sku: 9789194842535762, brand: yamaha, mpn: 7yf-11611-00-00. (January 6th, 2026) sku: 9788555842535762, brand: yamaha, mpn: 278-11633-00-00. (January 6th, 2026) sku: 9787889072700891, bore - oversize: standard, bore oversize: standard, bore size: 3,498, bore size 2: 3.498, carb: may not be able to ship to ca or other states, compression ratio: 9.5:1, compression ratio 2: 9,5:1, displacement: 1200 cc, finish: chrome, graphics: reverse dome, skirt coated, piston material: aluminum, piston material 2: forged, piston size: standard, product name: rebuild kit, product type: piston, product type 2: piston kits components, stroke length: 3-13/16, style: reverse dome. (January 6th, 2026) sku: 9786919832136772, brand: yamaha, mpn: 4ex-11631-00-c0. (January 6th, 2026) sku: 9785696267579502, brand: wiseco, mpn: orwi-co421199-on. (January 6th, 2026) sku: 9784918267579502, brand: wiseco, mpn: orwi-co421201-on. (January 6th, 2026) sku: 9783635199500891, brand: wiseco, mpn: orwi-co421203-on. (January 6th, 2026) sku: 9782411539673633, brand: vertex, mpn: vtktc24717b, ipn: vtktc24717b, make: polaris, model: 900. (January 6th, 2026) sku: 9781853387349623, type: engine, country of origin: germany, manufacturer warranty: 1 year manufacturer warranty, california prop 65 warning: cancer and reproductive harm www.p65warnings.ca.gov, authorized dealer: yes, bore: 53.95mm, compatibility disclaimer: compatibility chart information provided by, global shipping: yes, free shipping item: yes, to contiguous us, see item description., height: 2.200, legal disclaimer: review your local laws before purchasing., photo disclaimer: for reference only, may differ from product&. (January 6th, 2026) sku: 9780444585637713, brand: wiseco, type: piston kits, mpn: mn/8ay7, compatible year: 1982 1981, compatible make: honda, compatible model: xr500r, bundle description: 1 pc genuine wiseco piston kits, core charge: free - no core charge, fitment type: direct replacement. (January 6th, 2026) sku: 9779495402765632, brand: wiseco, type: piston kits, mpn: mn/j5vn, compatible year: 1980 1979, compatible make: honda, compatible model: xr500, bundle description: 1 pc genuine wiseco piston kits, core charge: free - no core charge, fitment type: direct replacement. (January 6th, 2026) sku: 9778915585637713, brand: wiseco, type: piston kits, mpn: mn/39ny, compatible year: 1982, compatible make: honda, compatible model: xl500r, bundle description: 1 pc genuine wiseco piston kits, core charge: free - no core charge, fitment type: direct replacement. (January 6th, 2026) sku: 9777754183160861, california prop 65 warning: california proposition 65 warning: cancer and reproductive harm, mpn: 23850b, manufacturer warranty: 1 year, upc: 639853708346, brand: vertex. (January 6th, 2026) sku: 9776575585637713, brand: wiseco, type: piston kits, mpn: mn/512k, compatible year: 1983 1982, compatible make: honda, compatible model: ft500 ascot, bundle description: 1 pc genuine wiseco piston kits, core charge: free - no core charge, fitment type: direct replacement. (January 5th, 2026) sku: 9775255162261722, brand: namura, mpn: orna-ra416651-gs. (January 5th, 2026) sku: 9774746842535762, brand: yamaha, mpn: 4ew-11631-01-00. (January 5th, 2026) sku: 9773734280696603, brand: evergreen, type: piston kit, items included: piston rings, mpn: rs6046. (January 5th, 2026) sku: 9772501824847771, brand: honda, type: piston, items included: piston rings, wrist pin, mpn: 13101-mfj-a40, country of origin: japan, machine type: street motorcycle, performance part: no, vintage part: no. (January 5th, 2026) sku: 9771701137673633, brand: moose racing, mpn: mp4028, ipn: mp4028, make: kawasaki, suzuki. (January 5th, 2026) sku: 9770930223500891, machine type: off-road motorcycle, items included: piston as shown, piston rings, mpn: 13102-361-003, piston diameter: 56.20mm, material: aluminum alloy, vintage part: yes, engine type: 2-stroke, brand: honda, type: piston, unit type: unit, cylinder bore diameter: 56.25mm, country of origin: japan, performance part: no. (January 5th, 2026) sku: 9769403047596603, brand: suzuki, mpn: 12111-32e00-0f0. (January 5th, 2026) sku: 9768349335747771, brand: vertex, engine type: 2-stroke, type: piston, machine type: off-road motorcycle, mpn: 26620b, country of origin: italy. (January 5th, 2026) sku: 9767974137479502, size: 53.95mm, mpn: orp40009, brand: outlaw racing products, type: piston kit. (January 5th, 2026) sku: 9766349417854983, brand: namura technologies, mpn: nx-40097k, ipn: nx-40097k, make: yamaha, model: yz65, year: 2021, 2020, 2018. (January 5th, 2026) sku: 9765619592673633, brand: wsm, engine type: 4-stroke, type: piston kit, mpn: 3yf-11631-00-x0, piston diameter: 3.9 in. (January 5th, 2026) sku: 9764619277437713, brand: namura, mpn: fx-40045-bk. (January 5th, 2026) sku: 9763598843854983, brand: millennium technologies, mpn: k8897d500-2, ipn: k8897d500-2, make: polaris, model: 900. (January 5th, 2026) sku: 9762099539754983, brand: vertex, mpn: vtktc23510a, ipn: vtktc23510a, make: honda, model: crf250r, year: 2013, 2012, 2011, 2010. (January 5th, 2026) sku: 9761941199573633, brand: namura technologies, mpn: nx-70020-ck, ipn: nx-70020-ck, make: gas gas, husqvarna, ktm. (January 5th, 2026) sku: 9760664996754983, brand: namura technologies, mpn: nx-70050-ck, ipn: nx-70050-ck, make: ktm, model: 250. (January 5th, 2026) sku: 9759733867654983, brand: parts unlimited, mpn: 09-6884, ipn: 09-6884, make: arctic cat, model: 440. (January 5th, 2026) sku: 9758004866249623, type: engine, country of origin: united states, manufacturer warranty: 1 year manufacturer warranty, california prop 65 warning: cancer and reproductive harm www.p65warnings.ca.gov, authorized dealer: yes, bore: 87.92mm, compatibility disclaimer: compatibility chart information provided by, compression: standard compression, global shipping: yes, free shipping item: yes, to contiguous us, see item description., height: 4.200, legal disclaimer: review your local laws before purchasing., photo disclaimer: for. (January 5th, 2026) sku: 9757080374470741, brand: prox, mpn: 16.950013, type: auto, upc: 193564460004. (January 5th, 2026) sku: 9756866123337713, brand: vertex, type: piston kits, mpn: mn/8y7b, compatible year: 2020 2019 2018 2017 2016 2015 2014 2013 2012, compatible make: honda, compatible model: crf150r, bundle description: 1 pc genuine vertex piston kits, core charge: free - no core charge, fitment type: direct replacement. (January 5th, 2026) sku: 9755162016573633, brand: vertex, type: piston ring set, mpn: mn/nz95, compatible year: 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008, compatible make: ktm, compatible model: 65 sx, bundle description: 1 pc genuine vertex piston ring set, core charge: free - no core charge, fitment type: direct replacement. (January 4th, 2026) sku: 9754223402249623, brand: wiseco, type: piston kit, machine type: off-road motorcycle, items included: piston rings, wrist pin, mpn: 551p4, location: njpb pistons. (January 4th, 2026) sku: 9753946502249623, brand: wiseco, type: piston kit, machine type: off-road motorcycle, items included: piston rings, wrist pin, mpn: 558p2, location: njpb pistons. (January 4th, 2026) sku: 9752344952565632, brand: vertex, mpn: 24026b, ipn: 24026b, make: kawasaki, model: kvf750 4x4i. (January 4th, 2026) sku: 9751005466709792, brand: namura technologies, mpn: nx-70020-bhusq, country of origin: taiwan. (January 4th, 2026)