BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | OFFROAD FUEL/AIR SYSTEMS FUEL/AIR SYSTEMS 1630 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL REED VALVE PART # REPL. REED PETAL PART # YAMAHA YZ250 97-25,YZ250X 16-25 1008-0370 1008-0371 VFORCE4X REED VALVE W/ LIGHT TENSION PETAL AND REPLACEMENT REEDS • Low tension version of VFORCE4X reed valve, PART #1008-0360 (sold separately) • Ideal for woods riders, hard enduro riders or tight MX tracks or any rider looking for maximum bottom-end • Advanced reed petal resin system, carbon fiber and lay-up •Pre-curved reed petal ensures better seal at the tip •Wider reed cage for maximum airflow •Combined reed tip area is increased by 10.5% for better airflow •Airfoil shape added to cage tip to increase velocity from the outer ports •Reduced frontal area of the central wing combined with a more aerodynamic shape • Repl. reed petal kit sold separately •Made in the U.S.A. FITS MODEL REED VALVE PART # REPL. REED PETAL PART # GASGAS EC 250/300 24-25 1008-0366 - EC 300 EnduroGP 25 1008-0366 - HUSQVARNA TE 150/250/300 24-25 1008-0366 - TE 300 Pro 25 1008-0366 - FITS MODEL REED VALVE PART # REPL. REED PETAL PART # KTM 50 SX 15-25 1008-0368 1008-0369 65 SX 09-25 1008-0368 1008-0369 150/250/300 XC-W 24-25 1008-0366 - 300 XC-W HardEnduro 25 1008-0366 - VFORCE4X REED VALVES • Introducing the all-new VFORCE4X reed valve for all GASGAS, Husqvarna and KTM TBI oil-injected models •The intelligent design utilizes the OEM oil-injector providing for a straightforward installation, with no need to touch the oil line or injector and no bleeding necessary • Gives a crisper throttle response, wider peak power and extended reed petal life because the 50/65 SX models aren’t fuel or oil injected • The new VFORCE4X reed valve for KTM’s 50 SX and 65 SX boosts horsepower throughout the mid to top and provides even more over rev than the already top performing VFORCE3, thanks to a new reed cage, air guide and reed petal combination •Replacement reeds sold one set per reed cage •Made in the U.S.A. 1008-0366 1008-0370
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