Motocycle Engine Piston Rings For YAMAHA when using it: 1. Adjust the ignition time and set the mixing ratio that meets the requirements. 2. After the new ring is installed, it should be cold run-in as required. 3. Do not drive at high speed in low gear, warm up the engine after starting the engine at low temperature. 4. Use the specified fuel and select high-quality engine oil. 5. Keep the engine well ventilated. 6. Keep enough oil, water and air. 7. Water temperature should be strictly controlled for water-cooled engines. dwt R oad P assion Direct replacement of al parts Condition 100% All products shipped are tested Quantity: 1Set / 4 Sets : China(mainland) Fit For YAMAHA: VMAX1200 V-MAX1200 Didn'tfindyourmotorcyclemodel? Youcanclickhereto contactus forhelp Ifyoudonotfindthepartsyouwantoryourmotorcyclemodelinourshop,pleasecontactusandwewillsearchforyou Transport 1.Yourparcelwillbeshippedoutwithin24hoursafteryoupaytheorder. 2.Youcanchoosetheshippingmethodbeforeyoupayit.Ifyouwanttouseothershippingmethod,youcancontactus. 3.Ifyoudon'treceiveyourparcel,youcancontactus,wewilltrackitandextendtheprotectiontime. 4.Theshippingcostdoesnotincludeanyimporttaxes,andbuyersareresponsibleforcustomsduties. Returns: 1.Ifthereisproblemswithourproducts,youneedcontactusatfirst,wecanresendorrefund. 2.Ifyouneedareturnpleasecontactuswithin30days. 3.Purchasepricewillberefundedbutshippingcostisnotrefundableifbuyersbuyproductsinmistake,buyersneedtoaffordthereturningshippingcost. Feedback 1.Ifyouhaveanyquestion,youneedcontactusatfirst,wewilldoourbesttohelpyou. 2.Fivestarsandpositivefeedbackareimportanttous.Ifyouaresatisfied,hopeyoucangiveus5starsandpositivefeedback.