Hi guys,
Thanks again for all the information and advice, it has been great.
I agree it would be easier and more economical to follow the tank badge (B-22176) and make this a Model B, however my aim here is to determine what it was originally, and not be led by what is essentially and easily damaged and replaceable part. This is why I posted images with casting numbers ie I thought they would be helpful in identifying the exact model/year, but that doesn’t seem to be the case at least thus far anyway.
Kees, I agree with your comments regarding the 3 piece crank case coming into production later 1915, however I’m not sure I agree that the automatic reverse also came in 1915. Can I ask where you got that information ie as there are a many pictures of supposedly earlier Evinrude RBM’s with reversing gear-foot on the internet.
All that aside for now, if someone could clarify for me the differences between Pre-1915 Model A & Model B, that would be much appreciated.
Fuel tank has had repairs/modifications done to the underside. A replacement tank or tank section will be needed to correct this issue.
Port and starboard side of transom bracket are different in shape (note upper section). Anecdotal evidence suggests that the squarer shape the provision for return spring (hole) is valid for Model A. It would be nice to have confirmation either way.
Upper swivel bracket comprises a cast section (see top left) designed to allow rotation in one direction. This type of casting could potentially form part of the auto-reversing function but I don’t know for sure because I’m yet to see all the parts (tiller and reversing block/mechanism) that go together to make auto-reversing possible. If my logic is correct this would imply Model A however confirmation either way would be appreciated. In the meantime, any detailed pictures of tiller and reversing block/mechanism would be much appreciated.
Piston comprises 3 narrow rings, creating somewhat of a conflict. According to the spreadsheet, pistons with 3 rings were introduced in 1916 however this RBM has a 2 piece crankcase which suggests pre 1915.
Flywheel does not comprise magnets (unless they’re very dead), and has the hole filled where the starting knob would have been. The lack of magnets, implies battery ignition model.
There is no ignition plate per say, and the advance lever/mechanism is missing.
Does any of the above assist with model/year ID?
Thanks & regards,
AusF233