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How do I tell what motor I have by the Welch plug?

vwjohnboy

New member
I can’t read the model number on the sticker. The number on the Welch plug is
G3100372
How do i figure out what engine I have ?
The boat is a 93 the engine is a 120 hp 4 cylinder.
 
You seem to have one too many numbers in the engine serial number… double check the number and post back to check on what engine you have there.
 
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