FEATURES:-Brand new starter,not a remanufactured or refurbished one with wear and tear.-High-quality magnets or field coils deliver more torque for fast starts,good working condition.-Inside and out starter motors improve reliability over longer periods of time.-Designed for individual vehicle power consumption, and are ready to be installed quickly and easily.-Engineered to perform just like the original starter in your vehicle or power equipment-New Armatures are precision-manufactured and tested for long service life.-Replaces existing starter motor, Just replace and ride again.-Professional installation will be highly recommanded,installation instruction NOT included.SPECIFICATIONS:Condition: Aftermarket 100% Brand NewFitment Type:Direct ReplacementSurface Finish: Heavy DutyStarter Type: PMDDRotation: CWPart: UNITUnit Type: StarterNumber of Teeth: 9Gear OD: 8.7mm / 0.34inGear L: 23.4mm / 0.92inRepalcement Part Number: 1P6-H1800-01, 1P6-H1890-00, 5DW-H1800-00, 5HN-81890-00 FITMENT:For Yamaha TTR50E TT-R50 2005-2017For Yamaha TTR90 TT-R90 2004-2007PACKAGE INCLUDED:1x StarterNOTED:Compatibility only for reference,please check out the size & part numbers fits your motorcycle or not.This is an aftermarket part,not an original part.Warranty:Returns: Customers have the right to apply for a return within 60 days after the receipt of the product24-Hour Expert Online: Solve your installation and product problems