- Features
- Specifications
Revised Shroud Design
Shrouds designed to accommodate a wider range of riders make it easier for riders to find a good fit on the bike.
6-Position Handlebar
A choice of six positions allows riders to tailor their riding position.
Increased Cooling Performance
The new shroud design more efficiently directs air to the radiator, contributing to cooling performance.
Slim Ergonomics
Minimalist bodywork, flat tank and slim, flat seat were designed to facilitate moving around on the bike.
Stronger Transmission
Complementing the increased power of the KX85-I engine is an all-new transmission – a change that also benefits the KX85-I.
Factory Inspired Styling
Like Kawasaki’s top motocross models, bold, functional looks reflect these models’ race-winning potential. The new shrouds contribute both to ergonomics and the aggressive styling. Factory-inspired touches like black alumite rims and green alumite suspension adjusters strengthen the KX family resemblance.
Multiple Size Options
Riders can choose from two available wheel sizes: the KX85-II feature 19” front and 16” rear wheels; the KX85-I is equipped with a 17” front and 14” rear.
Engine
| Engine type | Liquid-cooled, 2-stroke, single-cylinder |
|---|---|
| Compression ratio | 10.9:1 (low speed); 9.0:1 (high speed) |
| Valve system | Piston reed valve |
| Bore x stroke | 48.5 x 45.8 mm |
| Displacement | 84 cm³ |
| Fuel system | Carburettor |
| Lubrication | Forced lubrication, semi‑dry sump |
| Starting System | Primary kick |
| Ignition System | Digital |
Performance & Transmission
| Transmission | 6-speed, return shift |
|---|---|
| Clutch | Wet, multi disc |
| Primary Reduction Ratio | 3.400 (68/20) |
| Gear Ratios 1st | 2.538 (33/13) |
| Gear Ratios 2nd | 1.875 (30/16) |
| Gear Ratios 3rd | 1.500 (27/18) |
| Gear Ratios 4th | 1.250 (25/20) |
| Gear Ratios 5th | 1.090 (24/22) |
| Gear Ratios 6th | 0.956 (22/23) |
| Final drive | Chain |
| Final reduction ratio | 3.923 (51/13) |
Frame & Dimensions
| Frame type | Perimeter, high-tensile steel |
|---|---|
| Rake | 29.0 ° |
| Trail | 108 mm |
| Wheel travel front | 275 mm |
| Wheel travel rear | 275 mm |
| Tyre, front | 70/100-19 42M |
| Tyre, rear | 90/100-16 51M |
| L x W x H | 1,920 x 765 x 1,150 mm |
| Steering angle L/R | 45° / 45° |
| Wheelbase | 1,310 mm |
| Ground clearance | 330 mm |
| Fuel capacity | 5.0 liter |
| Seat height | 870 mm |
| Curb mass | 77 kg |
Brakes & Suspension
| Brakes, front | Single petal disc |
|---|---|
| Front Brake Diameter | Ø 220 mm |
| Front brake caliper type | Dual-piston |
| Brakes, rear | Single petal disc |
| Rear Brake Diameter | Ø 184 mm |
| Rear brake caliper type | Single-piston |
| Suspension, front | Inverted fork with 20-way compression damping |
| Front suspension diameter | Ø 36 mm |
| Suspension, rear | Bottom-link Uni-Trak with 24-way compression and 21-way rebound damping, and spring preload adjustability |
Accessories
Bud Racing Alloy Gear Change Lever
Forged alloy gear change lever with green tip. Stainless spring and pin allow the tip to spring back after an impact.
Front Fork Spring, K=2,84 N/mm
SPRING-FRONT FORK
Rear Shock Spring, K=45 N/mm
Adjust the ride height of your bike. (2 needed)
Steel Rear Sprocket, 50T
Original Kawasaki rear sprocket made of steel. Available in different sizes (number of teeth) to better adapt the gear ratio of your KX to the respective track layout.
Bud Racing Expansion Chamber
The Bud Racing Expansion Chamber will give better power and response at low end (low-mid RPM) and also a power improvement.
Main Jet for Carburettor, #145
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Main Jet for Carburettor, #150
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Needle-Jet, NRKC
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Pilot Jet for Carburettor, #35
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Gear Change Lever
Gear change lever
Rear Shock Spring, K=47 N/mm
Adjust the ride height of your bike. (2 needed)
Solid Rear Brake Disc
Solid break disc for muddy riding conditions.
Main Jet for Carburettor, #135
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Needle-Jet, NRJD
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Needle-Jet, NRJE
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Main Jet for Carburettor, #140
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Pilot Jet for Carburettor, #42
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Solid Front Brake Disc
Solid brake disc for muddy riding conditions.
Alloy Clutch Lever
High quality CNC machined alloy clutch lever. Designed not to break, but bend in case of impact. Lever can move forward and return by spring action. Adjustable position. Fits on standard KX clutch holder.
Needle-Jet, NRJB
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Steel Rear Sprocket, 53T
Original Kawasaki rear sprocket made of steel. Available in different sizes (number of teeth) to better adapt the gear ratio of your KX to the respective track layout.
Needle-Jet, NRKD
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Steel Rear Sprocket, 52T
Original Kawasaki rear sprocket made of steel. Available in different sizes (number of teeth) to better adapt the gear ratio of your KX to the respective track layout.
Bud Racing Carbon Ignition & Sprocket Cover
Ignition cover and front sprocket guard for KX85. Strong and lightweight construction with Bud Racing logo. Including chain guard.
Main Jet for Carburettor, #142
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Steel Rear Sprocket, 49T
Original Kawasaki rear sprocket made of steel. Available in different sizes (number of teeth) to better adapt the gear ratio of your KX to the respective track layout.
Main Jet for Carburettor, #138
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Needle-Jet, NRJC
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Pilot Jet for Carburettor, #38
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Steel Rear Sprocket, 51T
Original Kawasaki rear sprocket made of steel. Available in different sizes (number of teeth) to better adapt the gear ratio of your KX to the respective track layout.
Front Fork Spring, K=2,94 N/mm
SPRING-FRONT FORK
Front Fork Spring, K=2,65 N/mm
SPRING-FRONT FORK
Needle-Jet, NRKA
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Pilot Jet for Carburettor, #40
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Front Fork Spring, K=2,75 N/mm
SPRING-FRONT FORK
Needle-Jet, NRJA
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Bud Racing Carbon Exhaust
The Bud Racing carbon muffler is assembled with lightweight carbon body and end cap. Metal muffler parts are stainless. Made for better durability and an easier access for repacking without bolts.
Needle-Jet, NRKE
Lower top speed and increased low speed power resulting in better bike control for the learning rider.
Rear Shock Spring, K=49 N/mm
Adjust the ride height of your bike. (2 needed)
Rear Shock Spring, K=43 N/mm
Adjust the ride height of your bike. (2 needed)
Front Sprocket, 14T
Front Sprocket, 14T
Short Gear Change Lever
Shorter gear change lever.
Front Sprocket, 13T
Front Sprocket, 13T
Mechanics Carpet (Pit Mat), 100cm x 200cm
Whether you want to park your bike in a pitbox or in your garage, let your precious machine rest in style on this Kawasaki Garage Mat. The mat meets new FIM environmental codes and offers a high level of absorption and dust-control features.
- Size 100cm x 200cm
- Pile weight ± 300 gr/m²,
- Total height ± 5 mm,
- 30°C washable (no tumble-dry)
- Silencer End Cap (2-Stroke)
- Bud Racing Alloy Gear Change Lever
- Front Fork Spring, K=2,84 N/mm
- Rear Shock Spring, K=45 N/mm
- Steel Rear Sprocket, 50T
- Bud Racing Expansion Chamber
- Main Jet for Carburettor, #145
- Main Jet for Carburettor, #150
- Needle-Jet, NRKC
- Pilot Jet for Carburettor, #35
- Gear Change Lever
- Rear Shock Spring, K=47 N/mm
- Solid Rear Brake Disc
- Main Jet for Carburettor, #135
- Needle-Jet, NRJD
- Needle-Jet, NRJE
- Main Jet for Carburettor, #140
- Pilot Jet for Carburettor, #42
- Solid Front Brake Disc
- Alloy Clutch Lever
- Needle-Jet, NRJB
- Steel Rear Sprocket, 53T
- Needle-Jet, NRKD
- Steel Rear Sprocket, 52T
- Bud Racing Carbon Ignition & Sprocket Cover
- Main Jet for Carburettor, #142
- Steel Rear Sprocket, 49T
- Main Jet for Carburettor, #138
- Needle-Jet, NRJC
- Pilot Jet for Carburettor, #38
- Steel Rear Sprocket, 51T
- Front Fork Spring, K=2,94 N/mm
- Front Fork Spring, K=2,65 N/mm
- Needle-Jet, NRKA
- Pilot Jet for Carburettor, #40
- Front Fork Spring, K=2,75 N/mm
- Needle-Jet, NRJA
- Bud Racing Carbon Exhaust
- Needle-Jet, NRKE
- Rear Shock Spring, K=49 N/mm
- Rear Shock Spring, K=43 N/mm
- Front Sprocket, 14T
- Short Gear Change Lever
- Front Sprocket, 13T
- Mechanics Carpet (Pit Mat), 100cm x 200cm