06-01-2018, 12:41 AM
(This post was last modified: 06-01-2018, 12:44 AM by Duncan Grimmond.)
I fitted an in-line pump in the return hose on my BSA trike to overcome the excess heating of the rear cylinder. IIRC it was very discreet, colour and diameter matched the hose, the only giveaway was the wires.