{"product_id":"tbparts-186cc-big-bore-kit-64mm-honda-grom-monkey-2014-2021","title":"TBParts 186cc Big Bore Kit (64mm) – Honda Grom \u0026 Monkey (2014–2021)","description":"\u003cp\u003e\u003cstrong\u003eNOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. Intended for closed-course competition and off-road use only.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIMPORTANT: This kit fits 2021 and older Grom \u0026amp; Monkey models only. It is NOT compatible with the 2022+ models — the engine was redesigned for that generation.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eTBParts 186cc Big Bore Kit (64mm) – Honda Grom \u0026amp; Monkey (2014–2021)\u003c\/h2\u003e\u003cp\u003eThe biggest bore kit available for the Honda Grom and 1st Gen Monkey — and it requires zero case machining. The TBParts 186cc kit pairs a ceramic-coated all-aluminum 64mm cylinder with a lightweight high-compression piston to deliver a dramatic power increase and make your bike a lot more fun to ride.\u003c\/p\u003e\u003cp\u003eThe ceramic-coated aluminum cylinder is lighter than a steel-sleeved alternative, reduces friction for more power, improves sealing, and transfers heat more efficiently. High quality parts, real results, bolt-on installation.\u003c\/p\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCeramic-coated all-aluminum 64mm cylinder (no steel sleeve)\u003c\/li\u003e\n\u003cli\u003eLightweight 64mm piston with rings, pin \u0026amp; clips\u003c\/li\u003e\n\u003cli\u003eHead gasket kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWithout Oil Cooler\u003c\/strong\u003e — Big bore kit only (TBW9150)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Oil Cooler\u003c\/strong\u003e — Big bore kit + oil cooler for thermal management (TBW9154)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Oil Cooler \u0026amp; Camshaft\u003c\/strong\u003e — Full performance package with oil cooler and performance cam (TBW9183)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTuning Requirements\u003c\/h3\u003e\u003cp\u003eAn aftermarket fuel controller is required to prevent a lean condition and potential engine damage. Professional installation is recommended.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHonda Grom OG (2014–2015)\u003c\/li\u003e\n\u003cli\u003eHonda Grom SF (2017–2020)\u003c\/li\u003e\n\u003cli\u003eHonda Monkey 1st Gen (2018–2021)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNOT compatible with 2022+ Grom or Monkey\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TBParts","offers":[{"title":"Without Oil Cooler","offer_id":42933679980785,"sku":"TBW9150","price":274.99,"currency_code":"USD","in_stock":false},{"title":"With Oil Cooler","offer_id":42933677195505,"sku":"tbw9154","price":434.99,"currency_code":"USD","in_stock":false},{"title":"With Oil Cooler and Camshaft","offer_id":43115702255857,"sku":"TBW9183","price":510.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/products\/tbparts-2014-2020-grom-without-oil-cooler-tb-186cc-big-bore-kit-2014-2020-grom-1st-gen-monkey-tbw9150-79980785-29954941124849.jpg?v=1773628653","url":"https:\/\/howlingmoto.com\/products\/tbparts-186cc-big-bore-kit-64mm-honda-grom-monkey-2014-2021","provider":"Howling Moto","version":"1.0","type":"link"}