{"product_id":"kiro-seeu-high-pressure-radiator-cap-with-temperature-gauge-1-8-bar-oem-fit-for-honda-cr-crf-trx-models","title":"Kiro\u0026Seeu High-Pressure Radiator Cap with Temperature Gauge — 1.8 bar, OEM-fit for Honda CR\/CRF\/TRX models","description":"\u003cp\u003e\u003cstrong\u003eKIRO\u0026amp;SEEU's 1.8 bar high-pressure radiator cap with integrated temperature gauge upgrades cooling system control for compatible Hon-da motorcycles and ATVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement radiator cap combines a higher spring pressure rating with a built-in temp gauge to help maintain stable coolant pressure and let you monitor coolant temperature at a glance. It’s made to match OEM neck dimensions and works with a broad list of Hon-da models across CR, CRF, XR and TRX lines so you can swap a worn or plain cap for added resilience and useful feedback while riding.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Hon-da models will this radiator cap fit?\u003c\/h3\u003e\n\u003cp\u003eThe cap is designed to fit many Hon-da off-road and utility models produced across several years. It accommodates OEM-style radiator necks commonly used on motocross bikes and ATVs listed below.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCR series: CR125R (1981–2007), CR250R (1981–2007), CR500R (1984–2001)\u003c\/li\u003e\n  \u003cli\u003eCR\/CRF small-displacement and youth models: CR80R (1983–2002), CR85R (2003–2007), CRF(150)R (2007–2009, 2012–2019)\u003c\/li\u003e\n  \u003cli\u003eCRF and XR: CRF250L (2013–2017), CRF250R (2004–2019), CRF450R (2002–2019), XR650R (2000–2007)\u003c\/li\u003e\n  \u003cli\u003eATV\/utility: TRX450R (2004–2009), TRX450ER (2006–2014), Rancher 420 (2007–2018)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does a 1.8 bar cap affect cooling performance?\u003c\/h3\u003e\n\u003cp\u003eHigher cap pressure raises the coolant boiling point, allowing the system to operate at higher temperatures without vapor lock. That can benefit heavy-use scenarios where the engine runs hot, though exact effects depend on the rest of the cooling system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1.8 bar spring increases system pressure compared with lower-pressure caps\u003c\/li\u003e\n  \u003cli\u003eHigher boiling point helps prevent steam pockets under load\u003c\/li\u003e\n  \u003cli\u003ePreserves coolant flow by reducing cavitation risk in hot conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the integrated temperature gauge tell me while riding?\u003c\/h3\u003e\n\u003cp\u003eThe cap’s temperature readout gives a quick visual cue about coolant temperature so you can notice overheating trends sooner. It’s not a replacement for a full dash sensor, but it’s handy for pre-ride checks and monitoring during strenuous runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick glance indicator for coolant temperature\u003c\/li\u003e\n  \u003cli\u003eHelps identify rising temperatures before dashboard alerts\u003c\/li\u003e\n  \u003cli\u003eUseful for trail riding, hard-packed laps, and towing situations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation simple and what should I watch for?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same twist-and-lock motion as most pressurized radiator caps; remove the old cap only when the system is cool. Make sure the radiator neck and sealing surfaces are clean and compatible before tightening to ensure a secure seal and accurate gauge contact.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall only when engine and coolant are cool to avoid burns\u003c\/li\u003e\n  \u003cli\u003eClean the radiator neck sealing surface prior to fitting\u003c\/li\u003e\n  \u003cli\u003eVerify mechanical fit with your model’s radiator neck diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Riders and mechanics who own compatible Hon-da motocross bikes or ATVs and want a robust replacement cap with a higher pressure rating and visible coolant temperature feedback. It’s aimed at off-road racers, trail riders, and utility-vehicle owners who need reliable cooling under stress and prefer an easy, OEM-style swap that also adds a simple temperature indicator.\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 this cap fit my Hon-da CRF450R?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the cap is compatible with CRF450R models from 2002 through 2019, provided the radiator neck matches OEM dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this cap while the engine is hot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — always wait for the engine and coolant to cool to avoid burns and ensure a proper seal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kiro\u0026Seeu","offers":[{"title":"Default Title","offer_id":67595471782073,"sku":"B09V1MCW2D","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/kiroseeu-cap-front-view.jpg?v=1790587969","url":"https:\/\/redleafauto.ca\/products\/kiro-seeu-high-pressure-radiator-cap-with-temperature-gauge-1-8-bar-oem-fit-for-honda-cr-crf-trx-models","provider":"Redleaf Auto","version":"1.0","type":"link"}