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As this happens the reed petals pulse as the engine cycles and slap against the reed block ultimately causing a decrease in lifespan. \u003c\/p\u003e  \u003cbr\u003e  \u003cp\u003eAs technology advances, so do the V Force reeds. The stiffness and length of the reed petals affect your 2-strokes performance. If you are looking for a little more mid-range power, try out a valve with shorter petals as they have less distance to travel and if you are looking for more high RPM power a stiffer petal that has a slightly longer duration to travel may be what you are looking for. The V-Force Delta 3 Reed Valve is a complete replacement for your existing stock\/OEM reed valve that offers an increase in engine power and throttle response by increasing the efficiency over a conventional reed valve design.  Horsepower gains can be seen anywhere from a 5-10% increase while also broadening peak power.   Easy to install and very affordable, the v force reeds is the ultimate in bolt-on power.\u003c\/p\u003e  ","brand":"Moto Tassinari","offers":[{"title":"CR 80\/85 All","offer_id":49250263793951,"sku":"59-67300-3I","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 125R 87-00","offer_id":49250263826719,"sku":"59-67310","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR125R 2001","offer_id":49250263859487,"sku":"59-67311","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 125R 2002","offer_id":49250263892255,"sku":"59-67310","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 125R 03-04","offer_id":49250263925023,"sku":"59-67312","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 125R 05-08","offer_id":49250263957791,"sku":"59-67313","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 250R 86-01","offer_id":49250263990559,"sku":"59-67320","price":158.95,"currency_code":"USD","in_stock":true},{"title":"CR 250R 2002","offer_id":49250264023327,"sku":"59-67321","price":158.95,"currency_code":"USD","in_stock":true},{"title":"CR 250R 03-04","offer_id":49250264056095,"sku":"59-67322","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 250R 05-08","offer_id":49250264088863,"sku":"59-67323","price":158.95,"currency_code":"USD","in_stock":false},{"title":"CR 500R 86-01","offer_id":49250264121631,"sku":"59-67324","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KX 65 All","offer_id":49250264154399,"sku":"59-67400","price":147.95,"currency_code":"USD","in_stock":true},{"title":"KX 80\/85\/100 All","offer_id":49250264187167,"sku":"59-67410","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KX 125 03-08","offer_id":49250264219935,"sku":"59-67420","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KX 250 87-04","offer_id":49250264252703,"sku":"59-67430","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KX 250 05-08","offer_id":49250264285471,"sku":"59-67431","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KX 500 87-03","offer_id":49250264318239,"sku":"59-67432","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KDX 200\/220 All","offer_id":49250264351007,"sku":"59-67440","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KTM 50 Through 2008","offer_id":49250264383775,"sku":"59-67700","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 50 SX 09-15","offer_id":49250264416543,"sku":"59-67701","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 50 SX 15-22","offer_id":49250264449311,"sku":"59-67711","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 65 98-08","offer_id":49250264482079,"sku":"59-67710","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 65 SX 09-22","offer_id":49250264514847,"sku":"59-67711","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 85\/105 SX ALL","offer_id":49250264547615,"sku":"59-67720","price":158.95,"currency_code":"USD","in_stock":false},{"title":"KTM 125 EXC 98-15","offer_id":49250264580383,"sku":"59-67730","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 125 SX 94-06","offer_id":49250264613151,"sku":"59-67730","price":158.95,"currency_code":"USD","in_stock":true},{"title":"KTM 250\/300 EXC Through 2003","offer_id":49250264645919,"sku":"59-67731","price":158.95,"currency_code":"USD","in_stock":false},{"title":"RM 65 All","offer_id":49250264678687,"sku":"59-67400","price":147.95,"currency_code":"USD","in_stock":true},{"title":"RM 85 (V-Force 3i) All","offer_id":49250264711455,"sku":"59-67500-3I","price":167.95,"currency_code":"USD","in_stock":false},{"title":"RM 125 89-08","offer_id":49250264744223,"sku":"59-67510","price":158.95,"currency_code":"USD","in_stock":true},{"title":"RM 250 96-97","offer_id":49250264776991,"sku":"59-67620","price":158.95,"currency_code":"USD","in_stock":false},{"title":"RM 250 03-08","offer_id":49250264809759,"sku":"59-67620","price":158.95,"currency_code":"USD","in_stock":false},{"title":"YZ 85 02-18","offer_id":49250264842527,"sku":"59-67600","price":158.95,"currency_code":"USD","in_stock":false},{"title":"YZ 85 02-21 (V-Force 3i)","offer_id":49250264875295,"sku":"59-67600-3I","price":167.95,"currency_code":"USD","in_stock":false},{"title":"YZ 125 95-04","offer_id":49250264908063,"sku":"59-67610","price":158.95,"currency_code":"USD","in_stock":false},{"title":"YZ 250 97-22","offer_id":49250264940831,"sku":"59-67620","price":158.95,"currency_code":"USD","in_stock":false},{"title":"YZ 250X 16-21","offer_id":49250264973599,"sku":"59-67620","price":158.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/V-ForceCageSm_fb9180d0-a4f5-40be-bd4f-6aece8bc706f.jpg?v=1726020650"},{"product_id":"moto-tassinari-vforce-3-4-4r-system","title":"Moto Tassinari - 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The engineers at Moto Tassinari took the solid foundation from the highly successful VForce 3 system and redesigned the V4\/V4R to give more durability while providing the max efficiency. This also means that power delivery is much improved, thus giving you more explosive power for your 2-stroke motocross bike.  \u003c\/p\u003e  \u003cp\u003e \u003c\/p\u003e  \u003cp\u003eBy doubling the reed tip surface over conventional reed designs, the VForce 4\/4R system has two major advantages over stock OEM reed systems. The first advantage allows the reed petals to travel only half the distance compared to conventional designs to provide the same airflow, allowing a more consistent opening and sealing when closed. Because of this design feature, the reed pedals will last longer since they receive less wear.\u003c\/p\u003e  \u003cbr\u003e  \u003cp\u003eMoto Tassinari has developed one of the best reed valves on the market. The VForce 4R reed valve is an all-new reed valve for the 2017 Husqvarna and KTM 250cc and 300cc two strokes. These products in general are designed to bring you more midrange power so you can get a jump on your competition. Moto Tassinari constructed this VForve 4R reed valve with a rubber overmolding on the reed tips to increase its longevity and an all-new manifold, reed cage, and air guide to increase performance. This is a performance upgrade you will notice instantly!\u003c\/p\u003e  \u003ch2\u003eV4 Features:\u003c\/h2\u003e  \u003cul\u003e      \u003cli\u003eDouble the reed tip surface over a conventional reed valve design\u003c\/li\u003e      \u003cli\u003eIncreased bottom end, stronger mid-range and longer top-end\u003c\/li\u003e      \u003cli\u003eGreater efficiency due to reduced reed petal travel\u003c\/li\u003e      \u003cli\u003eMore airflow means more horsepower\u003c\/li\u003e      \u003cli\u003eReduced reed petal wear\u003c\/li\u003e      \u003cli\u003eScrew free design eliminates risk of screws going through motor\u003c\/li\u003e      \u003cli\u003eScrew free design enables super quick reed petal changes\u003c\/li\u003e      \u003cli\u003e\n\u003cspan style=\"font-size: x-large;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003eAll New reed petal resin system, carbon fiber and lay-up.\u003c\/li\u003e      \u003cli\u003ePre-curved reed petal ensures better seal at 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Arial, Helvetica, sans-serif;\"\u003eDelta 2 systems have grey cages\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; font-size: 14px; font-family: Arial, Helvetica, sans-serif;\"\u003eVForce 3 systems have black cages with snap in petals\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; font-size: 14px; font-family: Arial, Helvetica, sans-serif;\"\u003eSold 4\/ Pack\u003c\/li\u003e\n\u003cli style=\"margin: 0px; padding: 0px; font-size: 14px; font-family: Arial, Helvetica, sans-serif;\"\u003eOrder 1 per cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Moto Tassinari","offers":[{"title":"CR80\/85 '80-07","offer_id":49265761354015,"sku":"59-67809","price":59.95,"currency_code":"USD","in_stock":true},{"title":"CR 125 '05-07","offer_id":49265761386783,"sku":"59-67801","price":59.95,"currency_code":"USD","in_stock":true},{"title":"CR 250 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'87-03","offer_id":49265761878303,"sku":"59-4554","price":59.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/replacement-reed.jpg?v=1726106677"},{"product_id":"moto-tassinari-vforce-4x-reed-valve","title":"Moto Tassinari - VForce 4X Reed Valve TBi (KTM\/Husqvarna\/GasGas)","description":"\u003ch2\u003e\u003cstrong\u003eMoto Tassinari - VForce 4X Reed Valve TBi (KTM\/Husqvarna\/GasGas)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIntroducing the all-new VFORCE4X V4X26AM-I reed valve for all GAGGAS, Husqvarna and KTM TBI oil-injected models!\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"644\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"43\"\u003eMoto Tassinari VForce 4X Reed Valve\u003c\/strong\u003e is one of those upgrades that instantly transforms how your bike feels the moment you crack the throttle. Built specifically for GasGas, Husqvarna, and KTM TBI oil-injected models, this reed valve takes what’s already a solid platform and makes it come alive with sharper throttle response, stronger pull through the rev range, and more horsepower on tap. The best part? Installation is as painless as it gets—since the VForce 4X works seamlessly with the OEM oil-injector, you don’t have to mess with oil lines, bleed the system, or deal with extra headaches. It’s a true bolt-on performance gain.\u003c\/p\u003e\n\u003cp data-start=\"646\" data-end=\"1181\"\u003eWhat makes us love it is how noticeable the difference is once it’s on. You’ll get a wider peak powerband that keeps you pulling longer, while the extended reed petal life means you’re not burning through parts after a few rides. The unique reed cage design flows air more efficiently, giving you that snappy, crisp feel off the bottom without sacrificing smoothness up top. For riders who want to liven up their bike and get race-bred performance with garage-level simplicity, the VForce 4X is one of the smartest mods you can make.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eUtilizes the OEM oil-injector providing for a straightforward installation, with no need to touch the oil line or injector and no bleeding necessary\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTime to liven up your TBI oil-injected motorcycle and give the crisper throttle response, wider peak power, extended reed petal life and increased horsepower\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/mototassinari.com\/media\/pdf\/V4X26AM-I_installation_instructions.pdf\"\u003eV4X26AM-I_installation_instructions.pdf\u003c\/a\u003e\u003c\/p\u003e","brand":"Moto Tassinari","offers":[{"title":"GasGas \/ EC 250\/300 - '24-25","offer_id":51276578390303,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"GasGas \/ EC 300GP - '25","offer_id":51276581863711,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"Husqvarna \/ TE 150\/250\/350 - '24-25","offer_id":51276582093087,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"Husqvarna \/ TE 300 Pro - '25","offer_id":51276582125855,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"KTM \/ 150\/250\/300 EXC\/XC-W - 24-25","offer_id":51276582355231,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"KTM \/ 300 EXC\/XC-W Hard Enduro - '25","offer_id":51276582387999,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true},{"title":"KTM \/ 300 XC-W Champion\/Factory Edition - '25","offer_id":51276582420767,"sku":"10080366","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/A42005979002_8_96a29a51-bf8f-4cf3-8a1c-3148c42198fd.png?v=1759506981"},{"product_id":"moto-tassinari-vforce-4x-reed-valve-yamaha","title":"Moto Tassinari - VForce 4X Reed Valve - Yamaha","description":"\u003ch2\u003e\u003cstrong\u003eMoto Tassinari - VForce 4X Reed Valve - Yamaha \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"439\" data-start=\"0\"\u003eThe Moto Tassinari VForce 4X Reed Valve\u003cstrong data-end=\"83\" data-start=\"4\"\u003e \u003c\/strong\u003eis a serious performance upgrade for riders who want more snap, more pull, and more longevity out of their two-stroke. The stock reed valve setup on these bikes does the job, but the VForce 4X was engineered to crush its limitations, giving you crisper throttle response and a noticeable increase in overall engine power without sacrificing reliability.\u003c\/p\u003e\n\u003cp data-end=\"1021\" data-start=\"441\"\u003eWhat really sets it apart is the durability and efficiency of the design. The VForce 4X flows air more effectively, letting your Yamaha breathe deeper while keeping reed petal wear to a minimum—so you spend less time wrenching and more time riding. That means whether you’re hammering motos at the track or threading tight singletrack on the YZ250X, you’re getting smoother delivery, quicker response, and the kind of performance edge that just isn’t possible with stock parts. It’s one of those upgrades we like because you feel the difference every time you roll the throttle.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eDesigned to offer you exceptional durability and overcome the shortcomings of the stock reed valve system\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eIncreases engine power and throttle response\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moto Tassinari","offers":[{"title":"YZ 250 - '97-25","offer_id":51276965675295,"sku":"10080360","price":165.0,"currency_code":"USD","in_stock":true},{"title":"YZ 250X - '16-25","offer_id":51276965708063,"sku":"10080360","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/A42005979002_9_1ff998d9-cf0c-4b84-a4d9-5624f641d2a2.png?v=1759515112"},{"product_id":"moto-tassinari-vforce-4x-reed-valve-light-tension-petal-yamaha","title":"Moto Tassinari - VForce 4X Reed Valve Light Tension Petal - Yamaha","description":"\u003ch2\u003e\u003cstrong\u003eMoto Tassinari - VForce 4X Reed Valve Light Tension Petal - Yamaha \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1021\" data-start=\"441\"\u003eWe like the Moto Tassinari VForce 4X Light Tension Petal Reed Valve because it transforms the Yamaha YZ250 and YZ250X into bottom-end monsters built for woods, hard enduro, and tight MX lines. The lighter tension petals snap open with less effort, delivering crisper throttle response, stronger low-end grunt, and smoother power right where riders need it most. Add in the precision pre-curved carbon fiber reeds, a widened cage for increased airflow, and aerodynamic shaping that boosts velocity, and you get a setup that not only makes the bike more responsive but also more durable. For riders clawing through rocks, threading tight singletrack, or blasting out of corners, this reed valve makes every twist of the throttle feel sharper, stronger, and more controlled. Proudly made in the USA, it’s built to perform and built to last.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eLow tension version of VFORCE4X reed valve\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eIdeal for woods riders, hard enduro riders, tight MX tracks or any rider looking for maximum bottom-end\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAdvanced reed petal resin system, carbon fiber and lay-up\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003ePre-curved reed petal ensures better seal at the tip\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eWider reed cage for maximum airflow\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eCombined reed tip area is increased by 10.5% for better airflow\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAirfoil shape added to cage tip to increase velocity from the outer ports\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eReduced frontal area of the central wing combined with a more aerodynamic shape\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Moto Tassinari","offers":[{"title":"YZ 250 - '97-25","offer_id":51276986450207,"sku":"10080370","price":165.0,"currency_code":"USD","in_stock":true},{"title":"YZ 250X - '16-25","offer_id":51276986482975,"sku":"10080370","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/A42005979002_10_a730070d-cf1a-47ba-adea-33c5bd9c5df6.png?v=1759515938"}],"url":"https:\/\/www.btosports.com\/collections\/moto-tassinari-fuel-and-air-intake-systems.oembed","provider":"BTO Sports","version":"1.0","type":"link"}