. Most parts for any one 70 Yam will be the parts from most any other 70 Yam. In other words no significant changes since being introduced in 1983. The nameplate reads pic below F9. Quite possibly I jotted down a wrong number or letter when I took the serial number. If the number washed out, you may find a small sticker either on the cylinder head cover or the starter bracket. Since it's very beginning, the web site focuses on providing a meaningful resource for fishing information and to create a medium for anglers to come together as a community and share information.
Today, the community has grown to host various contributing volunteer experts, guides, and professional fishermen with the goal of helping and sharing with fellow anglers. Yamaha has been happy to help in this regard. 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. The question posed in this thread is how to deduce model year from the serial number. 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. Wondering if anyone knows how to decipher the serial number for a Yamaha Outboard. If that fails, all is not lost.
Just adding to Rodger's answer with some explanation as the others followed with. Yamaha Model Designation Imbedded in the model number is the horsepower and year of the engine. The community is full of anglers from around the State of Washington, who are ever helpful and willing to share their own experiences and knowledge. You will have to use your own knowledge of your engine to se. You know that it has precision blend so it is not a C70. Force outboards used model numbers on vinyl tags, many of which washed out.
Unfortunately, you'll often find that the vinyl tag has washed out. There are numbers stamped on your carburetor. I assume the search engine found it for you. Chrysler Outboards Chrysler outboards work by a model number. Re: Serial Number for Yamaha Outboard try this: Yamaha Model Designation Imbedded in the model number is the horsepower and year of the engine. Force Casting Number The cast number is located under the ignition plate on the starboard side of the block, beside the top bypass cover.
The serial number itself won't do you much good, but an authorized dealer can use the serial number to match the engine up with a model number again. Note that the letters have been reused throughout the model years. The first 3 characters are usually sequenced numeric-alpha-numeric. What other markings do you see? In that white band will be the serial number. Look at the carburetors for any markings. I will check the carburetors as well if you are referring to the outside casing and not the inside. I thought the N was the 2004 year designator.
The last 7 characters all numeric. It makes sense that the C is the designator since mine is a 2004. The last letter corresponds to the year listed in the chart below. It can usually be found on a either a metal plate on earlier models or a sticker on later models. First, these would be on a metal tag and stamped with the numbers.
It is black and round, with a white band through the middle. Outboard Spares Yamaha Outboard Model Year Identification Details needed for ordering outboard spares parts On the Serial Number Plate on most Yamaha Outboards it will be in this format 6E9-L-675634 The L in the example can be as follows S - Short 15inch L - Long 20inch X - Extra Long 25inch U - Ultra Long 30inch The Prefix is determined by the model of engine The six numbers are your unique Serial Number. I am unable to locate any other stickers. JimH, I looked at the chart in the link that you posted prior to posting here and couldn't seem to come up with an answer. I would to start by thanking you in advance for your help and time.
In this case, the powerhead freeze plug can be located and will have the serial number. Bill 2006 Yamaha Reference Guide - Click on page number for detail. Evinrude Johnson Quick Parts and Accessories Reference Guide - Click on page number for detail. Prior to 1991 it was a reverse alphabetical order that skipped some letters. You can get a rough idea of standard transit times from the map above. Please use the model number, not the serial number for looking up the year the outboard was manufactured in this table. Over the years, manufacturers have changed where this information is located on an outboard.
In the bottom right of this plate, sometimes hardly visible there is a letter stamped, if you compare this letter with thel ist below this will give you the year of the engine, some letters are duplicated such as N but a little common sense will tell you if your engine stamped N is a 1984 N or a 2005 N N - 2005 P - 2004 Q - 2003 R - 2002 S - 2001 T - 2000 U - 1999 V - 1998 W - 1997 X - 1996 Y - 1995 Z - 1994 A - 1993 B - 1992 C - 1991 D - 1990 F - 1989 G - 1988 H - 1987 J - 1986 K - 1985 N - 1984 P - 1983 Q - 1982 R - 1981 S - 1980 T - 1979 U - 1978 V - 1977 W - 1976 X - 1975 Y - 1974 Z - 1973. Can anyone steer me in the right direction? That freeze plug will have a serial number on it. I purchased a used boat this year and the sticker or stamp for the model number located on the transom has completely faded away. In your case, I would first research 6h4-l417275 as a possible serial number. I think I have a 200 hp Saltwater Series ll Yamaha engine from 1998. I have located the stamp on the engine but don't know how to decipher the model number, the stamp reads 505913.