Checking & Changing the Oil on your ZF Marine Transmission
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Oil Level Check (non ATF transmissions) The oil level check must be done two minutes after turning off the engine. The correct oil level is between the upper and lower marks on the dipstick (see Detail “A”). After the initial filling … Read More

What is a Marine Transmission Trolling Valve?
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Most all of the transmissions on the market transmit their power through sets of multiple disk clutches cooled and lubricated by oil. The disks are pressed together by a piston with pressurized oil providing the force necessary to create enough … Read More