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YZ85

The renowned Yamaha YZ85 features a high performance 85cc liquid-cooled 2-stroke engine equipped with the race-bred Yamaha Power Valve System (YPVS) for holeshot-winning acceleration. 

There's also a lightweight frame and aluminium swingarm, adjustable suspension, large diameter disc brakes and a high-efficiency air intake—just like the bigger YZ125.

For maximum rider control, a flat seat, slim body, and an ergonomic fuel tank add to the package. And with the Team Yamaha Blue colour and new graphics completing the looks, the YZ85 is ready to power you to the next level.

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Features

YPVS 2-stroke engine
YPVS 2-stroke engine

The 85cc liquid cooled engine features the Yamaha Power Valve System (YPVS) that boosts overall performance and contributes towards the bike’s easy to use torque. Running with a high compression ratio – and equipped with a close ratio 6-speed transmission – the YZ85 delivers outstanding acceleration with race winning power.

Lightweight chassis design
Lightweight chassis design

Built for demanding junior racers, the YZ85's chassis is optimised for strength, rigidity and overall handling stability. The aluminium swingarm offers refined balance between longitudinal and torsional rigidity, and the removable rear subframe constructed from lightweight, high-strength aluminium reduces weight.

Fully adjustable front forks
Fully adjustable front forks

The lightweight 36mm KYB® inverted cartridge fork features 275mm of travel with compression and rebound damping adjustability. Complete with low-friction outer tubes and internals, the damping settings offer enhanced performance across a range of conditions and rider abilities.

Adjustable rider ergonomics
Adjustable rider ergonomics

The four-position adjustable handlebar mounts and taper-style handlebar allow the rider to tune the handlebar position to suit their size and preferences. Flat seat and narrow fuel tank design, along with smoothly integrated body panels and slim shroud width, combine to enable greater freedom of movement for increased control and confidence.

Advanced Intake Design
Advanced Intake Design

Advanced intake design allows for a straighter, more efficient draw of air into the intake tract. High-flow airbox ensures excellent air filter performance and easy maintenance.

Wave-style Brake Discs
Wave-style Brake Discs

Big wave-style brake discs offer improved self-cleaning and cooler-running performance. The 220mm front disc and 190mm rear disc deliver strong, precise stopping power. Rear brake master cylinder also includes built-in sub-reservoir to provide more linear brake response and increased control.

Technical Specifications

YZ85
Engine Type
Liquid-cooled, 2-stroke with YPVS
Displacement (cc)
85
Bore x Stroke (mm)
47.5 x 47.8
Compression Ratio
8.1-9.6 : 1
Lubrication System
Premix
Fuel Management
PWK28
Ignition
CDI
Starter System
Kick
Fuel Tank Capacity (L)
5
Final Transmission
Chain
Transmission
Constant mesh 6-speed
Length (mm)
1820
Width (mm)
760
Height (mm)
1135
Seat Height (mm)
840
Wheelbase (mm)
1255
Ground Clearance (mm)
320
Wet Weight (kg)
73
Frame Type
Semi double cradle
Suspension Front
Telescopic forks, 275mm travel
Suspension Rear
Swingarm (link suspension), 282mm travel
Brakes Front
Hydraulic single disc, 220mm
Brakes Rear
Hydraulic single disc, 190mm
Tyres Front
70/100-17 Dunlop Geomax MX3SF
Tyres Rear
90/100-14 Dunlop Geomax MX3S
showroom_folder				yz85
showroom_brand				yamaha
showroom_brand_wufoo		yamaha
showroom_gallery_count		
showroom_technology_data	
showroom_engine_data		Engine Type|Liquid-cooled, 2-stroke with YPVS;Displacement (cc)|85;Bore x Stroke (mm)|47.5 x 47.8;Compression Ratio|8.1-9.6 : 1;Lubrication System|Premix;Fuel Management|PWK28;Ignition|CDI;Starter System|Kick;Fuel Tank Capacity (L)|5;Final Transmission|Chain;Transmission|Constant mesh 6-speed
showroom_chassis_data		Frame Type|Semi double cradle;Suspension Front|Telescopic forks, 275mm travel;Suspension Rear|Swingarm (link suspension), 282mm travel;Brakes Front|Hydraulic single disc, 220mm;Brakes Rear|Hydraulic single disc, 190mm;Tyres Front|70/100-17 Dunlop Geomax MX3SF;Tyres Rear|90/100-14 Dunlop Geomax MX3S
showroom_dimensions_data	Length (mm)|1820;Width (mm)|760;Height (mm)|1135;Seat Height (mm)|840;Wheelbase (mm)|1255;Ground Clearance (mm)|320;Wet Weight (kg)|73 

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content_ref					
content_description1		

The renowned Yamaha YZ85 features a high performance 85cc liquid-cooled 2-stroke engine equipped with the race-bred Yamaha Power Valve System (YPVS) for holeshot-winning acceleration. 

There's also a lightweight frame and aluminium swingarm, adjustable suspension, large diameter disc brakes and a high-efficiency air intake—just like the bigger YZ125.

For maximum rider control, a flat seat, slim body, and an ergonomic fuel tank add to the package. And with the Team Yamaha Blue colour and new graphics completing the looks, the YZ85 is ready to power you to the next level.

content_description2

Engine Type|Liquid-cooled, 2-stroke with YPVS;Displacement (cc)|85;Bore x Stroke (mm)|47.5 x 47.8;Compression Ratio|8.1-9.6 : 1;Lubrication System|Premix;Fuel Management|PWK28;Ignition|CDI;Starter System|Kick;Fuel Tank Capacity (L)|5;Final Transmission|Chain;Transmission|Constant mesh 6-speed#####Frame Type|Semi double cradle;Suspension Front|Telescopic forks, 275mm travel;Suspension Rear|Swingarm (link suspension), 282mm travel;Brakes Front|Hydraulic single disc, 220mm;Brakes Rear|Hydraulic single disc, 190mm;Tyres Front|70/100-17 Dunlop Geomax MX3SF;Tyres Rear|90/100-14 Dunlop Geomax MX3S#####Length (mm)|1820;Width (mm)|760;Height (mm)|1135;Seat Height (mm)|840;Wheelbase (mm)|1255;Ground Clearance (mm)|320;Wet Weight (kg)|73

content_description3 content_allow_reviews n content_author content_external_ref1 content_external_ref2 content_external_ref3 showroom-Yamaha-YZ85 content_compatibility_code n content_external_src content_fullpath Yamaha YZ85 content_level 2 content_id 3050 content_module content_name YZ85 content_short_description1 content_short_description2 content_short_description3 content_type_code showroom content_type_id 15 content_type_name Showroom date_posted 0000-00-00 00:00:00 date_updated 2026-05-06 15:22:07 page_editor page_header YZ85 page_id 3050 page_index page_subheader parent_content_id 3033 parent_id 3033 rating 0 reviews 0 sortorder 0 subtitle templatebody showroom_model templatefoot templatehead templatesearch thumb_content_type_id 0 timestamp 2026-05-06 15:22:07