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Yamaha Cross Country Bike – YZ125X



The perfect step up to a full‑size Cross Country machine, this lightweight 2‑stroke is the pinnacle of performance on the race course.


  • Two-Stroke Agility: Tuned for Cross Country and Hare Scrambles Racing
    The YZ125X™ is optimized for the unique demands of Hare Scrambles and GNCC® racing. The YPVS™-equipped 125cc two-stroke engine is combined with a six-speed transmission for the ultimate cross country power plant.
  • Lightweight Aluminum Frame
    Ultra-lightweight YZ125™-spec frame features carefully engineered combination of aluminum castings, forgings and extrusions for the perfect balance of rigidity and flex. The industry-leading fully adjustable, the KYB® speed sensitive spring-type suspension is tested and tuned specifically for the needs of cross country racers.
  • GNCC®-Specific Features
    18-inch rear wheel, sealed O-ring chain, off-road focused tires and suspension settings, a standard side stand and fuel tank petcock with reserve position are perfect for GNCC racing.
  • Industry-Leading Suspension
    Yamaha’s renowned spring-type KYB® fork is matched with a long-travel shock, both fully adjustable and tuned for the demands of cross country racing.
  • Racing Style and Ergonomics
    The YZ125X carries the racing heritage of the YZ motocrosser with its aggressive styling from the front fender to the rear brake protector. Complete with an aluminum tapered handlebar, YZ-F-style foot pegs, gripper seat, and Dunlop® tires, the YZ125X is ready to race out of the crate.



Engine Type: 125cc liquid-cooled 2-stroke; reed-valve inducted

Bore x Stroke:  54.0 mm x 54.5 mm

Compression Ratio: 7.4~8.8:1

Fuel Delivery: Carburetor

Transmission: 6-speed; multiplate wet clutch

Final Drive: Chain


Suspension / Front: KYB® spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel

Suspension / Rear: KYB® single shock; fully adjustable, 12.4-in travel

Brakes / Front: Hydraulic disc, 270mm

Brakes / Rear:  Hydraulic disc, 245mm

Tires / Front: 90/90-21 Dunlop® AT81F

Tires / Rear: 110/90-18 Dunlop® AT81


L x W x H: 84.3 in x 32.5 in x 50.6 in

Seat Height: 37.6 in

Wheelbase: 57.3 in

Rake (Caster Angle): 26.8°

Trail: 4.6 in

Maximum Ground Clearance: 13.8 in

Fuel Capacity:  2.1 gal

Wet Weight***: 209 lb


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