I have a Yamaha 350 big bear, and differential drain plug is on the bottom of the differential. Just remove the plug and let it drain, put the plug back in and fill it back up... i use just regular gear oil
Mukini
YFM 350SE Big Bear 4x49725x8x1225x10x12
gap for my 1995 big bear 350 is 0.6-0.7 mm or .024-.028 in.
1998
4 gallons
What is the spark plug gap setting for a 1987 yamaha big bear
The VIN JY44UMTO7TA001040 indicates that your Yamaha Big Bear 350 was manufactured in 1996. The 10th character of the VIN, which is "T," corresponds to the year of production, which in this case is 1996.
.032
1875
20w-40
2 quarts