Headstock Bearings: Kawasaki KR1 (KR250) (1989-1991) Yamaha YFM250 This ignition coil has been

This ignition coil has been manufactured to be an upgrade on any of the following 21121-1070

Yamaha RD 125 DX (1975-1981)

So if you're having spark issues with your WR500Z then it's a no brainer to get a new improved coil on there

To replace OEM: 47X-82310-50

Headstock Bearings: Kawasaki KR1 (KR250) (1989-1991) Yamaha YFM250 This ignition coil has beenBrand new set of Headstock (Steering Stem Taper Roller) Bearings to fit: Kawasaki KR1 (KR250) (1989). Kawasaki KR1 S (KR250) (1990 1991). This set of steering bearings are taper roller style and have been designed to replace the original set of head stock bearings on a Kawasaki KR 1 (KR 250) for the above years. The models are B2, C2 & C3. Top bearing sized ID25 x OD47 x WTH15. Bottom bearing sized ID28 x OD52 x WTH16. All sizes shown in mm. Please