Headstock Bearings: Yamaha FZ600 FZ 600 (1986-1988) - Cup and Cone Style Kawasaki ZL1000 If you're having spark issues

If you're having spark issues with your YFM600 then it's a no brainer to get your coil upgraded

Yamaha IT 250 (1983)

the bottom fork is 10mm / M10 thread

Brand new set of headstock /steering bearings to fit:

Headstock Bearings: Yamaha FZ600 FZ 600 (1986-1988) - Cup and Cone Style Kawasaki ZL1000 If you're having spark issuesBrand new headstock steering bearing set to fit: Yamaha FZ 600 (1986 1988). This set of steering stem bearings are cup and cone style bearings. They have been manufactured to replace the original set of head stock bearings on an FZ600 for the years and models shown above. Both top and bottom headstock bearings are included. FREE UK DELIVERY! Worldwide delivery available.