Yamaha YZ125 - 2008 Specifications and Reviews
The 2008 Yamaha YZ125 is a lightweight 124cc motocross bike designed for intermediate to advanced riders seeking competitive performance on the track. Known for its responsive liquid-cooled engine and agile handling, it delivers the power and control needed for racing while remaining manageable for experienced enthusiasts. Its compact dimensions and 86kg weight make it ideal for technical terrain and jumping.
General information | |
| Category | Cross / motocross |
| Year | 2008 |
| Model | Yamaha YZ125 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 8.6:1 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,443 mm (56.8 inches) |
| Ground clearance | 386 mm (15.2 inches) |
| Overall width | 828 mm (32.6 inches) |
| Overall length | 2,136 mm (84.1 inches) |
| Overall height | 1,316 mm (51.8 inches) |
| Seat height | 998 mm (39.3 inches) If adjustable, lowest setting. |
| Dry weight | 86.2 kg (190.0 pounds) |
Yamaha YZ125 dimensions and frame | |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 250 mm (9.8 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 100/90-M19 |
| Front tyre dimensions | 80/80-M21 |
| Rear suspension travel | 315 mm (12.4 inches) |
| Rear suspension | Fully adjustable single shock |
| Front suspension travel | 300 mm (11.8 inches) |
| Front suspension | Speed-sensitive system inverted fork |
| Rake (fork angle) | 26.0° |
| | |
Speed and acceleration | |
| Color options | Blue/white |
| Fuel capacity | 7.94 litres (2.10 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track85%
City5%
Cornering90%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a full-on competition motocross bike best suited to intermediate through expert off-road riders who understand 2-stroke power delivery and clutch management. |
| Purpose | Built purely for motocross racing and aggressive trail riding, not for commuting, road use, or casual leisure riding. |
| Rider Fit | The tall 38.6-inch seat height, light 212 lb wet weight, and peaky 2-stroke power demand an active, fit rider comfortable standing and shifting body weight constantly. |
| Character | A raw, high-revving 2-stroke racer that rewards precise clutch and throttle control with explosive acceleration and razor-sharp handling on dirt. |
| Not Ideal For | Not for beginners, road riders, passengers, or anyone wanting comfort, storage, or long-distance capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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