Returning to the 2025 lineup is the Kawasaki KX450SR that offers a few high-value components over the standard KX450.

The bike features a modified cylinder head with polished intake ports, a Pro Circuit Ti-6 titanium exhaust system, updated ECU/DFI settings, a Kawasaki racing Hinson clutch cover, Kashima-coating front and rear suspension, Xtrig Rocs-Tech triple clamp with Progressive Handlebar Damping System (PHDS), Renthal rear sprocket and D.I.D gold chain, D.I.D Dirtstar ST-X black rims, metallic-magnesium-gold-colored cylinder-head cover and factory race-team graphics. MSRP is listed at $13,599CN



2025 Kawasaki KX450SR Key Features:
- Factory race team-inspired colors and graphics
- 449cc 4-stroke, DOHC, DFI, liquid-cooled engine
- Modified cylinder head with polished intake ports
- Pro Circuit Ti-6 titanium exhaust system
- Optimized ECU/DFI settings
- Kawasaki racing by Hinson clutch cover
- 49mm Showa Coil-Spring fork with Kashima Ti02 coating and model-specific settings
- Showa rear shock with Kashima coating and model-specific settings
- XTRIG Rocs-Tech triple clamp with PHDS (Progressive Handlebar Damping System)
- Renthal rear sprocket and D.I.D gold chain
- D.I.D Dirtstar ST-X black rims
- Metallic magnesium gold color cylinder head cover






2025 Kawasaki KX450SR Specifications
| Engine Type | 4-Stroke, Liquid Cooled, DOHC, 4-Valve, Single Cylinder |
| Displacement | 449cc |
| Bore & Stroke | 96.0 x 62.1mm |
| Compression Ratio | 12.5:1 |
| Fuel System | DFI® w/ Keihin 44mm Throttle Body |
| Ignition | Digital DC-CDI |
| Transmission | 5-Speed |
| Rake/Trail | 27.1˚/4.7 in. |
| Front Wheel Travel | 12.0 in. |
| Rear Wheel Travel | 12.1 in. |
| Front Tire Size | 80/100-21 |
| Rear Tire Size | 120/80-19 |
| Front Suspension | 49mm Inverted Coil-Spring Fork with adjustable compression and rebound damping |
| Rear Suspension | NEW Uni-Trak® with Adjustable Preload, Low and High Speed Compression Damping Adjustment, Adjustable Rebound Damping |
| Wheelbase | 58.5 in. |
| Front Brake | 270mm Disc |
| Rear Brake | 250mm Disc |
| Fuel Tank Capacity | 1.64 gal. |
| Ground Clearance | 13.4 in. |
| Seat Height | 37.6 in. |
| Weight Without Fuel | 238.4 lb. |
| Curb Weight (claimed) | 248.3 lb. |

Click here for the latest Cycle News Motocross bike reviews and news.
Click here for more Kawasaki motorcycle reviews and news.
Click here to see the new 2025 Kawasaki KX450SR in the Cycle News Digital Edition Magazine.
