Weird Bob
Registered user
well i have had 5 bm bikes with the exhaust flap and over a combined 100,000 miles have never had a problem with any of them,go figure
I’m trying to remember but I think I have had 1 failure over the last 5 bikes and that was on a bike where the valve was replaceable separately.
I’m not sure there is any rhyme or reason to failure.
I live 100 meters from the sea so even in the garage the bikes get cold damp air but still I only have had one unit failure.