Engine number and year of manufacture: Difference between revisions

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[[Category:Engine]]
[[Category:Engine]]
Every once in a while, we get a post asking if anyone knows what year an engine is from, given the engine number. Well, Kawasaki doesn't give out this information, as it would allow people to figure out their sales figures, which are confidential. However, one can observe and write stuff down. This is an unofficial list put together from experience by [https://www.ninja250.org/AP AP].  
Every once in a while, we get a post asking if anyone knows what year an engine is from, given the engine number. Well, Kawasaki doesn't give out this information, as it would allow people to figure out their sales figures, which are confidential. However, one can observe and write stuff down. This is an unofficial list put together from experience and physically verified by [https://www.ninja250.org/AP AP].  


There’s no guarantee that this list is 100% accurate, but these are pretty solid numbers, obtained by comparing VIN and engine numbers. The engine numbers are sequential, so there is a start and end range. These have all been physically verified by AP. Keep in mind that the engine number only dates the case, since the other parts could have been changed by any owner. But this is usually very unlikely.   
There’s no guarantee that this list is 100% accurate, but these are pretty solid numbers, obtained by comparing VIN and engine numbers. The engine numbers are sequential, so there is a start and end range. Keep in mind that the engine number only dates the case, since the other parts could have been changed. But this is usually very unlikely.   


There are casting marks on various parts of the engine that give the engine number. The head and valve cover have markings for when they were made, and the engine case halves do, too.  
There are casting marks on various parts of the engine that give the engine number. The head and valve cover have markings for when they were made, and the engine case halves do, too.