Loading... Please wait... 
Categories
Categories
Brands
Brands
2025 Kawasaki KX450
2025 Kawasaki KX450
Product Description
2025 Kawasaki KX450
The 2025 Kawasaki KX450 features a series of updates aimed at improving performance and handling. The 2025 KX450 comes with improved electronics, including a revised ECU mapping for smoother power transitions and enhanced rideability.
Fork Spring Rate Recommendations
- The 2025 Kawasaki KX450 stock fork spring rate is 5.0N (0.51kg/mm) with a spring length of 475mm
- The Showa 49mm twin chamber spring fork is the same as 2024
- Tap the image below to purchase fork springs for the 2025 Kawasaki KX450:
| Motocross 120lbs-135lbs 4.7N 135lbs-155lbs 4.8N 155lbs-170lbs 4.9N 170lbs-185lbs 5.0N (Stock) 185lbs-200lbs 5.1N 200lbs-215lbs 5.2N 215lbs-230lbs 5.3N 230lbs-245lbs 5.4N 245lbs-275lbs 5.4N |
Soft Moto / Open Desert 120lbs-135lbs 4.6N 135lbs-155lbs 4.7N 155lbs-170lbs 4.8N 170lbs-185lbs 4.9N 185lbs-200lbs 5.0N (Stock) 200lbs-215lbs 5.1N 215lbs-230lbs 5.2N 230lbs-245lbs 5.3N 245lbs-275lbs 5.3N |
| Flowy Single Track (Fast & Slow) 120lbs-135lbs 4.5N 135lbs-155lbs 4.6N 155lbs-170lbs 4.7N 170lbs-185lbs 4.8N 185lbs-200lbs 4.9N 200lbs-215lbs 5.0N (Stock) 215lbs-230lbs 5.1N 230lbs-245lbs 5.2N 245lbs-275lbs 5.3N |
Technical Single Track & Hard Enduro 120lbs-135lbs 4.4N 135lbs-155lbs 4.5N 155lbs-170lbs 4.6N 170lbs-185lbs 4.7N 185lbs-200lbs 4.8N 200lbs-215lbs 4.9N 215lbs-230lbs 5.0N (Stock) 230lbs-245lbs 5.1N 245lbs-275lbs 5.2N |
Weight references person in regular everyday casual cloths.
This chart accounts for the common additional weight of riding gear
This info relates to stock valving and modified valving
Shock Spring Rate Recommendations
- The 2025 Kawasaki KX450 stock shock spring rate is 54N (5.5kg/mm) with a spring length of 245mm
- The Showa Uni-Trak® shock features a 16mm shock shaft with 50mm main piston.
- The Kawasaki KX250 and Kawasaki KX450 share the same shock for 2025.
- Tap the image below to purchase a shock spring for the 2025 Kawasaki KX450:
| Motocross 120lbs-135lbs 51N 135lbs-155lbs 52N 155lbs-170lbs 54N (Stock) 170lbs-185lbs 56N 185lbs-200lbs 57N 200lbs-215lbs 58N 215lbs-230lbs 60N 230lbs-245lbs 62N 245lbs-275lbs 63N |
Soft Moto / Open Desert 120lbs-135lbs 51N 135lbs-155lbs 52N 155lbs-170lbs 54N (Stock) 170lbs-185lbs 56N 185lbs-200lbs 57N 200lbs-215lbs 58N 215lbs-230lbs 60N 230lbs-245lbs 62N 245lbs-275lbs 63N |
| Flowy Single Track (Fast & Slow) 120lbs-135lbs 50N 135lbs-155lbs 51N 155lbs-170lbs 52N 170lbs-185lbs 54N (Stock) 185lbs-200lbs 56N 200lbs-215lbs 57N 215lbs-230lbs 58N 230lbs-245lbs 60N 245lbs-275lbs 62N |
Technical Single Track & Hard Enduro 120lbs-135lbs 50N 135lbs-155lbs 51N 155lbs-170lbs 52N 170lbs-185lbs 54N (Stock) 185lbs-200lbs 56N 200lbs-215lbs 57N 215lbs-230lbs 58N 230lbs-245lbs 60N 245lbs-275lbs 62N |
Weight references person in regular everyday casual cloths.
This chart accounts for the common additional weight of riding gear
This info relates to stock valving and modified valving
