Goodrich Sea Flyer 5 hp G3LGS

[Buccaneer]

This Goodrich Sea Flyer G3LGS was made by Champion, but what is the Champion
equivalent model?
According to this thread…..
viewtopic.php?f=2&t=11419&p=60136&hilit=g3lgs#p60136
this Sea Flyer is …
5 hp, with a B x S of 1.88 x 1.75
I see no Champions listed with this B X S.
I have several Champion Blue Ribbons and was hoping to use
one for parts, but it doesn’t look like I have a similar power head.
Thanks.

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Prepare to be boarded!

[frankr]

It would be similar model number (3LGS)

[frankr]

[frankr]

Um…maybe there was no Champion 3L-GS You might try 3M-GS Has a remote gas tank, I don’t know what else.

[Buccaneer]

Thanks Frank! The two definitely have the same bore and stroke.
Will research the Jubilee, as I don’t have that model. Who knows,
maybe the Goodrich will be in the 2% category that I can get
Un-froze.
Your Goodrich data says "pressure lubricated main bearings."
I assume it doesn’t have an oil pump, so what’s that all about?
Centrifugal pressure?
Much appreciated!

P.S.- Very hard to find photos or info. on Champion Jubilee’s.
Also, I thought "Jubilee" meant 50 year anniversary, but
apparently not. 😕

Prepare to be boarded!

[frankr]

Pressure lubricated, eh? Sounds like it came from the marketing dept. However, it is not unusual to use differences in crankcase pressure and/or intake manifold pressure to cause oil to flow the the main bearings. But wrist pin bearings?? Sounds to me like they just invented a fancy way of describing plain sleeve bearings.

[outbdnut2]

Nice to see it has the side and rear cowls. These are often removed the first time spark plugs need replacing and not put on again.
Dave

[retiredoz]

That seems to be a common spec for small twins (5, 7.5 and the later 6,and 7.8),’53-’57.

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