How much compression should a Big Bear 350 have?
Its transversely mounted powerplant has a bore-stroke ratio of 83 by 64.5 mm (3.27 × 2.54 inches). It has an engine displacement of 348 cm3, a compression ratio of 8.6:1, and a wet sump lubrication system. Top speed: The top speed of a stock Yamaha Big Bear 350 is 40 mph.
How much horsepower does a Yamaha Big Bear have?
400 horsepower
yamaha big bear 400 horsepower.
What CC 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) |
How fast will a Yamaha Big Bear 400 go?
Yamaha Big Bear 400 Top Speed The Big Bear top speed is 52 mph on stock – but only averages up to 45 mph for most owners.
How fast does a Yamaha Big Bear 400 go?
What’s the horsepower of a Yamaha Big Bear 350?
The 1996 Yamaha Big Bear 350 has a maximum power output of 17.1 kW (23.2PS) @ 6,500 RPM. 2.64 US gal/10 liters of regular gasoline with a pump Octane number of 87+ and a research Octane number of 91+ is enough to fill the vehicle’s tank. Lubrication: The Big Bear’s oil capacity at draining is 3.1 US quarts/2.9 liters.
Is the Big Bear 350 a 4×4 vehicle?
Amidst the newfound rave for four-wheeled all-terrain vehicles, Yamaha made a timely move and introduced its first-ever 4×4 vehicle, the Yamaha Big Bear 350. The 350cc machine, launched alongside other pioneer quads, allowed consumers to experience class-leading technology at a reasonable price.
What is the repair manual for a Big Bear 350?
External components such as the tires, fuel tank, fenders, and handlebars are also covered. The Yamaha Big Bear 350 repair manual usually begins with a quick reference section containing a list of materials or tools needed for maintenance and repair.
Why is my Yamaha Big Bear 350 cutting off?
To prevent transmission failure, do not overwork the vehicle and force it to run at a higher speed. If a Big Bear 350 is idling up extremely high and then cutting off, the ATV will most likely be experiencing carburetor issues.
What kind of engine does a Yamaha Big Bear have?
Production of the Big Bear 350 was halted in 1999 when Yamaha re-focused on other ATV models. The Yamaha Big Bear 350 has a load capacity of 175 lbs and notable features include an odometer, electric start and reverse gear. The Yamaha Big Bear 350 Engine is of four-stroke design with a single overhead cam (SOHC).
What kind of carburetor does Big Bear 350 have?
It featured a BST34 Mikuni carburetor, a large oil-cooler, a dual-range 10-speed transmission, and Torque Control Differential (TCD).
When did the Big Bear 350 come out?
1989 Yamaha Big Bear 350 4X4. Electric start, automatic 5-speed with Hi/Lo/Reverse. The Yamaha Big Bear has the reputation of being reliable and bulletproof. It’s been garaged for 12 years so it doesn’t have as many miles as its age might indicate.
What is the repair manual for a Yamaha Big Bear 350?
The manual describes every important aspect of the vehicle from a mechanical and service standpoint to assist the owner in the care of the vehicle. Equipped with the proper tools and a repair manual, a Yamaha Big Bear 350 owner can perform regular maintenance and repairs as a do-it-yourself activity.