Headstock Bearings and Seals: Suzuki TS125 TS 125 (1973-1982) Kawasaki EN450 If you're having spark issues

If you're having spark issues with your YFM 660 then it's a no brainer to get a new coil on the quad and why not get an upgrade at the same time

To replace OEM top: TBC

The top bearing is sized ID25 x OD47 x WTH15 and bottom bearing sized ID30x OD55 x WTH17

Kawasaki KLF 250 A (2003-2011)

Headstock Bearings and Seals: Suzuki TS125 TS 125 (1973-1982) Kawasaki EN450 If you're having spark issuesBrand new set of headstock steering bearings and seals to fit: Suzuki TS 125 (1973 1979). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Suzuki TS125 for the years and models shown above. Top sized: 25mm x 45mm x 15mm. Bottom sized: 27mm x 48mm x 13mm. All sizes set out ID x OD x Thickness. The seals are not included in the measurements. If you require different