{"product_id":"yamakato-gx340-gx390-starter-motor-with-solenoid-direct-replace-450w-for-honda-clones","title":"YAMAKATO GX340\/GX390 Starter Motor with Solenoid — Direct-Replace 450W for Honda \u0026 Clones","description":"\u003cp\u003e\u003cstrong\u003eYAMAKATO GX340\/GX390 starter motor with integrated solenoid is a direct-replacement electric starter designed to restore reliable push-button starts on compatible Honda and clone small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your generator, pressure washer, or replacement engine no longer cranks, this YAMAKATO starter motor delivers a compact, ready-to-install solution engineered for GX-series 338–459cc engines and many common clone units. It matches common OEM mounting patterns and electrical connections so installers can swap the unit with minimal modification. Note: rated output is 450W, which is appropriate for most generator and lawn-equipment applications but not for very high-demand starters such as some commercial pressure washers.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and models is this starter compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis starter is designed to fit Honda GX340 and GX390 platforms plus many aftermarket clone engines from popular manufacturers. Compatibility includes specific part numbers and a long list of engine displacements commonly used in generators and heavy-duty equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with Honda GX340, GX390 and clones (338cc–459cc ranges)\u003c\/li\u003e\n  \u003cli\u003eCommon clone brands: Predator, Champion, Generac, Duromax, Firman, Rato\u003c\/li\u003e\n  \u003cli\u003eCompatible with many generator models (CPE, GP series) and other utility engines\u003c\/li\u003e\n  \u003cli\u003eMatches listed OEM part numbers for straightforward replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm the replacement will fit my machine?\u003c\/h3\u003e\n\u003cp\u003eVerify fit by comparing mounting bolt pattern, electrical terminals, and physical dimensions against your existing starter. Confirm the listed compatible part numbers and engine model numbers to reduce the chance of mismatch.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare part numbers: SND0288, 31210-ZE3-013, 128000-3400, etc.\u003c\/li\u003e\n  \u003cli\u003eCheck mounting bolt spacing and shaft engagement against your old starter\u003c\/li\u003e\n  \u003cli\u003eEnsure the engine displacement and brand align with the compatibility list\u003c\/li\u003e\n  \u003cli\u003eConfirm starter voltage and solenoid terminal arrangement match your wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and limitations should I expect from this starter?\u003c\/h3\u003e\n\u003cp\u003eThe unit delivers about 450 watts of actual power—suitable for most consumer and industrial small engines but not intended for oversized starter demands. It includes a built-in solenoid and is packaged ready for installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated output: approximately 450W, adequate for most generators and engines listed\u003c\/li\u003e\n  \u003cli\u003eIncludes integrated solenoid to simplify wiring and installation\u003c\/li\u003e\n  \u003cli\u003eNot recommended for very high-power applications like some commercial pressure washers\u003c\/li\u003e\n  \u003cli\u003eSupplied as a single starter motor with solenoid in the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how is the quality assured?\u003c\/h3\u003e\n\u003cp\u003eThe product ships as a single starter motor assembled with its solenoid and packaged by YAMAKATO to their 3A quality standard. The listing provides multiple cross-reference part numbers so you can check against OEM and aftermarket catalogs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contents: 1 x starter motor with solenoid in box\u003c\/li\u003e\n  \u003cli\u003eYAMAKATO 3A quality standard for durability and fitment consistency\u003c\/li\u003e\n  \u003cli\u003eCross-reference part numbers included for verification before purchase\u003c\/li\u003e\n  \u003cli\u003eIntended for use with generators, engines and equipment listed in compatibility notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This starter motor is aimed at DIY mechanics, small-engine repair shops, fleet maintenance teams, and equipment owners who need a cost-effective, drop-in replacement for Honda GX340\/GX390 and common clone engines. Choose this unit if you require an integrated solenoid, OEM-style mounting, and compatibility with popular generator and utility engine models—but avoid it if your application requires a higher-wattage starter for unusually large or high-draw engines.\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: Can this starter replace OEM Honda part 31210-ZE3-013?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this YAMAKATO unit cross-references part numbers including 31210-ZE3-013 for direct replacement compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 450W power rating sufficient for my generator?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most generators and standard GX340\/GX390 engines are fine with 450W, but avoid use on very high-draw starters like some commercial pressure washers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YAMAKATO","offers":[{"title":"Default Title","offer_id":48081332338846,"sku":"B0BZP3FBG5","price":66.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yamakato-starter-front-view.jpg?v=1785799539","url":"https:\/\/northtrailauto.ca\/products\/yamakato-gx340-gx390-starter-motor-with-solenoid-direct-replace-450w-for-honda-clones","provider":"North Trail Auto","version":"1.0","type":"link"}