2 stroke
2003
jyarj151000004289
On the underside of the engine on the left.
j503e-001750
Usually the serial number is on a tag mounted on the bracket that holds the outboard engine to the boat.
No, the serial number on the engine is totally different from the VIN number on the frame. The only info you can get from your engine number is date and origin of manufacture. The frame VIN number and engine numbers are always different.
3PT-299616
1979/1980
I would say the engine is a 1999 by the last digits in the serial number Actually is it this Model YZ125M-SK Model Year 2000
There are three serial numbers on a Yamaha WaveRunner - a HIN number, an Engine and a Primary ID number. It is the latter that we use for general identification purposes and is stamped on a label attached inside the engine compartment.
2005
vr6-01372 what year and engine size