Rick's Motorsport Electrics Starter Motor Yamaha Yfz450R You can depend on high quality Rick's Motorsports starters to replace your worn out unit. They allow direct swap for OEM starters so you can rest easy knowing the install is going to go right the first time with Rick's Motorsports units. Features: Direct bolt-on replacement starter motor Constructed with long life ball bearings Sealed needle and ball bearings reduces moisture entering windings via armature shaft Exceeds OEM starter service life expectancies Value-packed alternative to OE replacement options Replacement for Yamaha OE# 5Tg-81890-00-00 & 5Tg-81800-00-00 Note : Image for reference only. Starter shape and finish may vary.