Yamaha YZ85LW - 2024 Specifications and Reviews

The 2024 Yamaha YZ85LW is a lightweight 85cc two-stroke dirt bike engineered for young and smaller-framed riders transitioning to competitive off-road racing. Known for its responsive reed-valve engine, nimble handling, and liquid-cooled performance reliability, this machine excels in motocross and enduro competition. Its six-speed transmission and aggressive power delivery make it the preferred choice for junior-level racers seeking serious capabilities in a compact package.

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General information

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TypeEnduro / offroad
Year of manufacture2024
Motorcycle nameYamaha YZ85LW

Engine and Transmission Specifications

ClutchWet, multiple-disc coil spring
Transmission typeChain (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPremix
IgnitionCDI
Fuel systemCarburettor. Hitachi Astemo® Keihin PWK28 carburetor
Bore x stroke47.5 x 47.8 mm (1.9 x 1.9 inches)
Compression9.6:1
Engine detailsReed-valve inducted
Type of engineSingle cylinder, two-stroke
Capacity:85.0 ccm (5.19 cubic inches)

Brakes, suspension, Frame and wheels

WheelsDunlop® Geomax MX3S tires
Rear brakesSingle disc
Diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tire90/100-16
Front tire70/100-19
Rear wheel travel287 mm (11.3 inches)
Rear suspensionKYB Single shock; fully adjustable
Front wheel travel275 mm (10.8 inches)
Front suspensionKYB Inverted fork; fully adjustable
Trail10 mm (0.4 inches)
Rake (fork angle)26.0°
Frame typeSemi-double cradle
 
 

Physical measures and capacities

Fuel capacity5.00 litres (1.32 US gallons)
Wheelbase1285 mm (50.6 inches)
Ground clearance360 mm (14.2 inches)
Overall width760 mm (29.9 inches)
Overall length1895 mm (74.6 inches)
Overall height1175 mm (46.3 inches)
Seat height884 mm (34.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc75.0 kg (165.3 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsLarge Wheel (LW) model.
Factory warranty30 Day Limited Factory Warranty
StarterKick
Color optionsTeam Yamaha Blue

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering80%
Daily Riding5%
Touring3%
Passenger0%

Rider Profile

Best ForThis machine is built for developing riders, typically youth racers who have outgrown 65cc minis and are honing skills before stepping up to full-size motocross bikes.
PurposeIt is a dedicated amateur motocross competition bike designed for closed-course tracks, not a general-purpose or road-legal machine.
Rider FitIts low seat height, light wet weight, and compact dimensions suit smaller, lighter riders such as pre-teens and young teenagers rather than full-grown adults.
CharacterThe 2-stroke engine and lightweight chassis reward an aggressive, high-revving riding style with sharp, flickable handling on jumps and tight turns.
Not Ideal ForThis is not suitable for adult riders, street use, touring, commuting, or anyone seeking a comfortable, low-maintenance everyday vehicle.

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

Rider Reviews

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