{"product_id":"johntruck-valve-clearance-adjustable-wrench-set-2pc-3mm-tappet-9mm-lock-nut-heat-treated-steel-rubber-grip","title":"johntruck Valve Clearance Adjustable Wrench Set — 2PC (3mm tappet \u0026 9mm lock nut), heat-treated steel, rubber grip","description":"\u003cp\u003e\u003cstrong\u003ejohntruck’s 2-piece valve clearance adjustable wrench set gives you a compact, durable kit to accurately adjust tappets and lock nuts on GY6 scooters, motorcycles and ATVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you service small engines, keeping valve clearances correct prevents stray noise and helps engines run smoothly. This set includes a 3mm tappet knurling square-hole adjuster plus a 9mm lock nut wrench built for screw-type adjusters found on many Chinese scooters and small-displacement motorcycle engines. Each tool is heat-treated, chromed for corrosion resistance and fitted with a rubber grip so you can work in tight spaces without losing control.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this set fit my scooter or ATV?\u003c\/h3\u003e\n\n\u003cp\u003eThe johntruck tools are made for screw-style tappet adjusters commonly used on GY6 QMB139 50cc and 150cc engines and many other small-displacement platforms. They suit machines with a dedicated 3mm tappet adjuster and a 9mm lock nut.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Chinese scooters, ATVs and karts using screw-type valve adjusters.\u003c\/li\u003e\n  \u003cli\u003eWorks with brands such as Honda, TaoTao, WOLF, Roketa, Jonway and similar models.\u003c\/li\u003e\n  \u003cli\u003eCompact profile fits into cramped valve covers and shallow engine bays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these tools durable and easy to use?\u003c\/h3\u003e\n\n\u003cp\u003eEach piece is manufactured from high-strength steel, heat-treated to resist bending and chromed to limit rust and corrosion. The lock nut wrench and tappet adjuster are slim and lightweight so they won’t clutter your toolbox, while the rubberized handle improves grip when fingers are greasy or wet.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated steel for better wear resistance and longevity.\u003c\/li\u003e\n  \u003cli\u003eChrome finish for corrosion protection and easy cleaning.\u003c\/li\u003e\n  \u003cli\u003eComfortable black rubber handle for non-slip control in tight spots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the 3mm tappet adjuster and 9mm wrench together?\u003c\/h3\u003e\n\n\u003cp\u003eFirst insert the 3mm tappet adjuster into the tappet screw’s square hole to rotate the clearance setting. Hold the adjuster in position while using the 9mm lock nut wrench to tighten the lock nut. This two-tool method prevents the adjuster from slipping and preserves your chosen clearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInsert the 3mm adjuster into the square tappet screw and set clearance.\u003c\/li\u003e\n  \u003cli\u003eUse the 9mm wrench to secure the lock nut without rotating the adjuster.\u003c\/li\u003e\n  \u003cli\u003eRecheck clearance after tightening to ensure accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this set help with regular maintenance and repairs?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the johntruck duo is designed to simplify routine valve checks and quick repairs. Its small size makes it ideal for roadside adjustments and periodic engine maintenance where larger tools won’t reach.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for periodic valve clearance checks and adjustments.\u003c\/li\u003e\n  \u003cli\u003eLightweight and portable for field or shop use.\u003c\/li\u003e\n  \u003cli\u003eSaves time compared with improvised or oversized tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 2-piece johntruck set is tailored to home mechanics, scooter and ATV owners, small repair shops, and anyone working on GY6-based engines or similar screw-adjust valve systems. If you need a durable, affordable tool that fits confined engine compartments and reliably secures tappet settings, this kit is a practical addition to your maintenance gear.\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: Will these wrenches fit a GY6 150cc engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The set is designed for GY6 QMB139 50cc and 150cc engines with screw-type tappet adjusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the tools rust-resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are heat-treated and chromed to resist rust and corrosion during regular use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"johntruck","offers":[{"title":"Default Title","offer_id":55163101741399,"sku":"B09PY99XB8","price":34.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/johntruck-front-view-tools.jpg?v=1790341371","url":"https:\/\/britishgarage.co.uk\/products\/johntruck-valve-clearance-adjustable-wrench-set-2pc-3mm-tappet-9mm-lock-nut-heat-treated-steel-rubber-grip","provider":"British Garage","version":"1.0","type":"link"}