{"product_id":"chern-yueh-3-position-chrome-ignition-main-switch-for-1977-harley-71425-77-oem-replacement-with-two-keys","title":"Chern Yueh 3-Position Chrome Ignition Main Switch for 1977+ Harley 71425-77 OEM Replacement with Two Keys","description":"\u003cp\u003e\u003cstrong\u003eChern Yueh's chrome 3-position ignition main switch (OEM 71425-77 replacement) is a direct-fit ignition switch for many 1977-up Harley-Davidson Sportster, Evolution and Softail motorcycles, supplied with two keys for convenient installation and use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty ignition main switch is manufactured in Taiwan and engineered as a practical replacement for worn or missing original switches on classic Harleys. Designed with three rear terminals and a 3\/4\" diameter mounting slot, it supports common wiring configurations — Off, On, and On with Lights — and works well for OE restorations or custom electrical setups.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Harley models and years will this ignition switch fit?\u003c\/h3\u003e\n\u003cp\u003eThe switch is compatible with a wide range of Harley-Davidson models from late 1970s through the 1990s. It fits FXS and FXS-80 (1977–1985), FX (1975–1985), FXR (1982–1994), and XL Sportster (1979–1993) model families when the bike accepts the 3\/4\" diameter ignition slot.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect OEM replacement for part number 71425-77.\u003c\/li\u003e\n  \u003cli\u003eWorks with many Sportster, FX and FXR-era frames and consoles.\u003c\/li\u003e\n  \u003cli\u003eVerify mounting hole size and terminal layout before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this switch wired and what electrical positions are available?\u003c\/h3\u003e\n\u003cp\u003eThe switch has three rear terminals arranged to support standard motorcycle ignition wiring. It’s easily configured for basic Off and On functions, with an additional On-and-Lights position for accessories or original lighting circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3 rear terminals for ignition and accessory feeds.\u003c\/li\u003e\n  \u003cli\u003eCommon wiring options: Off, On, and On with Lights.\u003c\/li\u003e\n  \u003cli\u003eCan be adapted for custom harnesses or aftermarket accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eEach unit ships with two cut-to-fit keys and the chrome-plated ignition body ready for mounting. Installation is straightforward for anyone comfortable with basic motorcycle wiring and dashboard removal; no special tools are required beyond typical hand tools and wire connectors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes two matching keys for spare convenience.\u003c\/li\u003e\n  \u003cli\u003eChrome finish for classic restoration appearance.\u003c\/li\u003e\n  \u003cli\u003eSimple bolt-in replacement for standard 3\/4\" slot installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this a quality replacement and where is it made?\u003c\/h3\u003e\n\u003cp\u003eThis ignition switch is produced in Taiwan and intended as a high-quality aftermarket alternative to aging OEM parts. It’s built to meet common fitment and function expectations for vintage Harley maintenance and customization projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured in Taiwan (not made in China).\u003c\/li\u003e\n  \u003cli\u003eBuilt to replace the original 71425-77 OEM switch.\u003c\/li\u003e\n  \u003cli\u003eChrome plating to match factory styling on restored bikes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Chern Yueh 3-position chrome ignition switch is aimed at vintage Harley owners, restoration shops, and custom builders who need a reliable, period-correct replacement part. It’s ideal if you’re restoring a late-70s to early-90s Sportster, FX, FXR or FXS model or updating electrical components during customization work. Verify your bike’s ignition slot diameter and terminal layout to ensure compatibility before ordering.\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 replace OEM part 71425-77?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s designed as a direct replacement for OEM 71425-77 and fits compatible Harley models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are keys included with the switch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the switch ships with two matching keys for immediate use and a spare.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Chern Yueh","offers":[{"title":"Default Title","offer_id":55166239801687,"sku":"B07GFBNSQX","price":36.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/chern-yueh-chrome-ignition-switch-front-view.jpg?v=1790365534","url":"https:\/\/britishgarage.co.uk\/products\/chern-yueh-3-position-chrome-ignition-main-switch-for-1977-harley-71425-77-oem-replacement-with-two-keys","provider":"British Garage","version":"1.0","type":"link"}