2018 Yamaha YZ85 Review

2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85
2018 Yamaha YZ85



Light, nimble and packed with race‑winning DNA.

The YZ85 is ready to race right out of the crate with features like a super potent 85cc, crankcase reed-valve 2-stroke power plant, a rigid single backbone frame and adjustable suspension. Join the “bLU cRU” and get ready to fill your trophy case.

Lightweight, compact, 85cc, liquid-cooled, crankcase reed-valve inducted, 2-stroke single.

Rigid, semi-double cradle, single backbone, steel frame is lightweight and incredibly strong providing minimal flex for razor-sharp moto-wining handling.


2018 Yamaha YZ85 Totalmotorcycle.com Key Features

  • Potent, easy to service, crankcase reed inducted, 2-stroke power plant
  • Smooth shifting, 6-speed close ratio transmission
  • Compact, semi-double cradle, single back bone, steel frame
  • Race-ready, fully adjustable suspension.
  • Front & rear disc brakes
  • Aggressive, modern styling
  • Sealed tapered steering head bearings for extra durability
  • Serrated rear brake pedal & folding shift lever tip
  • Wide, cast-alloy serrated footpegs offer good grip
  • Stainless steel inner clutch cable for longer life & smooth operation
  • Rubber boots on clutch & brake levers to reduce dirt, mud & water entry for durability
  • Convenient lifting holes in side cover
  • Rugged chain guide helps prevent chain from de-railing & also protects rear sprocket.
  • YZ85 large wheel kit (19″/17″) is available through Yamaha Genuine Parts & Accessories.
  • E10 friendly fuel system components
  • Modern Styling
    Aggressive, modern styling includes the front fender, number plate, radiator shroud and side number plates.
  • Adjustable Controls
    Clutch lever reach adjuster to accommodate smaller hands for younger riders.
  • Compact Two-Stroke Powerplant
    Liquid-cooled, 85cc crankcase reed-valve-inducted six-speed is light, compact and designed to deliver hard-hitting, moto-winning power throughout the rpm range.
  • Close-Ratio Transmission
    Smooth-shifting, six-speed close-ratio transmission with heavy duty multiplate clutch delivers maximum hookup for outstanding acceleration and corner-exiting power.
  • Strong, Compact Frame
    Ultra-rigid, single-backbone, semi-double-cradle frame is lightweight and strong for sharp handling.
  • Race-Ready Suspension
    Fully adjustable suspension allows a broad adjustment range to suit everybody from rank novice to mini expert.



2018 Yamaha YZ85 Totalmotorcycle.com Features and Benefits


  • Lightweight, compact, 85cc, liquid-cooled, crankcase reed-valve inducted, 2-stroke single.
  • Crankcase reed valve induction & 28mm Keihin flat-slide carburetor.
    • crisp, seamless throttle response across the powerband
  • Lightweight, forged piston.
    • less reciprocating mass & less friction for a faster revving engine
    • excellent durability
  • CD ignition system.
    • provides a hot, precise spark for fast sure starts
    • provides optimal timing for quicker, stronger response at all rpms
    • maintenance-free
  • Smooth-shifting, 6-speed transmission.
    • involute design increases the surface area contact between the gears
    • special involute splines on main and drive shafts provide maximum engagement / hook-up for each gear for smoother, more positive shifts
    • gear ratios are well matched to engine output
  • Heavy-duty, multi-plate clutch.
    • smooth positive shifting
  • Quick remove, clutch sub-cover.
    • fast, easy clutch access
  • Lightweight radiator with high capacity cores & special louvers to direct the air through the rad.
    • maximum cooling efficiency
  • Large capacity airbox with washable, dual-stage, foam filter.
    • excellent filtering qualities
    • reduced tune-up expenses… foam filter can be washed & re-used

  • Lightweight exhaust system.
    • specially designed expansion chamber for a broad powerband with strong low-end punch
    • aluminium silencer is re-packable to maintain optimum performance & reduced noise levels


  • Rigid, semi-double cradle, single backbone, steel frame.
    • blend of light weight & good strength
    • minimal flex for razor-sharp, moto-wining handling
  • Detachable rear subframe.
    • allows easy access for suspension maintenance
    • reduces costs in the event of a loop-out (subframe can be purchased separately)
  • Lightweight box-section aluminium swingarm.
    • provides excellent for excellent rear wheel control &traction
  • Adjustable 36mm inverted Kayaba fork provides 275mm (10.8″) of wheel travel.
    • adjusts for compression & rebound damping. Adjustments include: 20 clicks of compression damping & 20 clicks of rebound damping
    • adjustable design allows rider (tuner) to tailor settings to match rider weight, rider style & track conditions
    • YZ125 / 250 based “big bike” valving & low-friction fork seals
    • smooth, compliant stroke for superior suspension performance & handling
    • optional fork springs are available through Yamaha Genuine Parts & Accessories
  • Fully adjustable Monocross link rear suspension provides 282mm (11.1″) of wheel travel.
    • Kayaba piggyback shock reduces shock temperatures during a long moto for fade resistant damping & consistent performance.
    • adjustments include “threaded” spring preload, 15 clicks of compression & 20 clicks of rebound damping
    • optional shock springs are available through Yamaha Genuine Parts & Accessories
  • 220mm front stainless steel disc with twin piston caliper
    • delivers strong stopping power with excellent control and great feedback.
  • “Shorty style” adjustable front brake lever.
    • adjusts to fit various hand sizes
  • Clutch lever holder allows for clutch lever reach adjustment.
    • adjusts to fit various hand sizes.
  • 190mm stainless steel rear disc brake squeezed by a single piston caliper.
    • Excellent stopping power
    • caliper is protected by a rugged plastic protector
  • Lightweight, 17″ front & 14″ rear DID rims
    • excellent durability
    • reduces unsprung weight for optimal suspension performance
  • Modern, aggressive, slim line bodywork.
    • slim body design for excellent freedom of movement & rider mobility
    • seat features a pebble finish seat cover for grip




2018 Yamaha YZ85 – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $4,299 USD

Engine Type 85cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke 47.5mm x 47.8mm
Compression Ratio 8.1:1
Fuel Delivery Keihin® PWK 28
Ignition CDI
Transmission Constant-mesh 6-speed; multiplate wet clutch
Final Drive Chain
Suspension / Front Inverted fork; fully adjustable, 10.8-in travel
Suspension / Rear Single shock; fully adjustable, 11.1-in travel
Brakes / Front Hydraulic single disc, 220mm
Brakes / Rear Hydraulic single disc, 190mm
Tires / Front 70/100-17 Dunlop
Tires / Rear 90/100-14 Dunlop
L x W x H 71.7 in x 29.9 in x 44.3 in
Seat Height 33.1 in
Wheelbase 49.5 in
Rake (Caster Angle) 26.2°
Trail 3.5 in
Maximum Ground
13.0 in
Fuel Capacity 1.3 gal
Wet Weight*** 157 lb
Warranty 30 Day (Limited Factory Warranty)
Color Team Yamaha Blue





2018 Yamaha YZ85 – Totalmotorcycle.com Canadian Specifications/Technical Details
Canada MSRP Price: $5,349 CDN



2-stroke, liquid-cooled, crankcase reed-valve, single



Bore and Stroke

47.5 x 47.8 mm

Compression Ratio


Fuel Delivery

Keihin PWK28

Ignition / Starting

CDI / Kick



Final Drive



Suspension (Front)

Adjustable 36 mm inverted fork / 275 mm (10.8″) wheel travel

Suspension (Rear)

Fully adjustable link Monocross / 282 mm (11.1″) wheel travel

Brakes (Front)

220 mm disc / twin piston caliper

Brakes (Rear)

190 mm disc / single piston caliper

Tires (Front)


Tires (Rear)




1,820 mm (71.7″)


760 mm (29.9″)


1,125 mm (44.3″)


1,255 mm (49.4″)

Ground Clearance

330 mm (13″)

Seat Height

840 mm (33.1″)

Fuel Capacity

5 litres (1.1 imp. gallons)

Wet Weight

71 kg (157 lb)


Yamaha Racing Blue




2018 Yamaha YZ85 – Totalmotorcycle.com European Specifications/Technical Details
Europe/UK MSRP Price: £ GBP (On The Road inc 20% Vat)



Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).

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"Mr. Totalmotorcycle". Owner and Founder of Total Motorcycle. Supporting over Motorcyclists and Motorcycling for 21 great years. Total Motorcycle is my pride and joy and being able to reach out 330 million people has been incredible but I could not have done it without the support of my visitors, readers and members, thank you so much! You are making a difference to millions of riders worldwide. Thank you.

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