Replacement sprag clutch bearing for Yamaha SVHO models. Visually compare your current bearing to this one before purchase.  Make sure the number of rollers matches up, this version has 24 roller. Replaces OEM part #: 6S5-17800-10-00   INSTALLATION: Be sure the bore where the bearing slides into is not worn.  If the bore is worn than any replacement clutch bearing will suffer premature failure.