Yamaha YFM250
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| Yamaha YFM250 | |
| Manufacturer | |
|---|---|
| Also called | YFM250R |
| Production | 2009 - 2013 |
| Class | ATV |
| Engine | Single cylinder, air-cooled, 4-stroke, SOHC, 2-valves |
| Bore / Stroke | 73.7mm x 73.7mm |
| Compression ratio | 9.5:1 |
| Ignition | dc-cdi |
| Transmission | Gear box: 5-Speed, manual Final Drive: Sealed O-ring chain |
| Suspension | Front: Independent double wishbone, 5 position preload adjustable spring, 190 mm wheel travel Rear: Swingarm, 5 position preload adjustable spring, 200 mm wheel travel |
| Brakes | Front: Dual hydraulic disc Rear: Hydraulic disc |
| Front Tire | AT20x7-10 |
| Rear Tire | AT19x10-9 |
| Wheelbase | 43.7 inches (1110 mm) |
| Length | 64.02 inches (1626 mm) |
| Width | 42.2 inches (1072 mm) |
| Height | 40.94 inches (1040 mm) |
| Seat Height | 28.7 inches (729 mm) |
| Weight | 313.06 pounds (142.0 Kg) (dry), 150.0 kg (wet) |
| Oil Filter | K&N KN-143 |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 2.38 Gallon (9.00 Liters) |
| Manuals | Service Manual |
The Yamaha YFM250R was a Single cylinder, air-cooled, 4-stroke, SOHC, 2-valves ATV produced by Yamaha between 2009 and 2013.
Engine[edit | edit source]
The engine was a air cooled Single cylinder, air-cooled, 4-stroke, SOHC, 2-valves. A 73.7mm bore x 73.7mm stroke result in a displacement of just 249.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive[edit | edit source]
The bike has a 5-Speed, manual transmission. Power was moderated via the Wet multi-disc, manual.
Chassis[edit | edit source]
It came with a AT20x7-10 front tire and a AT19x10-9 rear tire. Stopping was achieved via Dual hydraulic disc in the front and a Hydraulic disc in the rear. The front suspension was a Independent double wishbone, 5 position preload adjustable spring, 190 mm wheel travel while the rear was equipped with a Swingarm, 5 position preload adjustable spring, 200 mm wheel travel. The YFM250R was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 313.06 pounds (142.0 Kg). The wheelbase was 43.7 inches (1110 mm) long.
2013 Yamaha YFM250R[edit | edit source]
The 2012 Yamaha YFM250R is a nifty choice for those in search of a very maneuverable off-road machine with the attitude of a true racing quad. The quarter-liter engine is much punchier than you'd expect and is designed to be ridden hard. Together with the revised geometry of the frame and suspension, the triple hydraulic disc brakes are providing a smooth, predictable ride even on the most unwelcoming terrain, while at the same time being easy to set up for weekends at the dirt track.
Also comes in a homologated version for registration, therefore it can also be used on public roads.