Yamaha YZ125X 2027

Now available at Cycle Springs Powersports in Clearwater, FL: the 2027 Yamaha YZ125X—a lightweight cross-country 2-stroke motorcycle powered by a 125cc liquid-cooled reed-valve-inducted engine, built with enduro-tuned power delivery, KYB suspension, an 18' rear wheel, sealed O-ring chain, and Yamaha race-bred XC performance.

Key Highlights

• Engine & Performance: 125cc liquid-cooled 2-stroke engine with reed-valve induction for light, responsive off-road power
• Enduro Tuning: Optimized compression ratio, YPVS timing, and model-specific digital CDI help deliver broad, usable cross-country power
• Fuel Delivery: Hitachi Astemo Keihin PWK38S carburetor for crisp throttle response
• Transmission: 6-speed transmission with multiplate wet clutch and chain final drive
• Cross-Country Features: 18' rear wheel, enduro-focused suspension setup, larger rear sprocket, side stand, sealed O-ring chain, and reserve fuel petcock
• Chassis: Lightweight aluminum semi-double-cradle frame with removable aluminum rear subframe for competition-ready handling
• Suspension: Fully adjustable KYB Speed-Sensitive System inverted front fork and fully adjustable KYB rear shock
• Brakes: 270 mm front hydraulic disc and 240 mm rear hydraulic disc for strong off-road stopping control
• Wheels & Tires: Excel rims with Dunlop Geomax MX33 tires for race-ready traction across varied terrain
• Competition Design: Lightweight 212 lb wet weight, slim YZ bodywork, and XC-ready ergonomics for woods and enduro-style riding

Specifications

• Displacement: 125 cc
• Engine Type: Liquid-cooled 2-stroke; reed-valve inducted
• Bore x Stroke: 54.0 mm × 54.5 mm
• Compression Ratio: 7.8~10.2:1
• Fuel Delivery: Hitachi Astemo Keihin PWK38S
• Transmission: 6-speed; multiplate wet clutch
• Final Drive: Chain
• Fuel Capacity: 1.8 gal
• Overall (L × W × H): 84.8' × 32.5' × 50.8'
• Seat Height: 38.2'
• Wheelbase: 57.3'
• Ground Clearance: 14.0'
• Wet Weight: 212 lb
• Front Suspension: KYB Speed-Sensitive System inverted fork; fully adjustable; 11.8' travel
• Rear Suspension: KYB single shock; fully adjustable; 12.4' travel
• Front/Rear Brakes: 270 mm hydraulic disc / 240 mm hydraulic disc
• Front/Rear Tires: 80/100-21 Dunlop Geomax MX33F / 110/100-18 Dunlop Geomax MX33

With lightweight 125cc 2-stroke power, enduro-specific tuning, premium KYB suspension, and cross-country-ready equipment, the YZ125X is built for riders who want fast, agile Yamaha performance for woods, XC, and off-road competition. Contact Cycle Springs Powersports in Clearwater, FL for pricing and current availability.