{"product_id":"tb-parts-149cc-big-bore-injector-2022-grom-monkey125","title":"TB Parts 149cc Big Bore \u0026 Injector - 2022+ Grom\/Monkey125","description":"\u003ch5\u003eTB 149cc Big Bore \u0026amp; Injector – 2022+ Grom\/Monkey125\u003c\/h5\u003e\n\u003cp\u003eTBparts 149cc big bore kit \u0026amp; injector for the 2022+ Honda Grom\/Monkey 125. This will make your motorcycle a lot more fun to ride by adding some much needed power. With the larger bore, this bolt-on upgrade kit will give you more power and higher compression for a very reasonable price. This kit does not require boring of the case – simply bolt on, tune (Not included) and go!! This is an ideal option if you’re looking to add some power or you just need a new cylinder, piston, and rings to rebuild your engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh quality, Forged, high compression 55mm piston,\u003c\/strong\u003e with rings, pin, \u0026amp; clips\u003c\/li\u003e\n\u003cli\u003e11.8:1 compression ratio compared to Stock 10:1. Our 11.8:1 piston is \u003cb\u003e\u003cstrong\u003epump 91+ octane gas friendly.\u003c\/strong\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003eAluminum cylinder with steel sleeve (55mm)\u003c\/li\u003e\n\u003cli\u003eHead gasket kit with exhaust gasket!\u003c\/li\u003e\n\u003cli\u003eFits all 2022+ Honda Grom\/Monkey 125\u003c\/li\u003e\n\u003cli\u003eLargest bore you can go without boring the cases\u003c\/li\u003e\n\u003cli\u003eMore power and fun at an affordable price\u003c\/li\u003e\n\u003cli\u003eClearance to retain factory piston oil squirter\u003c\/li\u003e\n\u003cli\u003eEasy bolt-on kit\u003c\/li\u003e\n\u003cli\u003e+4 HP! More gains if you have a performance Exhaust and Intake\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eincludes Honda PCX150 injector. Larger than stock injector for use with all Honda Grom and Monkey 125. Tuning required\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThere are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend having a professional technician install this kit or, at a minimum, purchasing the shop manual for your bike. We also have a link on our website in the INFO section under Honda where you can find additional info. The parts are installed in the same manner as the OEM parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThese bore kits are only for the 2022 and newer models (will not work on the 2021 and older models as the engine has been redesigned)\u003c\/li\u003e\n\u003cli\u003eA performance intake and exhaust is recommended if you want to get the most power possible! (Not necessary)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Required – \u003c\/strong\u003eThe ECU will require a flash\/tune to prevent a lean condition and possible damage to your engine. CJR Performance (cameronjonesracing.com) provides this service and can also adjust the tune based on your other modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product is legal for closed-course competition use only; for racing vehicles (a competition vehicle not used on public highways). Intended for off-road use or race purposes; may not meet regulations of pollution controlled roads or highways. Not legal for vehicles registered and use in California.\u003c\/p\u003e","brand":"TB Parts","offers":[{"title":"Default Title","offer_id":55859738771529,"sku":"TBW9357","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0156\/4914\/4880\/files\/9357.jpg?v=1785461461","url":"https:\/\/www.perfectstrangerdesigns.com\/products\/tb-parts-149cc-big-bore-injector-2022-grom-monkey125","provider":"Perfect Stranger Designs","version":"1.0","type":"link"}