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2025 Yamaha YZ450F
2025 Yamaha YZ450F
Product Description
2025 Yamaha YZ450F
Fork Spring Rate Recommendations
- The 2025 Yamaha YZ450F stock fork spring rate is 5.0N (0.51kg/mm) with a spring length of 498mm.
- The KYB SSS spring fork remains on the YZ450F since 2006.
- The 2025 Yamaha YZ450F KYB SSS Spring fork features updated stock settings compared to the 2024 Yamaha YZ450F KYB fork.
- Tap the image below to purchase fork springs for 2025 Yamaha YZ450F:
| 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 4.6N 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 |
Technical Single Track & Hard Enduro 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 5.2N |
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 Yamaha YZ450F stock shock spring rate is 56N (5.7kg/mm) with a spring length of 275mm
- The KYB 16mm shock shaft with 50mm main piston remains on the YZ450F.
- New linkage and linkage ratio for 2025
- For 2025 the Yamaha YZF shock features new settings compared to the 2024 Yamaha YZ450F.
- Tap the image below to purchase shock springs for 2025 Yamaha YZ450F:
| Motocross 120lbs-135lbs 51N 135lbs-155lbs 52N 155lbs-170lbs 54N 170lbs-185lbs 56N (Stock) 185lbs-200lbs 57N 200lbs-215lbs 58N 215lbs-230lbs 60N 230lbs-245lbs 62N 245lbs-275lbs 63N or 64N |
Soft Moto / Open Desert 120lbs-135lbs 51N 135lbs-155lbs 52N 155lbs-170lbs 54N 170lbs-185lbs 56N (Stock) 185lbs-200lbs 57N 200lbs-215lbs 58N 215lbs-230lbs 60N 230lbs-245lbs 62N 245lbs-275lbs 63N or 64N |
| Flowy Single Track (Fast & Slow) 120lbs-135lbs 50N 135lbs-155lbs 52N 155lbs-170lbs 54N 170lbs-185lbs 56N (Stock) 185lbs-200lbs 56N (Stock) 200lbs-215lbs 57N 215lbs-230lbs 58N 230lbs-245lbs 60N 245lbs-275lbs 61N or 62N |
Technical Single Track & Hard Enduro 120lbs-135lbs 50N 135lbs-155lbs 52N 155lbs-170lbs 54N 170lbs-185lbs 54N 185lbs-200lbs 56N (Stock) 200lbs-215lbs 57N 215lbs-230lbs 58N 230lbs-245lbs 60N 245lbs-275lbs 61N |
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
