Master Cylinder Reservoir Cap Plastic O-Ring, This master cylinder reservoir cap plastic o-ring is a quality replacement component for repair, restoration, and regular maintenance. As the internal seals age and swell, the lever goes spongy or slowly sinks to the bar and braking fades.

• Restores firm lever feel and hydraulic pressure
• Cures a spongy or sinking lever
• Confirm bore size against your original

Fits

• 1975-1979 Honda GL1000
• 1976 Honda GL1000LTD
• 2006-2008 Honda CBR1000RR