2025 KX85 I
Model Overview
KX - The bike that builds Champions
From their first ride to lifting the trophy, legends choose KX
Total:
£4,349.00
Model Specification
Specifications
| Engine type | Liquid-cooled, 2-stroke Single with KIPS |
|---|---|
| Displacement | 84 cm |
| Bore x stroke | 48.5 x 45.8 mm |
| Compression ratio | 10.9:1 (low speed); 9.0:1 (high speed) |
| Valve/Induction system | Piston Reed valve |
| Fuel system | Carburettor: Keihin PWK 28 |
| Ignition | Digital CDI |
| Starting | Primary kick |
| Lubrication | Petrol Mix |
| Transmission | 6-speed |
|---|---|
| Clutch | Wet Multi Disc |
| Final Drive | Chain |
| 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) |
| Final reduction ratio | 3.571 (50/14) |
| Frame type | Perimeter, high-tensile steel |
|---|---|
| Rake/Trail | 97 mm |
| Wheel travel - front | 275 mm |
| Wheel travel - rear | 275 mm |
| Tyre - front | 70/100-17 40M |
| Tyre - rear | 90/100-14 49M |
| Steering angle - left / right | 45 / 45 |
| Suspension - front | 36 mm inverted telescopic fork with 20-way compression damping |
|---|---|
| Suspension - rear | Bottom-Link Uni-Trak with adjustable preload, 24-way compression and 21-way rebound damping |
| Brakes - front | Single 220 mm disc. Caliper: Dual-piston |
|---|---|
| Brakes - rear | Single 184 mm disc. Caliper: Single-piston |
| Dimensions (L x W x H) | 1,830 mm x 765 mm x 1,100 mm |
|---|---|
| Wheelbase | 1,265 mm |
| Seat height | 830 mm |
| Fuel capacity | 5 Litres |
| Curb Mass | 75 kg |
| Ground Clearance | 290 mm |
Top Features
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.
Slim ergonomics
All-new minimalist bodywork, flatter tank and slimmer, flatter seat were designed to make it easier for racers to go fast.
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.
Stronger Transmission
Complementing the increased power of the KX85-I engine is an all-new transmission – a change that also benefits the KX85-II
Factory styling
All-new bodywork and racy graphics ensure the new bikes will look good in the winners’ circle. Black alumite1 rims, black fork guards, and blue alumite1 finish on the suspension adjusters further strengthen their factory image.
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
