19-25 Yamaha YZ 250F YZ WR 250F Kibblewhite TITANIUM Intake Exhaust Valves Seals

Details

80-82312T,80-82316T, 80-82316H, 80-82312H, MR S14,MR S15,1SM-12121-10-00,33M-12119-00-00, 1SM-12121-10-00, 33M-12119-00-00, 4TE-12119-00-00, B7B-12111-00-00, 80-82312T, 80-882316T, 195262813221, 80-82312T / MRS15

Kibblewhite Titanium Intake & Exhaust Valves + RED Seals Yamaha 250F Product Overview

Kibblewhites industry-leading Tensilite Titanium Valve Kit
is the ultimate OEM replacement solution for high-performance Yamaha 250F engines.
This complete Tensilite Titanium4-valve set includes all four of Kibblewhite’s legendary RED Viton valve seals.

Whats Included

• (2) Tensilite Titanium Intake Valves
• (2) Tensilite Titanium Exhaust Valves
• (4) Kibblewhite RED Hi-Temp Viton Valve Stem Seals (We ship REDS not bait-and-switch blues)

Advantages

• Dimensionally identical to OEM with vastly superior metallurgy
• One-piece forged for strength and uninterrupted grain flow
• PVD CrN Coated for performance and longevity
• Fully CNC-machined and super-finished stems
• Direct OEM replacement no modifications required

OEM Replacement

Replaces Yamaha OEM Part Numbers:
1SM-12121-10-00, B7B-12111-00-00, 33M-12119-00-00, 4TE-12119-00-00

Model Fitment

YZ250F 2019, 2020, 2021, 2022, 2023, 2024, 2025
YZ250FX 2020, 2021, 2022, 2023, 2024, 2025
WR250F 2019, 2020, 2021, 2022, 2023, 2024, 2025

FAQs

• Are these valves compatible with OEM springs? Yes, these are OEM-style replacements.
• Do I really get KPMI RED seals? Yes. We include the real deal not blue substitutes.
• Can these handle high-RPM use? Yes, and even better with KPMI racing spring kits.

Note: These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine builders, who are running aggressive camshafts or higher than factory RPMs may find the combination of the O.E.M. Style Valve and KPMIs Lightweight Racing Spring Kits advisable. All titanium valves are (Tensilite) PVD CrN coated, and all stainless valves are Black Diamond coated.

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