{"product_id":"hero-duet-maestro-pleasure-xoom-piston-kit-os-50-k13131ktpe900s2s","title":"Hero Genuine Duet \/ Maestro \/ Pleasure \/ Xoom Piston Kit O\/S 0.50 | Oversize Engine Piston Kit | K13131KTPE900S2S","description":"\u003ch2\u003eHero Genuine Duet \/ Maestro \/ Pleasure \/ Xoom Piston Kit O\/S 0.50\u003c\/h2\u003e\n\u003cp\u003eRebuild the engine top-end with the \u003cstrong\u003eHero Genuine Piston Kit O\/S 0.50 K13131KTPE900S2S\u003c\/strong\u003e. This genuine Hero oversize piston kit is intended for compatible Hero scooter engine applications where the cylinder has been rebored or matched for a \u003cstrong\u003e0.50 oversize piston\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe part is commonly searched by mechanics and scooter owners as a \u003cstrong\u003episton kit, oversize piston kit, 0.50 piston kit, O\/S piston, engine piston set, bore piston kit, or scooter piston kit\u003c\/strong\u003e. Choosing the correct genuine Hero kit helps maintain proper piston fit, compression, oil control, engine reliability, and long-term performance compared to generic or incorrectly sized piston kits.\u003c\/p\u003e\n\u003cp\u003eThis SKU should be matched carefully with the engine condition, bore size, old piston size, and vehicle variant before ordering. Oversize piston kits are not direct replacements for standard-size pistons unless the cylinder bore has been prepared for the matching oversize.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Product Is\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHero Genuine piston kit \/ oversize piston kit\u003c\/li\u003e\n\u003cli\u003eProduct identity: \u003cstrong\u003eKIT, PISTON O\/S (.50)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormatted part number: \u003cstrong\u003eK13131-KTP-E900S2S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOversize specification: \u003cstrong\u003eO\/S 0.50\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCommon buyer\/mechanic terms: \u003cstrong\u003episton kit, oversize piston, 0.50 piston, bore piston kit, scooter piston kit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication: Engine piston kit for confirmed Hero Duet, Maestro, Pleasure, and Xoom applications requiring this exact part number and oversize\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Hero piston kit for compatible Hero scooter engines\u003c\/li\u003e\n\u003cli\u003eCorrect replacement for part number \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOversize specification: \u003cstrong\u003e0.50\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUseful for engine overhaul, rebore work, compression loss, piston wear, piston slap, scoring, or smoke-related repair after proper diagnosis\u003c\/li\u003e\n\u003cli\u003eHelps restore compression and engine sealing when matched with the correct cylinder bore\u003c\/li\u003e\n\u003cli\u003eBetter fitment confidence than generic piston kits selected only by visual size\u003c\/li\u003e\n\u003cli\u003eSingle piston kit supplied\u003c\/li\u003e\n\u003cli\u003eMRP\/price references seen online: around \u003cstrong\u003e₹626–₹710\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrong search identity: piston kit, oversize piston kit, 0.50 piston, scooter engine piston\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConfirmed \/ Best-Supported Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHero Duet\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Maestro\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Pleasure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Xoom\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This is an \u003cstrong\u003eO\/S 0.50 oversize piston kit\u003c\/strong\u003e. It should be used only when the engine bore\/cylinder is matched for 0.50 oversize. It is not automatically suitable for a standard-bore engine.\u003c\/p\u003e\n\u003cp\u003eNo wider compatibility is being added for Destini, Pleasure Plus, Maestro Edge 125, Activa, Jupiter, Access, or any other scooter unless the same part number and piston oversize requirement are confirmed for that vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eFitment Note \/ Return Prevention Note\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, match the piston kit with part number \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e \/ \u003cstrong\u003eK13131-KTP-E900S2S\u003c\/strong\u003e, the scooter model\/variant, engine generation, bore size, piston oversize requirement, ring specification, and cylinder condition.\u003c\/p\u003e\n\u003cp\u003eDo not order this as a standard piston kit. This is a \u003cstrong\u003e0.50 oversize piston kit\u003c\/strong\u003e. Incorrect piston size can cause compression loss, seizure, piston slap, smoke, oil consumption, or serious engine damage.\u003c\/p\u003e\n\n\u003ch3\u003eWhat You Will Receive\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Hero Genuine Piston Kit O\/S 0.50\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePiston kit only as supplied by Hero\u003c\/li\u003e\n\u003cli\u003eDoes \u003cstrong\u003enot\u003c\/strong\u003e include cylinder block, cylinder head, crankshaft, connecting rod, gasket kit, timing chain, valves, oil, tools, or any other engine parts unless separately mentioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHero Genuine \/ Hero MotoCorp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eK13131KTPE900S2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormatted Part Number\u003c\/td\u003e\n\u003ctd\u003eK13131-KTP-E900S2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Description\u003c\/td\u003e\n\u003ctd\u003eKIT, PISTON O\/S (.50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOversize\u003c\/td\u003e\n\u003ctd\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Terms\u003c\/td\u003e\n\u003ctd\u003ePiston kit, oversize piston, 0.50 piston kit, bore piston kit, scooter piston kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eDuet, Maestro, Pleasure, Xoom applications requiring this exact 0.50 oversize piston kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice Reference\u003c\/td\u003e\n\u003ctd\u003e₹626–₹710 online reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eScooter engine piston kit \/ top-end overhaul part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Sensitivity\u003c\/td\u003e\n\u003ctd\u003ePart number, piston oversize, bore size, cylinder condition, ring specification, and engine generation must match\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eProfessional engine repair installation is strongly recommended. The cylinder bore must be measured and prepared correctly for 0.50 oversize before fitting. During installation, check piston-to-bore clearance, ring gap, ring orientation, piston pin fit, circlips, cylinder condition, gasket sealing, valve condition, and engine oil condition.\u003c\/p\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What is Hero part number K13131KTPE900S2S?\u003c\/strong\u003e\u003cbr\u003eIt is a Hero Genuine piston kit O\/S 0.50, also called an oversize piston kit or 0.50 piston kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Which scooters is this piston kit suitable for?\u003c\/strong\u003e\u003cbr\u003eHero official store data supports Duet, Maestro, Pleasure, and Xoom applications. Use it only where part number \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e and 0.50 oversize requirement are confirmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Is this a standard-size piston?\u003c\/strong\u003e\u003cbr\u003eNo. This is an \u003cstrong\u003eoversize 0.50 piston kit\u003c\/strong\u003e. It is not a standard-size piston kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. Can this be fitted without boring the cylinder?\u003c\/strong\u003e\u003cbr\u003eNo, not unless the cylinder is already correctly matched to 0.50 oversize. A mechanic must measure the bore before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Can this fit Activa, Jupiter, Access, Destini, or Pleasure Plus?\u003c\/strong\u003e\u003cbr\u003eNo wider compatibility is being claimed. Order only if your scooter requires part number \u003cstrong\u003eK13131KTPE900S2S\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. When should an oversize piston kit be used?\u003c\/strong\u003e\u003cbr\u003eIt is used during engine rebore\/overhaul work when the cylinder is worn, scored, or being resized to a matching oversize after proper mechanical inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Will this solve smoke or compression loss?\u003c\/strong\u003e\u003cbr\u003eIt can help when the issue is caused by piston\/cylinder wear and the bore is correctly prepared. If valves, guides, seals, gasket, timing, or crankcase issues exist, those must also be checked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8. How can I confirm fitment before ordering?\u003c\/strong\u003e\u003cbr\u003eMatch the part number, vehicle model, engine generation, current piston size, cylinder bore measurement, and required oversize. Mechanic\/VIN-based confirmation is recommended.\u003c\/p\u003e","brand":"Hero MotoCorp","offers":[{"title":"Default Title","offer_id":51465566945575,"sku":"K13131KTPE900S2S","price":710.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/underthehood.co.in\/products\/hero-duet-maestro-pleasure-xoom-piston-kit-os-50-k13131ktpe900s2s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}