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Old 04-07-2013, 05:16 AM
lazyade lazyade is offline
TT Regular
Join Date: Sep 2011
Boat: '92 190 Prostar and the new project '05 X Star (Indmar 350 MCX)
Location: UK, Southeast
Posts: 72
I've done some more research and have found the ZF Hurth repair manual but now I'm confused. The Mastercraft manual says to use 15/40 oil but the ZF Repair Manual says to use Automatic Transmission Fluid. Which ones right I've got 15-40 in at the moment?

Having read the manual the gear selector definitely works under hydraulic pressure so I guess this is my problem (it runs around 300 PSI). So perhaps I've got the wrong oil in it?
'92 190 Prostar 260hp Indmar.
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