{"title":"Pit Bike Bottom End Parts \u0026 Gaskets","description":"\u003cdiv class=\"category-top-desc\"\u003e\n\u003cp\u003eBottom end gasket kits \u0026amp; engine seals for Honda CRF50, XR50, CT70 \u0026amp; Chinese pit bikes\u003c\/p\u003e\n\u003cp\u003eComplete gasket sets for bottom end rebuilds on 50cc \u0026amp; 70cc pit bike engines\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"52mm-head-gasket-kit-for-honda-50-88cc-108cc-big-bore-engines","title":"52mm Head Gasket Kit for Honda 50 88cc-108cc Big Bore Engines","description":"\n\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Head Gasket Kit for Honda CRF50F, XR50R, Z50 , CRF70R, XR70R with 52mm big bore kit and up to 108cc stroker crank (88cc-108cc) Installed \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eComplete Head Gasket Kit for Honda Pit Bikes with 88cc - 108cc Big Bore Engines. This gasket set will work with all honda 50 \/70 stud pattern type, including Chinese clones with 52mm piston. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e Pit Bikes with 88-108cc Big Bore Kit Installed:\u003cbr\u003e- Z50\u003cbr\u003e- XR50R\u003cbr\u003e- CRF50F\u003cbr\u003e- XR70R\u003cbr\u003e- CRF70R\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCHINESE\u003c\/strong\u003e:\u003cbr\u003e- Piranha 90cc\u003cbr\u003e- Pitster Pro 90cc \u003cbr\u003e- SSR 90cc\u003cbr\u003e- GPX 90cc\u003cbr\u003e- XTREME 107 and 124 \u003cbr\u003e- Sikk mx 107\u003cbr\u003e- Lifan 86-107\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236486553857,"sku":"5402","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/3370.jpg?v=1780777974"},{"product_id":"47mm-head-gasket-kit-with-clutch-gaskets-for-honda-70-lifan","title":"47mm Head Gasket Kit with Clutch Gaskets for Honda 70 \u0026 Lifan","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing 47mm Head Gasket and Clutch Gasket Kit for 70cc Pit Bikes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eOEM quality head gasket kit, for 70cc Lifan and Honda Pit Bikes with 47mm piston. Use for an engine rebuild or keep in the garage for spare parts, this a great kit to have on hand.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCompatible with the following:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e- CT70 1970-1994\u003cbr\u003e- XR70R 1997-2003\u003cbr\u003e- CRF70F 2004-2012\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCHINESE\u003c\/strong\u003e:\u003cbr\u003eLifan 70cc Engines (lots of kids ATVs, and Chinese Pit Bikes use this engine)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236486684929,"sku":"5400","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/3371.jpg?v=1780777989"},{"product_id":"54mm-head-gasket-kit","title":"54mm Head gasket kit","description":"\u003cp\u003e\u003cstrong\u003e54mm (117cc) Head gasket kit. This is a complete top end gasket kit that also includes exhaust gasket. \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236487274753,"sku":"5401","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/3384.jpg?v=1780778166"},{"product_id":"oil-seal-kit-50cc-gy6-engine-39mm-bore","title":"Oil Seal Kit 50cc GY6 Engine - 39mm Bore","description":"\u003cp\u003e\u003cstrong\u003eScooterX Replacement Oil Seals for 50cc GY6 Enginese with 39mm Cylinder Bore\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Brand new oil seals for 50cc GY6 engines. These motors are commonly used in gas scooters, go karts, dune buggies, pocket bikes, and more. Fits 39mm bore, 50cc size GY6 engines. See below for dimensions:\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e - (2) 30mm OD x 16mm ID x 5mm W\u003cbr\u003e - (1) 42mm OD x 27mm ID x 7mm W\u003cbr\u003e - (1) 30mm OD x 16mm ID x 6mm W\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCOMPATIBLE WITH THE FOLLOWING:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Baja\u003cbr\u003e - SC50\u003cbr\u003e\u003cbr\u003e Bintelli\u003cbr\u003e - Breeze 50\u003cbr\u003e - Sprint 50\u003cbr\u003e\u003cbr\u003e Panterra\u003cbr\u003e - Freedom 50\u003cbr\u003e - Fusion 50\u003cbr\u003e - Retro 50\u003cbr\u003e\u003cbr\u003e Roketa\u003cbr\u003e - All 50cc Scooter Models\u003cbr\u003e\u003cbr\u003e Schwinn\u003cbr\u003e - Hope 50\u003cbr\u003e - Laguna 50\u003cbr\u003e\u003cbr\u003e Twist N' Go\u003cbr\u003e - Venice 49cc\u003cbr\u003e - LS 49cc\u003cbr\u003e - Milano 50\u003cbr\u003e\u003cbr\u003e Wolf\u003cbr\u003e - Islander 50\u003cbr\u003e - Jet 50\u003cbr\u003e - Lucky 50\u003cbr\u003e - RX-50\u003cbr\u003e\u003cbr\u003e Will also many more unlisted makes\/models. Just make sure you have a 39mm bore GY6 engine and it will fit!\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236488225025,"sku":"4420","price":16.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/8859.jpg?v=1780778368"},{"product_id":"complete-gasket-kit-lifan-110cc-125cc-engines","title":"Complete Gasket Kit Lifan 110cc - 125cc Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing 52mm Gasket kit for 88cc, 110cc, and 125cc Lifan Engines - Pit Bikes, ATVs, Pocket Bikes, Go Karts, and Mini Choppers\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003cbr\u003e- 88cc-125cc engines using a 52mm cylinder\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236798832897,"sku":"4410","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/6675.jpg?v=1780790407"},{"product_id":"head-gaskets-47mm-70cc-lifan-and-honda-engines","title":"Head Gaskets 47mm 70cc Lifan and Honda Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing 47mm Head Gasket Kit for 70cc Pit Bikes\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e OEM quality head gasket kit, for 70cc Lifan and Honda Pit Bikes with 47mm piston. Use for an engine rebuild or keep in the garage for spare parts, this a great kit to have on hand.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCompatible with the following:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e- CT70 1970-1994 \u003cbr\u003e- XR70R 1997-2003\u003cbr\u003e- CRF70F 2004-2012\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCHINESE\u003c\/strong\u003e:\u003cbr\u003e Lifan 70cc Engines (lots of kids ATVs, and Chinese Pit Bikes use this engine)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236798865665,"sku":"4402","price":10.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/8871.jpg?v=1780790422"},{"product_id":"full-gasket-kit-47mm-70cc-honda-and-lifan","title":"Full Gasket Kit  47mm 70cc Honda and Lifan","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing 47mm Full Gasket Kit for 70cc Lifan and Honda Engine Pit Bikes \/ ATVs\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eOEM quality full gasket kit for 70cc Lifan and Honda Pit Bikes with 47mm piston. There are many Taiwanese and Chinese companies that produce knockoffs of this engine. Commonly used on scooters, dirt bikes, mini choppers, ATV's, quads, go karts, and more. This kit contains every gasket you would need for a full overhaul.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCompatible with the following:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e- CT70 (1970-1994)\u003cbr\u003e- XR70R (1997-2003)\u003cbr\u003e- CRF70F (2004-2012)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCHINESE\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e- Lifan 70cc Engines (lots of kids ATVs, and Chinese Pit Bikes use this engine)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236799783169,"sku":"4404","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/5707.jpg?v=1780790447"},{"product_id":"bottom-end-case-gaskets-for-honda-xr50-crf50","title":"Bottom End Case Gaskets for Honda XR50, CRF50","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Bottom End Case Gaskets for 1992-up Honda 50 and Chinese clone engines\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Comes with left and right case gaskets. These will fit 1992-up Honda 50 bikes and most Chinese 50-110cc pit bikes with lifan or Honda based engines. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eHONDA\u003c\/strong\u003e:\u003cbr\u003e - XR50R (1992-Up)\u003cbr\u003e - CRF50F (1992-Up)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236799815937,"sku":"5405","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/3369.jpg?v=1780790460"},{"product_id":"52mm-head-and-clutch-gasket-kit-for-honda-88cc-108cc-big-bore-engines","title":"52mm Head and Clutch Gasket Kit for Honda 88cc-108cc Big Bore Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Head and Clutch Gasket Kit for Honda CRF50F, XR50R, Z50 , CRF70R, XR70R with 52mm big bore kit and up to 108cc Stroker crank (88cc-108cc) Installed\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e Complete Head and Clutch Gasket Kit for Honda Pit Bikes with 88cc - 108cc Big Bore Engines. This gasket set will work with all Honda 50 \/ 70 stud pattern type, including Chinese clones with 52mm piston. \u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eHONDA\u003c\/strong\u003e Pit Bikes with 88-108cc Big Bore Kit Installed:\u003cbr\u003e - Z50\u003cbr\u003e - XR50R\u003cbr\u003e - CRF50F\u003cbr\u003e - XR70R\u003cbr\u003e - CRF70R\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCHINESE\u003c\/strong\u003e:\u003cbr\u003e - Piranha 90cc\u003cbr\u003e - Pitster Pro 90cc\u003cbr\u003e - SSR 90cc\u003cbr\u003e - GPX 90cc\u003cbr\u003e - XTREME 107 and 124\u003cbr\u003e - Sikk mx 107\u003cbr\u003e - Lifan 86-107\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236800209153,"sku":"5404","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/3373.jpg?v=1780790474"},{"product_id":"full-gasket-kit-lifan-cg150-engines","title":"Full Gasket Kit Lifan CG150 Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Full Gasket Kit for Honda CG150 Based Engines\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e This is a full gasket kit for 150cc CG150 Engines. The original manufacturer was Honda, and now there are many Taiwanese and Chinese companies that produce knockoffs of this engine. Commonly used on scooters, dirt bikes, mini choppers, ATV's, quads, go-karts, and more. This kit contains every gasket you would need for a full overhaul.\u003cbr\u003e\u003cbr\u003e - Fits CG150 Engines made by Honda, Lifan, Cosmos, Kymco, Roketa, and all other manufacturers.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236800372993,"sku":"4411","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/5704.jpg?v=1780790487"},{"product_id":"full-gasket-kit-lifan-cg250-engines","title":"Full Gasket Kit Lifan CG250 Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Full Gasket Kit for Honda CG250 Based Engines\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis is a full gasket kit for 250cc CG250 Engines. The original manufacturer was Honda, and now there are many Taiwanese and Chinese companies that produce knockoffs of this engine. Commonly used on scooters, dirt bikes, mini choppers, ATV's, quads, go-karts, and more. This kit contains every gasket you would need for a full overhaul.\u003cbr\u003e\u003cbr\u003e- Fits CG250 Engines made by Honda, Lifan, Cosmos, Kymco, Roketa, and all other manufacturers.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236800766209,"sku":"4415","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/5705.jpg?v=1780790499"},{"product_id":"full-gasket-kit-lifan-cg200-engines","title":"Full Gasket Kit Lifan CG200 Engines","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Full Gasket Kit for Honda CG200 Based Engines\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis is a full gasket kit for 200cc CG200 Engines. The original manufacturer was Honda, and now there are many Taiwanese and Chinese companies that produce knockoffs of this engine. Commonly used on scooters, dirt bikes, mini choppers, ATV's, quads, go-karts, and more. This kit contains every gasket you would need for a full overhaul.\u003cbr\u003e\u003cbr\u003e- Fits CG200 Engines made by Honda, Lifan, Cosmos, Kymco, Roketa, and all other manufacturers.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236801224961,"sku":"4412","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/5706.jpg?v=1780790510"},{"product_id":"high-volume-oil-pump-vintage-honda-69-81-z50","title":"High Volume Oil Pump - Vintage Honda 69-81 Z50","description":"\u003cp\u003e\u003cstrong\u003eHigh Volume Oil Pump - Vintage Honda Z50\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e High volume oil pump for vintage Honda pit bikes and small ATVs. Delivers up to 3x the volume as the stock pump. We highly recommend upgrading your oil system when installing a big bore kit. Installation requires a 2mm drill-out of the oiling outlet.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003cbr\u003e - Z50 (1969-1981)\u003cbr\u003e - CT70 (Up to 1981)\u003cbr\u003e - SL70 (Up to 1981)\u003cbr\u003e - XL70 (Up to 1981)\u003cbr\u003e - ATC70 (Up to 1981)\u003cbr\u003e - TRX70 (Up to 1981)\u003cbr\u003e\u003cbr\u003e ** Note - Installation requires a 2mm drill-out of the oiling outlet.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236802208001,"sku":"5122","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/5091.jpg?v=1780790554"},{"product_id":"high-volume-oil-pump-honda-pit-bikes-1982-up","title":"High Volume Oil Pump - Honda Pit Bikes 1982-Up","description":"\n\u003cp\u003e\u003cstrong\u003e50 Caliber Racing High Volume Oil Pump - Honda Pit Bikes CRF50 XR50 CRF70 XR70\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eHigh volume oil pump for Honda 50cc Pit Bikes. Delivers up to 3 times the flow of the stock pump, which will help reduce wear and prolong the life of your engine. This pump is highly recommended when installing a big bore kit. Includes pump and gasket.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e:\u003cbr\u003e- Prolong the life of your engine\u003cbr\u003e- Recommended when installing big bore kit\u003cbr\u003e- Pump and gasket included\u003cbr\u003e- Delivers 3x the volume of stock pump\u003cbr\u003e- Requires 2mm drill out of oiling outlet\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFits the following Honda pit bikes:\u003c\/strong\u003e\u003cbr\u003e- Z50 (1982-1999)\u003cbr\u003e- CT70 (1982-1994)\u003cbr\u003e- XR50 (2000-2003)\u003cbr\u003e- CRF50 (2004-2023)\u003cbr\u003e- XR70 (1997-2003)\u003cbr\u003e- CRF70 (2004-2023)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Note:\u003c\/strong\u003e Installation requires 2mm drill out of oiling outlet\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":49236966998273,"sku":"5121","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8256\/3329\/files\/6695.jpg?v=1780803112"}],"url":"https:\/\/utvdude.com\/collections\/pit-bike-bottom-end-gasket-kits.oembed","provider":"UTV Dude","version":"1.0","type":"link"}