The VIN number you provided, JY44WUW01WA057274, indicates that your Yamaha Big Bear was manufactured in the year 1998. The 10th character of the VIN, which is "W," corresponds to that year in Yamaha's coding system.
What year is my big bear 5y4aho6y53ao43832
1999
The VIN number 5Y4AH06Y21A01319 indicates that the Yamaha Big Bear is a 2001 model. The fifth character in the VIN, "1," signifies the year of manufacture, which corresponds to 2001 in Yamaha's VIN coding system.
1875
Its is a 1992 if the tenth number is correct
i have a yamaha big bear 350 ser no. jy44uhw05wao40667 what year model
1992, I used the link in the source
A Yamaha Dealer told me that if the 10th digit is a number then the year is that number. For example, if the number is 4 then the Bear is a 2004. I did not ask about older models, just the 2000 and newer models.
Many states require an ATV like the Yamaha Big Bear 350 4x4 to have a title registered in the name of the owner. If the VIN is worn away, the title is the next source for finding out what year it was manufactured.
1998
1999
the last digit of your serial number is the year, this is the case for my chappy Yamaha 85 the last digit of your serial number is the year, this is the case for my chappy Yamaha 85