Yamaha YZ65 - 2026 Specifications and Reviews

The 2026 Yamaha YZ65 is a lightweight 65cc liquid-cooled 2-stroke dirt bike designed for young riders and beginners transitioning to competitive off-road riding. Known for its responsive power delivery, nimble handling, and manageable seat height of 29.7 inches, it excels in motocross and trail riding while building fundamental skills.

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Engine and Transmission Specifications

Capacity65 cc
Final DriveChain
Gearbox6-speed; multiplate wet clutch
InductionHitachi Astemo® Keihin PWK28 carburetor
Compression Ratio8.1~9.6:1
Bore x Stroke43.5mm x 43.6mm
Engine Type65cc liquid-cooled 2-stroke; reed-valve inducted
 
 

Physical measures and capacities

Ground Clearance265 mm (10.4´´)
Overall Height1,000 mm (39.4´´)
Overall Width760 mm (29.9´´)
Overall Length1,615 mm (63.6´´)
Wet Weight134 lb
Wheelbase44.9 in
Seat Height29.7 in
Fuel Capacity0.9 gal

Yamaha YZ65 dimensions and frame

Trail2.5 in

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a youth-focused competition motocross bike built for developing riders, typically kids transitioning from an 85cc up through to a full-size bike, not adult beginners or general road riders.
PurposeIt exists purely for motocross track and off-road competition, designed to teach race craft, throttle control, and clutch/gear management on a 2-stroke.
Rider FitIts tiny 134 lb wet weight, low 29.7 in seat height, and compact dimensions are tailored to smaller, lighter junior riders rather than full-grown adults.
CharacterExpect a peaky, high-revving 2-stroke power delivery that rewards aggressive clutch work and precise shifting, paired with featherweight agility ideal for tight track sections and jumps.
Not Ideal ForThis bike is not suitable for adult commuting, highway travel, two-up riding, or any road use since it is an unregistered, off-road-only youth race machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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