Name: 2027 Yamaha YZ85
SKU: 1135
Availability: InStock

Built for fun. Built to win. The renowned YZ85 serves up big-bike specs in a small-bike package. Featuring the Yamaha Power Valve System (YPVS), fully-adjustable suspension, six-speed transmission and adjustable ergonomics, the YZ85 is ready to win races straight off the dealership floor.

Key Features

Powerful-feeling 65 cc liquid cooled, single-cylinder 2-stroke engine with Yamaha Power Valve System (YPVS)
Crankcase reed valve
6-speed transmission with optimized gear ratios
Semi-double-cradle steel frame, aluminum subframe
36 mm inverted fork with 12 levels of compression and 10 levels of rebound damping for solid front-end feedback
Monocross rear suspension with 10 levels of adjustment for both rebound and compression damping
Aluminum swingarm
Aluminum tapered handlebar with four positions of adjustability
14-inch front and 12-inch rear wheel
Styling based on high-end YZ models

ENGINE

Powerful-feeling 65 cc single-cylinder, liquid-cooled, 2-stroke engine with crankcase reed valve.
- Overall design creates excellent ride character and performance
Yamaha Power Valve System (YPVS).
- Mechanical power valve system delivers effective exhaust timing throughout the entire rev range
- Provides excellent power and torque characteristics
- Delivers responsive acceleration just as the rider intends
- Slit-shaped valve on the side of the exhaust port operates in response to engine rpm
- In low-to-mid-rpm range when exhaust timing is slower, valve moves to cover the top part of the exhaust port
- In high rpm range when quick exhaust timing is needed, valve recedes and exhaust port is fully uncovered
- Valve control governor from YZ125 and YZ250 employed
2-petal reed valve.
Optimized crankshaft balance and lightweight connecting rod.
- Resin weight in crank web creates high primary compression ratio and optimal inertial mass
- Delivers instant power delivery and reduced vibration
Specialized intake manifold and exhaust pipe.
- Optimal intake and exhaust layout complies with racing regulations
- Short exhaust produces rippling sound unique to a 2-stroke
- Expansion chamber designed for plenty of volume
- Design pays special attention to pulses that occur during combustion flow to contribute to explosive but easy-to-use power
- Exhaust complies with FIM/AMA regulations
- Optimized ignition output produces a stronger, more consistent spark throughout the entire rpm range
Model-specific CDI unit.
- Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for excellent response
Short-type spark plug.
- Short design offers better service ability and performance
6-speed transmission with optimized gear ratios.
- Ideal number of clutch plates and spring load gives clutch lever a light pull
- Gear ratios fine-tuned for performance
Fine-tuned air cleaner box.
Keihin PWK28 carburetor with revised settings (compared to YZ85).
Downsized radiator (compared to YZ85). * Drive chain with new dimensions (compared to YZ85).
- Gold colour contributes to bike’s serious racing aesthetic

CHASSIS/SUSPENSION

- Semi-double-cradle steel frame and aluminum subframe.
  - Dimensions, rigidity balance and synergy with suspension equals handling that feels light and stable, and willing to lean over in turns
  - Lightweight, bolt-on aluminum subframe contributes to mass-centralization
- Inverted 36 mm KYB front fork with 215 mm (8.5 in) of wheel travel.
  - Design combines handling with a light, stable feel and a solid connection to the ground
  - 36 mm inner tubes ensure planted feeling when entering corners and excellent shock absorption when going over bumps
  - Outer tubes made of aluminum alloy for excellent rigidity and front-end feel
  - Adjustable compression (12 levels) and rebound (10 levels) damping to fine-tune handling and performance on the track
  - Aluminum steering stem developed for rigidity balance
- KYB link-less Monocross rear suspension with 270 mm (10.6 in) of wheel travel.
  - Design provides smooth damping feel and doesn’t bottom out when absorbing shocks
  - Shock absorber has 10 levels of adjustment for both rebound and compression damping to fine-tune handling and performance
- Aluminum swingarm.
  - Rigidity balance is tuned for YZ65’s frame, delivering light handling feel and easy lean-in characteristics
  - Swingarm end designed with ease of maintenance in mind
  - Resin chain guard designed not to get caught up in ruts that the small wheel will travel through
- Tapered aluminum handlebar with 4-position adjustability.
  - Handlebar adjusts 27 mm to match a child’s growth
  - Handlebar crown made of cast aluminum for light weight and strength
- Seat designed for comfort and easy maintenance.
  - Seat design facilitates body weight transfer for enhanced on-track performance and rider confidence
  - Single bolt under the seat cushioning makes seat removal easier
- Bodywork based on high-end YZ models.
  - Body panels have a soft, gentle look
  - Styling follows the YZ design language of horizontal lines
  - Colours and graphics similar to the flagship YZ450F
- Wave-style disc brakes.
  - Sporty wave-style rotors are lighter than conventional rotors and offer improved self-cleaning action in dirty conditions
- 14-inch (front) and 12-inch (rear) blue Excel rims with Maxxis SI tires.
  - Maxxis SI tires offer good grip across a variety of track conditions
  - Blue Excel rims offer high quality and race-minded looks