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20 hp seahorse johnson need year and model

P

pamtimpam

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Need to know year and model th

Need to know year and model the only number I have is J3247966 found this number on the block behind the flywheel.
 
"For a Seahorse Model number m

"For a Seahorse Model number might look something like "SD20" or "CD-CDL-20"...
Any idea how old it is? 50's? 60's?
If you know- I'll post the seahorse model numbers for those years, so you know what to look for-

- Check on the welsh plug (freeze plug) on the block (powerhead) for numbers/letters

- There may be a quarter size silver piece with numbers stamped on it.

- Look for any other stamped numbers - That is how a machine shop may stamp the block.

GA"
 
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