If
your clutch will not engage when the piston is pushed in fully, you
probably have air in the slave, the line , or the master cylinder. Place a
piece of plastic and an old towel over the bike to catch any drips.
Remove the top master cylinder cover and take an old, clean, lint free, cotton sock and gently soak up all the old brake fluid in the master reservoir. Place the sock into a used zip lock bag and discard. DO NOT touch the clutch/brake lever or you will draw air onto the system. Now fill the reservoir with DOT 3/4
brake fluid and bleed the slave cylinder. Warning: be careful not to
spill DOT Brake fluid on your paint or plastic.
Place a tube on the bleeder screw (slave cylinder) and loosen the
bleeder screw. now pump the lever to push the air out of the system.
Hint: if you do not have pressure in the master, loosen the brake hose
banjo bolt enough to burp the air out of the master(2 or 3 pumps of the lever). Retighten the banjo
bolt and bleed the rest of the system.
Bleeding the system
should restore clutch performance. If you notice fluid leaking from the
master or slave cylinder , replace the o-rings in the slave cylinder
piston and rebuild the master cylinder. A master cylinder kit and slave
cylinder o-rings are available at your local Honda dealer.
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