for any reason that number may have been changed, removed, or can no longer be read, every Mercury had a freeze plug, which is on the powerhead and about the size of a quarter. If the number washed out, you may find a small sticker either on the cylinder head cover or the starter bracket. Can anyone steer me in the right direction? It can usually be found on a either a metal plate on earlier models or a sticker on later models. Just adding to Rodger's answer with some explanation as the others followed with. There is no user information contained in the Yamaha outboard serial number other than identification of the particular engine to which it is attached.