{"product_id":"yamakato-gxv610-gxv620-ignition-coil-set-for-honda-v-twin-engines-left-right-coils-with-air-gap-gauge","title":"YAMAKATO GXV610 GXV620 Ignition Coil Set for Honda V-twin Engines — Left \u0026 Right Coils with Air-Gap Gauge","description":"\u003cp\u003e\u003cstrong\u003eYAMAKATO’s GXV610\/GXV620 ignition coil set replaces both left and right coils for affected Honda and compatible V-twin engines and includes an air-gap gauge for correct installation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your GXV610, GXV620 or similar V-twin engine is misfiring, hard to start, or has poor spark timing, worn ignition coils are a common culprit. This YAMAKATO kit supplies two high-quality coil assemblies designed to match OEM mounting and electrical connections for a range of mower, tractor and generator applications. The package lists compatible part numbers and includes an air-gap tool so you can set the coil gap to specification before first use.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and machines will this coil set fit?\u003c\/h3\u003e\n\u003cp\u003eThese coils are built to replace the left and right ignition coils on several Honda GX series engines and many compatible aftermarket engines. They fit GXV610, GXV620 and GXV670 V-twin platforms and are commonly used in commercial mowers, garden tractors and portable generators.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Honda GX 610 (18 HP), GX 620 (20 HP), GX 670 (24 HP)\u003c\/li\u003e\n  \u003cli\u003eFits mower models HRC7018, HRC7020 and related tractor and generator units\u003c\/li\u003e\n  \u003cli\u003eWorks with Predator\/Rato 670cc generator engines on certain RP\/12000-class units\u003c\/li\u003e\n  \u003cli\u003eCross-references many OEM numbers listed in the product details\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm these coils will replace my current parts?\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, compare the physical mounting, the stop-wire orientation and the electrical connector locations to your existing coils. There are multiple coil designs for the same engine families, so visual confirmation prevents purchasing the wrong type.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare mounting hole spacing and overall coil footprint\u003c\/li\u003e\n  \u003cli\u003eCheck stop wire terminal orientation against product photos\u003c\/li\u003e\n  \u003cli\u003eVerify the listed replacement part numbers match your OEM references\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the YAMAKATO coil kit and how do I install it?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes one left coil, one right coil and an air-gap gauge to set the correct distance between coil and flywheel. Installation follows standard ignition coil replacement procedures: disconnect battery, remove old coils, set the new coil in place, adjust the air gap and secure wiring as shown in your service manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes: 1x left coil assembly, 1x right coil assembly, 1x air-gap gauge\u003c\/li\u003e\n  \u003cli\u003eAir-gap tool helps achieve correct specification for consistent spark\u003c\/li\u003e\n  \u003cli\u003eUse OEM torque specs and double-check stop-wire routing before starting engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there any compatibility cautions or exceptions?\u003c\/h3\u003e\n\u003cp\u003eYes. Not every GXV610\/GXV620 engine uses the same coil type; one specific variant (30550-ZJ1-023) is different and is not compatible with this kit. Inspect the product images and measure mounting dimensions if you have any doubt about match-up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNOT compatible with part number 30550-ZJ1-023\u003c\/li\u003e\n  \u003cli\u003eDouble-check mounting size and connector orientation before purchase\u003c\/li\u003e\n  \u003cli\u003eIf unsure, compare photos and OEM numbers from your engine's service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This YAMAKATO ignition coil set is intended for mechanics, landscapers and do-it-yourself owners who maintain Honda GX-series and compatible V-twin engines on commercial mowers, tractors and portable generators. It’s best for users who can safely perform ignition work or who have access to basic tools and a service manual; the included air-gap gauge makes it suitable for accurate setup and reliable engine performance after replacement.\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: Do these coils fit Honda GXV620 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the set is designed for GXV620 and similar GXV610\/GXV670 V-twin engines when the mounting and terminal orientation match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the incompatible part 30550-ZJ1-023 included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, this kit is NOT compatible with part number 30550-ZJ1-023; verify part numbers and mounting before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YAMAKATO","offers":[{"title":"Default Title","offer_id":48086708912286,"sku":"B0BZP312PC","price":54.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yamakato-coil-front-assemblies.jpg?v=1785902431","url":"https:\/\/northtrailauto.ca\/products\/yamakato-gxv610-gxv620-ignition-coil-set-for-honda-v-twin-engines-left-right-coils-with-air-gap-gauge","provider":"North Trail Auto","version":"1.0","type":"link"}