{"product_id":"lifetime-warranty-16620z8d305-thermo-wax-assembly-16600z8b900-choke-control-for-honda-gcv160-gcv160a0-gcv160la0-gcv190-hrx217-hrr216-lawn-mower-engine-parts-with-16950z0y003-fuel-shutoff-valve","title":"Honda Auto Choke Kit 16620-Z8D-305 - for GCV160 GCV160A0 GCV160LA0 GCV190 HRX217 HRR216 Lawn Mower Engine","description":"\u003ch2\u003e16620-Z8D-305 Thermo Wax, 16600-Z8B-900 Choke Control, and 16950-Z0Y-003 Fuel Valve Kit\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete automatic choke restoration kit designed to regulate engine startup behavior based on operating temperature.\u003c\/li\u003e\n\u003cli\u003eThermo wax assembly utilizes precise thermal expansion properties to actuate the carburetor choke valve automatically without manual user adjustment.\u003c\/li\u003e\n\u003cli\u003eMechanical choke control linkage plate ensures crisp, unhindered movement of the choke butterfly valve.\u003c\/li\u003e\n\u003cli\u003eIn-line fuel shut-off valve features a fuel-resistant internal seal to completely cut off fuel supply during storage, maintenance, or transportation.\u003c\/li\u003e\n\u003cli\u003eEngineered to factory specifications to eliminate hard starting, rough idling, and black exhaust smoke caused by improper air-fuel ratios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e16620-Z8D-305 - Thermo Wax Assembly:\u003c\/strong\u003e 16620-Z8D-305, 16620-Z8D-841, 16620-Z8D-842, 16620-Z9L-003\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e16600-Z8B-900 - Choke Control:\u003c\/strong\u003e 16600-Z8B-900\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e16950-Z0Y-003 - Fuel Shut-Off Valve:\u003c\/strong\u003e 16950-Z0Y-003\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Honda four-stroke overhead cam small engines.\u003c\/li\u003e\n\u003cli\u003eFits specific engine models including: GCV160, GCV160A0, GCV160LA0, and GCV190.\u003c\/li\u003e\n\u003cli\u003eFits Honda walk-behind lawn mower models including: HRR216 and HRX217.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe lawn mower engine is extremely difficult to start from a cold rest or bogs down immediately after cranking.\u003c\/li\u003e\n\u003cli\u003eThe choke plate stays permanently closed or open, leading to fuel flooding or an overly lean running condition.\u003c\/li\u003e\n\u003cli\u003eThe thermo wax actuator cylinder pin is seized, bent, or fails to extend as the engine reaches operating temperature.\u003c\/li\u003e\n\u003cli\u003eFuel continuously drips from the body of the fuel petcock switch or bypasses the valve when turned to the off position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect the spark plug wire and allow the engine to cool down completely before handling fuel or mechanical linkages.\u003c\/li\u003e\n\u003cli\u003eClamp the main fuel lines using line-clamping pliers or drain the gasoline tank entirely into an approved container before swapping the fuel shut-off valve.\u003c\/li\u003e\n\u003cli\u003eTake a digital photograph of the return spring and choke linkage orientation prior to disassembly to ensure accurate reinstallation alignment.\u003c\/li\u003e\n\u003cli\u003eEnsure the thermo wax capsule sits completely flush within its designated mounting bracket slot on the engine assembly to prevent binding.\u003c\/li\u003e\n\u003cli\u003eManually cycle the choke control mechanism after final bolt tightening to verify the linkages move smoothly through their full range of motion.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46798280786109,"sku":"AZ00679527","price":27.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00679527_1.jpg?v=1778494930","url":"https:\/\/bluestarsparts.com\/products\/lifetime-warranty-16620z8d305-thermo-wax-assembly-16600z8b900-choke-control-for-honda-gcv160-gcv160a0-gcv160la0-gcv190-hrx217-hrr216-lawn-mower-engine-parts-with-16950z0y003-fuel-shutoff-valve","provider":"BlueStars Parts","version":"1.0","type":"link"}