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Posted

I was bleeding the rear brakes on my V11TT because they were starting to go soft. Then I discovered that the rear brake wouldn't even bleed and was bubbling at the shaft seals. Definitely bad with only 12,000 mile on the bike. I yanked the one off of my Sport 1100i (which isn't in running mode at the moment) and put that on the V11TT. What I found though, was kind of disturbing. The rubber cover for the stoplight switch was completely full of rusty water! I suspect that water eventually migrated into the rear brake cylinder causing it to fail. Or not. Either way, if you're going to ride in the wet, or wash your bike a lot, it would probably serve you well to pack these covers with silicon grease or something.

 

The photo shows the assembly after cleaning.

 

failed_rear_pump.jpg

Posted

Weird. Thanks for the heads-up- I'll check mine when it warms up a bit.

 

Cheers,

Jason

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