Features:
- Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves
- Spring kit comes complete for one motor
- Keepers are not included
- Made in the U.S.A/
- The intake springs for this kit include a progressively wound outer spring, which should be installed with the tightly wound end seated on the H. T. Steel Basewashers. Intake Installed Height: 1.315" Exhaust Installed Height: 1.160" Includes: • 2x Intake CrSi Valve Springs • 2x Exhaust CrSi Valve Springs • 2x Intake Titanium Retainers • 2x Exhaust Titanium Retainers • 2x Intake H.T. Steel Basewashers • 2x Exhaust H.T. Steel Basewashers
Fits:
YAMAHA WR 250 F 250 2026
YAMAHA WR 250 F 250 2025
YAMAHA WR 250 F 250 2024
YAMAHA WR 250 F 250 2023
YAMAHA WR 250 F 250 2022
YAMAHA WR 250 F 250 2021
YAMAHA WR 250 F 250 2020
YAMAHA YZ 250 F 250 2026
YAMAHA YZ 250 F 250 2026
YAMAHA YZ 250 F 250 2025
YAMAHA YZ 250 F 250 2025
YAMAHA YZ 250 F 250 2025
YAMAHA YZ 250 F 250 2024
YAMAHA YZ 250 F 250 2024
YAMAHA YZ 250 F 250 2023
YAMAHA YZ 250 F 250 2023
YAMAHA YZ 250 F 250 2022
YAMAHA YZ 250 F 250 2022
YAMAHA YZ 250 F 250 2021
YAMAHA YZ 250 F 250 2021
YAMAHA YZ 250 F 250 2020
YAMAHA YZ 250 F 250 2019
YAMAHA YZ 250 FX 250 2027
YAMAHA YZ 250 FX 250 2026
YAMAHA YZ 250 FX 250 2025
YAMAHA YZ 250 FX 250 2024
YAMAHA YZ 250 FX 250 2023
YAMAHA YZ 250 FX 250 2022
YAMAHA YZ 250 FX 250 2021
YAMAHA YZ 250 FX 250 2020
Kibblewhite Precision Machining, Inc. (KPMI) is a U.S.-based manufacturer founded in 1939, specializing in high-performance valvetrain components for motorcycles and motorsports. Headquartered in Pacifica, California, KPMI is known for precision-engineered valves, springs, guides, and related parts, serving a global market including sportbikes, dirt bikes, and custom builds.
| Brand |
Model |
Year |
Name |
CC |
| YAMAHA |
YZ |
2019 |
|
250 |
| YAMAHA |
YZ |
2019 |
|
250 |
| YAMAHA |
YZ |
2019 |
|
250 |
| YAMAHA |
YZ |
2019 |
|
250 |
| YAMAHA |
YZ |
2020 |
|
250 |
| YAMAHA |
YZ |
2020 |
|
250 |
| YAMAHA |
YZ |
2020 |
|
250 |
| YAMAHA |
YZ |
2020 |
|
250 |
| YAMAHA |
WR |
2020 |
|
250 |
| YAMAHA |
WR |
2020 |
|
250 |
| YAMAHA |
YZ |
2021 |
|
250 |
| YAMAHA |
YZ |
2021 |
|
250 |
| YAMAHA |
YZ |
2021 |
|
250 |
| YAMAHA |
YZ |
2021 |
|
250 |
| YAMAHA |
YZ |
2021 |
Monster Energy Racing Edition |
250 |
| YAMAHA |
WR |
2021 |
|
250 |
| YAMAHA |
WR |
2022 |
|
250 |
| YAMAHA |
YZ |
2022 |
|
250 |
| YAMAHA |
YZ |
2022 |
Monster Energy Racing Edition |
250 |
| YAMAHA |
YZ |
2022 |
|
250 |
| YAMAHA |
YZ |
2022 |
Monster Energy Racing Edition |
250 |
| YAMAHA |
YZ |
2022 |
|
250 |
| YAMAHA |
YZ |
2022 |
|
250 |
| YAMAHA |
YZ |
2023 |
Monster Energy Racing Edition |
250 |
| YAMAHA |
YZ |
2023 |
|
250 |
| YAMAHA |
YZ |
2023 |
Monster Energy Racing Edition |
250 |
| YAMAHA |
YZ |
2023 |
|
250 |
| YAMAHA |
WR |
2023 |
|
250 |
| YAMAHA |
YZ |
2023 |
|
250 |
| YAMAHA |
YZ |
2023 |
|
250 |
| YAMAHA |
YZ |
2024 |
50th Anniversary Edition |
250 |
| YAMAHA |
YZ |
2024 |
|
250 |
| YAMAHA |
YZ |
2024 |
|
250 |
| YAMAHA |
YZ |
2024 |
50th Anniversary Edition |
250 |
| YAMAHA |
WR |
2024 |
|
250 |
| YAMAHA |
YZ |
2024 |
|
250 |
| YAMAHA |
YZ |
2024 |
|
250 |
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