Yamaha Big Bear 250
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| Yamaha Big Bear 250 | |
| Manufacturer | |
|---|---|
| Production | 2009 - 2011 |
| Class | ATV |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 71.0mm x 58.0mm |
| Compression ratio | 8.7:1 |
| Ignition | dc - cdi |
| Transmission | Gear box: 5-speed w/reverse Final Drive: shaft drive (cardan) |
| Suspension | Front: mcpherson independent double wishbone, 5 position preload adjustment, 125 mm stroke Rear: swingarm, 135 mm stroke |
| Brakes | Front: double disc Rear: expanding brake (drum brake) |
| Front Tire | 22/7-10 |
| Rear Tire | 22/10-10 |
| Wheelbase | 46.06 inches (1170 mm) |
| Length | 75.43 inches (1916 mm) |
| Width | 40.87 inches (1038 mm) |
| Height | 44.02 inches (1118 mm) |
| Seat Height | 30.39 inches (772 mm) |
| Weight | 455.92 pounds (206.8 Kg) (dry), 207.0 kg (wet) |
| Oil Capacity | 0.48 Gallon (1.80 Liters) |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 3.17 Gallon (12.00 Liters) |
| Manuals | Service Manual |
The Yamaha Big Bear 250 was a single cylinder, four-stroke ATV produced by Yamaha between 2009 and 2011.
Engine[edit | edit source]
The engine was a air cooled single cylinder, four-stroke. A 71.0mm bore x 58.0mm stroke result in a displacement of just 229.6 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive[edit | edit source]
The bike has a 5-speed w/reverse transmission. Power was moderated via the Automatic.
Chassis[edit | edit source]
It came with a 22/7-10 front tire and a 22/10-10 rear tire. Stopping was achieved via double disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a mcpherson independent double wishbone, 5 position preload adjustment, 125 mm stroke while the rear was equipped with a swingarm, 135 mm stroke. The Big Bear 250 was fitted with a 3.17 Gallon (12.00 Liters) fuel tank. The bike weighed just 455.92 pounds (206.8 Kg). The wheelbase was 46.06 inches (1170 mm) long.
2009 Yamaha Big Bear 250[edit | edit source]
The 2008 Yamaha Big Bear 250 is a nifty quarter-liter machine for those who need a lightweight ATV which is capable of handling rough terrain and be a dependable partner for both work and play. If the big-bore beasts are not your favorite toys or in case your all-terrain vehicle budget is a bit on the thin side, the 2008 Yamaha Big Bear 250 may be just the right choice.
Smaller displacement does not mean a compromise in performance: it only means scaling down. This ATV comes with a semi-automatic transmission using a 5-speed gearbox and automatic clutch for easy operation and optimal power delivery in all scenarios. Tough, Grizzly-type chassis and bodywork and similar suspensions ensure great traction and handling even in tight situations, and the rear wheels engine braking is yet another top-class feature present in the 2008 Yamaha Big Bear 250. This is not a toy-ATV, it's only a smaller-size workhorse. A workponey, if you wish.