Universal Joint for Front & Rear Drive Shaft.
See details for placement location diagram.
Fits:
YFM225 Moto 4 86-88 Rear (4)
YFM250FW Timberwolf 4x4 94-00 Rear (4)
YFM250U Timberwolf 2x4 92-98 Rear (4)
YFM250 Moto 4 89-91 Rear (4)
YFM250B Bruin 250 05-06 Rear (4)
YFM250X Beartracker 99-04 Rear (4)
YFM250B Big Bear 07-09 Rear (4)
YFM350ER Moyo 4 87-95 Rear (4)
Yfm350 Big Bear 4x4 87-99 Rear (4)
YFM350 Wolverine 4x4 95-05 Rear (4)
YFM400 Big Bear 2x4 00-01 Rear (4)
YFM400 Big Bear 4x4 00-01 Rear (4)
YFM400 Kodiak 4x4 93-99 Rear (4)
YFM600FWA Grizzly 98 Rear(4)
*Dimensions: Cap-25mm, Cap to Cap-64mm, Grove to Grove 43mm.
Includes grease fitting.
Replaces 1YW-46187-00-00 Spider and 93399-99938-00 Bearing Cap.

Front Drive Saft Yoke. ( Yamaha Cross Joint )
Fits at front differential on front drive shaft.
Fits:
YFM350FW Big Bear 94-97
YFM400FW Kodiak 94-98
YFM600FW Grizzly 98
Replaces OE 4GB-46108-10-00

Front Drive Saft Yoke. ( Yamaha Cross Joint )
Fits at output shaft on front differential.
Fits:
YFM350FW Big Bear 87-97
YFM400FW Kodiak 93-98
YFM600FW Grizzly 98
Replaces OE 3HN-46107-00-00
This is the yoke that fits on end of the front drive shaft.
Not the yoke that attaches to the front differential.