Volvo Penta 463581 Countershaft 4cyl Engine AQ125A AQ125B AQ131A AQ131B AQ120B Flywheel Housing Found on "Serial Group 2"

Found on "Serial Group 2" Mercury 4cyl 850 85hp outboards using 50-67341 Starter Motor Assemblies in combination with the Small black ignition coil rather than the big red one

32-18810 Thermostat Cover to Exhaust Manifold Cover (Starboard)

Removed from a 1979 Mercury Outboard 140hp (S/N 552993) - Inline 6 cylinder 2Stroke

115hp 6cyl

Please inspect pictures closely as yours should look just like these as they used this type for a number of years and all the other types of trim arms look quite different (note that this style does not have a rigid external trim line running the lenght of the cylinder like the post-1982 models have)

Volvo Penta 463581 Countershaft 4cyl Engine AQ125A AQ125B AQ131A AQ131B AQ120B Flywheel Housing Found on "Serial Group 2"Item Details & Compatibility From a AQ131A 4 Cylinder Sterndrive (B230 Block) Looks like these were in AQ131A AQ131B AQ131C AQ131D & AQ125B AQ145B B230 block applications as well Also found on many other 4cyl Volvo engines like the AQ125A AQ120B BB140A etc. Notable Part Number(s) 463581 Countershaft Condition Notes Overall Good Condition ****Freshwater Used Parts**** Possibly Related Items: Volvo Penta AQ Sterndrive Upper Lower Gear Unit Gearcase