Segment: Enduro/Offroad
Production years: 2002, 2003
Small bikes can provide big fun, and the best way to test this truth is to ride the 2002 YZ125. A brawny 124cc liquid-cooled 2-stroke engine delivers more punch than you'd expect, and manual 5-speed transmission provides excellent control across then whole rpm range.
This model year received fork and swingarm revisions, structural strengthening and engine tweak including new carburetor settings for increased responsiveness. Add in lighter brakes and high-performance Excel rims for a bike that's made for winning at the track.
YAMAHA YZ125 2002-2003
YAMAHA YZ125 125
| engine specs | Type: | liquid-cooled, reed valve-inducted, 2-stroke | Displacement: | 124 cm3 | Bore X Stroke: | 2.1x2.1 in OR 53 mm | Compression Ratio: | 8.7 – 11.0:1 | Horsepower: | -/- KW(hp)/RPM | Torque: | 0/- lb-ft/RPM OR 0 Nm/RPM | Fuel System: | 38mm Mikuni TMX carburetor |
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| transmission specs | Gearbox: | 5-speed, manual | Clutch: | Wet multi-disc, manual | Primary Drive: | - | Final Drive: | #520 O-ring chain |
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| chassis specs | Frame: | Steel | Front Suspension: | 46mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping; 11.8 " travel | Rear Suspension: | Fully adjustable Kayaba single shock, 12.4" travel; separate hi/lo speed compression adjustment | Front Brake: | 250mm floating disc | Rear Brake: | 245mm disc |
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| dimension specs | Overall Length: | 84 in OR 2134 mm | Overall Width: | 32.6 in OR 828 mm | Seat Height: | 39.3 in OR 998 mm | Wheelbase: | 56.6 in OR 1438 mm | Ground Clearance: | 15.7 in OR 399 mm | Weight: | 192 lbs OR 87 kg | Fuel Capacity: | 2.1 gallons OR 7.9 L |
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| tyres specs | Front: | 80/100-21 Dunlop | Rear: | 100/90-19 Dunlop |
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