| Category | Specification |
|---|---|
| Engine Type | 84 cc liquid-cooled, 2-stroke single-cylinder |
| Displacement | 84 cm³ |
| Bore × Stroke | 48.5 × 45.8 mm |
| Compression Ratio | 10.9 : 1 (low speed); 9.0 : 1 (high speed) |
| Fuel System | Keihin PWK28 carburettor |
| Starting System | Primary kick-start |
| Ignition | Digital CDI |
| Transmission | 6-speed return shift, wet multi-disc clutch |
| Frame | Perimeter high-tensile steel |
| Front Suspension | 36 mm inverted fork, 275 mm travel |
| Rear Suspension | Uni-Trak single shock, 275 mm travel, adjustable damping |
| Front Brake | 220 mm petal disc, dual-piston caliper |
| Rear Brake | 184 mm petal disc, single-piston caliper |
| Front Tyre | 70/100‑17 (spoke, tube-type) |
| Rear Tyre | 90/100‑14 (spoke, tube-type) |
| Wheelbase | 1,260 mm |
| Ground Clearance | 290 mm |
| Seat Height | 830 mm |
| Curb Weight | 74.6 kg |
| Fuel Capacity | 5.0 L |
| Rake / Trail | 29° / 97 mm |
The 2025 Kawasaki KX85 is a competition-grade youth motocross machine powered by an 84 cc liquid-cooled 2-stroke engine with a Keihin PWK28 carburettor and kick-start. Its six-speed gearbox and lightweight steel perimeter frame facilitate agile handling. Suspension setup is robust—with a 36 mm inverted front fork and Uni-Trak rear shock offering 275 mm travel—while braking is managed by petal discs front (220 mm) and rear (184 mm). At 74.6 kg curb weight, it delivers razor-sharp control. With a 5 L tank and performance-tuned ergonomics, it’s built for competition. Enthusiasts praise its power-on-demand, agility, and high-quality premium components.