Headstock Bearings and Seals: Aprilia MX50 MX 50 (2003-2005) Suzuki GSX1400 If the readings are below

If the readings are below the readings in the manual then you most likely have an alternator issue

They have been manufactured to replace the original set of head stock bearings on a Yamaha YQ50 for the years and models shown above

Honda CBX 250 RSE (1984)

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a CB450 for the years and models shown above

To replace OEM: 30510-KAY-600

Headstock Bearings and Seals: Aprilia MX50 MX 50 (2003-2005) Suzuki GSX1400 If the readings are belowBrand new set of headstock steering bearings and seals to fit: Aprilia MX 50 Supermoto (2003 2005). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Aprilia MX50 for the years and models shown above. Top sized: 25mm x 52mm x 16mm. Bottom sized: 25mm x 52mm x 16mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require