How fast is a Yamaha Big Bear 350?
Top speed: The top speed of a stock Yamaha Big Bear 350 is 40 mph. Many variables may alter the speed, such as rider weight, terrain, and vehicle condition. In ideal conditions, for example, you may be able to get up to 45 mph. Fuel economy: The estimated fuel economy is 20 mpg (11.8 liters/100 km).
How many cc’s is a Yamaha Big Bear?
Yamaha Big Bear 400 4×4 IRS Engine and Transmission Technical Data | |
---|---|
Engine type – Number of cylinders | Single cylinder, four-stroke |
Engine details | – |
Fuel system | – |
Engine size – Displacement – Engine capacity | 421.00 ccm (25.69 cubic inches) |
What oil does a Yamaha Big Bear 350 take?
ATV Power SAE 5W-40 Synthetic 4T Engine Oil, by Motul USA®.

Where is the serial number on a Yamaha Big Bear 350?
Look on the left side of your vehicle’s frame behind the front tire. If it is not there, you may want to check the lower frame rail beneath the engine. Your VIN is a 17-digit number that contains information about your Big Bear as well as identifies it.
How much does a 1998 Yamaha Big Bear weigh?
Weighing in at 476 pounds wet, the ’98 Big Bear measured 75.4 inches in length, 45.9 inches in width and 44.5 inches in height.
How do you tell what year a Yamaha Big Bear 350 is?
Your VIN is a 17-digit number that contains information about your Big Bear as well as identifies it. Identify the 10th digit of your Big Bear’s VIN number. This letter designates year model.

Why did Yamaha discontinue the Big Bear?
Yamaha Recalls Big Bear ATVs Due to Crash Hazard (Recall Alert)
Is a Yamaha Big Bear good?
The Yamaha Big Bear 400 was a tough and reliable quad that could get the job done. Its superior power was a perfect trade-off for top-end speed, and its rugged appeal, towing capabilities, and mighty engine were a big hit with consumers. People adored this wheeler, even with its imperfections.