{"product_id":"hot-cams-7-48mm-complete-valve-shim-kit-hcshim01-1-20-3-50mm-in-0-05mm-steps-3-each-4140-steel","title":"Hot Cams 7.48mm Complete Valve Shim Kit HCSHIM01 — 1.20–3.50mm in 0.05mm Steps, 3 Each (4140 Steel)","description":"\u003cp\u003e\u003cstrong\u003eHot Cams HCSHIM01 is a complete 7.48mm valve shim kit with precision 4140 steel shims (1.20–3.50mm) in 0.05mm steps, designed to simplify valve clearance service on compatible dirt bikes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit gathers three shims of every size from 1.20mm up to 3.50mm in 0.05mm increments, giving you the selection needed to adjust clearances without multiple orders. Each shim is forged from heat-treated 4140 steel for durability and stamped with its thickness for quick selection during maintenance. The set fits a wide range of four-stroke off-road motorcycles from leading manufacturers, making it a practical addition to any rider or mechanic’s toolbox.\u003c\/p\u003e\n\n\u003ch3\u003eWhich bike models will this Hot Cams shim kit service?\u003c\/h3\u003e\n\u003cp\u003eThe HCSHIM01 is engineered for many common four-stroke dirt bikes and dual-sport machines. It covers multiple year ranges across Honda, Kawasaki, Suzuki, and Yamaha two-fifties and smaller-displacement models, helping you match the exact shim size required by the valve spec.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda CRF 150R\/150RB (2007–2018) and CRF 250R\/X (2004–2017), CRF 250L (2013–2018), NX 250 (1988–1990)\u003c\/li\u003e\n\u003cli\u003eKawasaki KX250F (2004–2018) and Suzuki RMZ250 (2004–2018)\u003c\/li\u003e\n\u003cli\u003eYamaha WR250F\/WR250R\/WR250X (2001–2018 variants) and YZ250F (2001–2013)\u003c\/li\u003e\n\u003cli\u003eIncludes three identical shims per size to cover repeated or paired valve adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow precise are the shim increments and how does that help valve adjustment?\u003c\/h3\u003e\n\u003cp\u003eThe kit’s 0.05mm step size gives fine control when dialing in clearances, reducing the need for shimming more than once. Having three of each thickness lets you stack or swap shims to reach the exact specification called for in service manuals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThickness range: 1.20mm to 3.50mm in 0.05mm increments\u003c\/li\u003e\n\u003cli\u003eThree shims per size for quick selection and stacking if required\u003c\/li\u003e\n\u003cli\u003eLaser-etched sizes on each shim speed up identification during a rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and markings are used, and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThese shims are forged from 4140 alloy steel, a material widely used for its strength and wear resistance in rotating and valve-train components. Each shim is laser marked with its exact thickness so you can pick the right one under shop lighting without measuring every piece.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eForged 4140 steel construction for wear resistance and consistent dimensions\u003c\/li\u003e\n\u003cli\u003eLaser-etched thickness markings for fast, error-reduced selection\u003c\/li\u003e\n\u003cli\u003eManufactured to fit standard 7.48mm shim buckets used on listed engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools or preparation are recommended before using the shim kit?\u003c\/h3\u003e\n\u003cp\u003eBasic valve maintenance tools and a service manual for your specific model are essential for safe and accurate adjustments. Clean work area, torque wrench, feeler gauge, valve spring compressor (if required), and a calibrated micrometer or shim gauge will help ensure correct clearances and reliable results.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRefer to your motorcycle’s valve clearance specs before selecting shims\u003c\/li\u003e\n\u003cli\u003eUse a feeler gauge and micrometer for verification after installation\u003c\/li\u003e\n\u003cli\u003eKeep spare shims organized by size to speed future maintenance intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Hot Cams HCSHIM01 kit is aimed at dirt-bike riders, home mechanics, and professional shops that service four-stroke off-road and dual-sport motorcycles. If you perform routine valve checks or rebuilds on compatible Honda, Kawasaki, Suzuki, or Yamaha models, this complete selection of 0.05mm-step shims reduces downtime and prevents repeated parts orders.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit fit my CRF 250R?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the HCSHIM01 covers Honda CRF 250R models from 2004–2017, with multiple shim sizes for precise clearance adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the shim sizes marked for easy selection?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — each shim is laser-etched with its thickness so you can quickly pick the correct size without measuring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hot Cams","offers":[{"title":"Default Title","offer_id":48082506055838,"sku":"B000UKM6LG","price":135.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hot-cams-shim-kit-front-packaging_5d6a02f1-c022-4b67-bc34-ad5b69be774d.jpg?v=1785811416","url":"https:\/\/northtrailauto.ca\/products\/hot-cams-7-48mm-complete-valve-shim-kit-hcshim01-1-20-3-50mm-in-0-05mm-steps-3-each-4140-steel","provider":"North Trail Auto","version":"1.0","type":"link"}