Yamaha YZ85LW - 2023 Specifications and Reviews

The 2023 Yamaha YZ85LW is a lightweight enduro machine designed for younger and smaller-framed riders seeking an accessible entry into off-road competition. Powered by a nimble 85cc two-stroke engine with liquid cooling and a six-speed transmission, it delivers responsive power delivery and excellent maneuverability on varied terrain. Known for its reliability and forgiving nature, the YZ85LW remains a popular choice for developing young riders transitioning toward larger competition bikes.

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General information

CategoryEnduro / offroad
Year2023
ModelYamaha 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
Engine typeSingle 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 Fit Visualizer

2023 Yamaha YZ85LW Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 884mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2023 Yamaha YZ85LW, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Yamaha YZ85LW is a powerful and nimble motocross bike that is perfect for riders looking to take their skills to the next level. With its lightweight design and responsive handling, this bike offers impressive agility and control on the track. The YZ85LW features a high-performance engine and smooth-shifting transmission, providing riders with the power and precision they need to tackle tight corners and tricky obstacles. Its durable construction and reliable components make it a standout choice for competitive riders and weekend warriors alike. The 2023 Yamaha YZ85LW delivers an exhilarating motocross experience, thanks to its exceptional performance and maneuverability. Riders can confidently push their limits and navigate challenging terrain with the YZ85LW's responsive handling and powerful engine. Whether you're a seasoned racer or a budding enthusiast, this bike is a top contender in its class, offering a winning combination of speed, agility, and durability. With its advanced features and Yamaha's reputation for quality, the YZ85LW is a top pick for anyone looking for a high-performing motocross bike.
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