Flow directions in engine cooling hoses (both early and B-series engines)

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Cooling loop schematic for earlier engines (e.g., M-25/XP/XPA)


M-25 cooling.jpg



Coolant flow on the B-series engines (M-25XPB shown)

The basic coolant flow loops on the B-series are identical to the above schematic except that some of the hoses are run in different locations.


Front Front

Front quarter Front quarter

Port side Port side

Rear quarter Rear quarter


--KWKloeber 2 February 2019