Hi: the Johnson/ OMC rotaries hace a hollow shaft, allowing to pass a cooling oil flow through it. Perhaps you may consider a Citroen 2CV oil pump and radiator, cipere.fr <http://cipere.fr>,  ecas 2CV parts co uk, mcda.com <http://mcda.com>,  MehariClub.com <http://MehariClub.com>, cesbronjerome, can provide it, but lots of Citroen parts sellers could be located in search emgines. With warm weather, OMC bearings may overheat and seize, perhaps a solid lubricant as MoS2 would help. Regards, + Salut
Jose Gros-Aymerich
Madrid, Spain



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