{"product_id":"flange-bolt-by-yamaha-90105-09003-00","title":"Flanged Bolt by Yamaha","description":"\u003cdiv style=\"font-family: Arial; font-size: 12pt;\"\u003e\n\u003ch2\u003eYamaha UTV\/ATV \u0026amp; Side by Side Engine Cylinder - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications: Genuine OEM Yamaha Flanged Bolt, Part # 90105-09003-00.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eKeep your machine running like new with a genuine Yamaha Engine Cylinder paired with premium maintenance parts from buywitchdoctors.com. The engine cylinder is the bore the piston travels in, containing combustion pressure, guiding the piston and rings, and passing heat to the cooling fins or coolant jacket so the engine runs at a safe temperature. Because the bore surface and its sealing faces must stay straight, smooth, and true, the cylinder's condition directly affects compression, power, oil use, and engine life. Riders most often replace an engine cylinder after a loss of compression or power, blue smoke or heavy oil consumption, scored, scratched, or out-of-round bores, worn plating or sleeves, cracks or chips from a thrown rod or hard impact, warped sealing surfaces, coolant or oil leaks at the base or head joint, or damage from overheating, water ingestion, or a seized piston.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genuine OEM Yamaha Parts?\u003c\/h3\u003e\n\u003cp\u003eChoosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Design:\u003c\/strong\u003e Matched to Yamaha's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Spec Quality:\u003c\/strong\u003e Built to the same standards as the parts installed on your machine at the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Precision Engineering\u003c\/h3\u003e\n\u003cp\u003eCrafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. The engine cylinder is cast from heat-conducting alloy with a precisely honed, wear-resistant bore, flat machined sealing faces, and accurately placed stud holes and passages, so it seats evenly, holds ring seal, sheds heat efficiently, and resists scoring and warping through high RPM and constant heat cycles.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Model Fitment (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM part is engineered for a wide range of Yamaha side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:\u003c\/p\u003e\n\u003ch3\u003eUtility Task Vehicles (UTVs \/ Side-by-Sides)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-viking-parts\" target=\"_blank\" title=\"Direct Link to all Viking Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eViking Series\u003c\/a\u003e:\u003c\/strong\u003e Viking 700 EPS, Viking 700 Ranch Edition, Viking VI EPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-wolverine-parts\" target=\"_blank\" title=\"Direct Link to all Wolverine Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eWolverine Series\u003c\/a\u003e:\u003c\/strong\u003e Wolverine R-Spec, Wolverine X2 850, Wolverine X4 850, Wolverine X2 1000, Wolverine RMAX2 1000 (Sport, XT-R, Limited), Wolverine RMAX4 1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yxz-parts\" target=\"_blank\" title=\"Direct Link to all YXZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYXZ Series\u003c\/a\u003e:\u003c\/strong\u003e YXZ1000R, YXZ1000R SS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAll-Terrain Vehicles (ATVs)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yfz-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all YFZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYFZ Series\u003c\/a\u003e: \u003c\/strong\u003eYFZ50\u003cstrong\u003e, \u003c\/strong\u003eYFZ450R, YFZ450R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-raptor-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Raptor Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eRaptor Series\u003c\/a\u003e:\u003c\/strong\u003e Raptor 90, Raptor 110, Raptor 700, Raptor 700R, Raptor 700R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-grizzly-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Grizzly Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eGrizzly Series\u003c\/a\u003e:\u003c\/strong\u003e Grizzly 90, Grizzly 110, Grizzly 700 EPS, Grizzly 700 SE, Grizzly 700 XT-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-kodiak-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Kodiak Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eKodiak Series\u003c\/a\u003e:\u003c\/strong\u003e Kodiak 450, Kodiak 450 EPS, Kodiak 700, Kodiak 700 EPS, Kodiak 700 SE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eIMPORTANT DISCLAIMER:\u003c\/strong\u003e Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.\u003c\/p\u003e\n\u003ch3\u003eOther Popular Parts \u0026amp; Secondary Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Rocker-Arms-Tappets\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Rocker Arms \u0026amp; Tappets sold at buywitchdoctors.com\" rel=\"noopener\"\u003eRocker Arms \u0026amp; Tappets\u003c\/a\u003e:\u003c\/strong\u003e Rocker arms and tappets carry motion from the camshaft to the valves in the head above the cylinder. Inspect them for wear and pitting whenever the top end is apart so your valvetrain is in good shape alongside the new cylinder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Cams-Components\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Cams \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003eCams \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e The camshaft and its related parts time the valves that feed and clear the cylinder. Check the lobes, bearings, and cam chain components during cylinder service so valve timing stays accurate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-gaskets-seals-atv?product_type\/Top-End-Gaskets\/Shop-By\/Aftermarket\" target=\"_blank\" title=\"Direct Link to All Aftermarket Top End Gaskets Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eTop End Gaskets\u003c\/a\u003e:\u003c\/strong\u003e Top end gaskets seal the base and head joints of the cylinder and are typically replaced whenever it is removed. Pair a fresh set with your engine cylinder so both sealing faces seat flat and leak-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Pistons-Components\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Pistons \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003ePistons \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e The piston, rings, and pin run directly inside the cylinder bore and wear together with it. Install a fresh piston and rings with a new or serviced cylinder so the seal and fit are correct from the first start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Connecting-Rods-Components\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Connecting Rods \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003eConnecting Rods \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e The connecting rod links the piston to the crankshaft. If the cylinder was damaged by a seizure or thrown rod, inspect the rod and bearings for bends or damage before reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-gaskets-seals-atv?product_type\/Engine-Gaskets-Oil-Seals\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Engine Gaskets \u0026amp; Oil Seals sold at buywitchdoctors.com\" rel=\"noopener\"\u003eEngine Gaskets \u0026amp; Oil Seals\u003c\/a\u003e:\u003c\/strong\u003e Engine gaskets and oil seals keep oil, coolant, and pressure where they belong. Replace them whenever the engine is opened so your cylinder installation starts clean and leak-free.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when my Yamaha engine cylinder needs to be replaced, and how do I confirm the right one for my machine?\u003c\/strong\u003e\u003cbr\u003eA: Watch for low compression, loss of power, blue smoke or heavy oil use, and scoring, scratches, an out-of-round bore, worn plating, cracks, or warped sealing faces found during inspection. Before replacing it, check the piston, rings, and valve condition, and measure the bore against the limits in your service manual, since some wear can be corrected with a piston and rings alone. Because cylinders vary by model, model year, engine, and size, confirm the correct part, sizing, and installation procedure using your Yamaha service manual or factory schematic, or contact us with your model and VIN and we will help you match it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do mud, water, sand, and heat affect an engine cylinder on the trail?\u003c\/strong\u003e\u003cbr\u003eA: Heat is the biggest factor, since packed mud on cooling fins or a restricted coolant path can cause overheating and warping, while dust or sand past the air filter can scratch the bore and wear the rings. Water ingestion can also damage the piston and rod. After a muddy, wet, or dusty ride, rinse caked mud from the cylinder area, keep your air filter and intake sealed, and check for milky oil or leaks. Follow your Yamaha service manual for correct installation, break-in, and water-crossing guidance.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/yamaha-oem-vs-aftermarket-parts-comparison\" title=\"Direct link to Buywitchdoctors.com blog about Yamaha OEM vs. Aftermarket Parts: Are Factory Components Best for Your Trail Riding?\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"color: blue;\"\u003eLearn More about Yamaha OEM vs. Aftermarket Parts\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"tab-stops: center 3.25in;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e \u003cstrong\u003eLearn more about \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/low-atv-utv-compression-how-to-check-engine-cylinders-power-loss\" rel=\"noopener\" title=\"Direct link to buywitchdoctors.com blog about Low ATV\/UTV Compression? How to Check Engine Cylinders \u0026amp; Power Loss\" target=\"_blank\"\u003e\u003cspan style=\"color: blue;\"\u003eHow to Check Engine Cylinders \u0026amp; Power Loss.\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003cu\u003e\u003cspan style=\"color: blue;\"\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: #ff2a00;\"\u003ePRO TIP: \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/a-buyer-s-guide-to-utv-atv-engine-components\" rel=\"noopener\" title=\"Direct link to Buywitchdoctors.com blog about A Buyer’s Guide To UTV\/ATV Internal Engine Components\" target=\"_blank\"\u003eA Buyer’s Guide To UTV\/ATV Internal Engine Components\u003c\/a\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"tab-stops: center 3.25in;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e \u003cstrong\u003eLearn more about C\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/complete-engine-vs-long-block-which-do-you-need\" rel=\"noopener\" title=\"Direct link to buywitchdoctors.com blog about Complete Engine vs. Long Block: Which Do You Need?\" target=\"_blank\"\u003e\u003cspan style=\"color: blue;\"\u003eomplete Engine vs. Long Block: Which Do You Need?\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cstrong\u003eUpgrade Your Ride's Engine Top End Performance Today\u003c\/strong\u003e\u003cbr\u003eA factory-fit engine cylinder restores compression, cuts oil burning, and brings back strong, smooth power on every ride. Complete your top end service with matching rocker arms \u0026amp; tappets, cams \u0026amp; components, top end gaskets, pistons \u0026amp; components, connecting rods \u0026amp; components, and engine gaskets \u0026amp; oil seals so your whole engine works together and stays sealed, balanced, and trail-ready. Order your genuine Yamaha replacement components today from \u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-yamaha-off-road-utv-atv-parts?Shop-By\/OEM\" title=\"Direct Link to the Collection of All Yamaha OEM ATV \u0026amp; UTV Parts \u0026amp; Accessories Available at BuyWitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003ebuywitchdoctors.com\u003c\/a\u003e and experience top-tier off-road performance!\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eAre You Looking to Find Great Places \u0026amp; Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/northernoutdoors.com\" title=\"Direct Link to Northern Outdoors ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eNorthern Outdoors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.blm.gov\/visit\/imperial-sand-dunes\" title=\"Direct Link to Imperial Sand Dunes ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eImperial Sand Dunes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/blm.gov\/visit\/johnson-valley-ohv-area\" title=\"Direct Link to Johnson Valley ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eJohnson Valley OHV Area\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/mycountyparks.com\" title=\"Direct Link to Gypsum City ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eGypsum City OHV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leatherwoodoffroad.com\" title=\"Direct Link to Leatherwood ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eLeatherwood Off-Road Park\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Off Road Express","offers":[{"title":"Default Title","offer_id":41654010576958,"sku":"90105-09003-00","price":19.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/Yamaha_OEM-Part-Number_90105-09003-00_de5fe0bc-1b58-4df3-96c6-662a6212a3d3.png?v=1772562198","url":"https:\/\/buywitchdoctors.com\/products\/flange-bolt-by-yamaha-90105-09003-00","provider":"Witchdoctors","version":"1.0","type":"link"}