'64 650 tach hookup?

S

shoestring

Petty Officer 2nd Class
Joined
Apr 25, 2009
Messages
107
getting a classic old boat running for my kid. boat is a '59 and motor is a '64 merc 650. going to need to size out a prop for it. will need to know wot rpm. is there a way to hook up a tach to one of these mag motors? we have a 3 blade 13x13 but havent had it on the water yet. my guess is this will perform like a tug boat. boat is a 14' glass closed bow i think the kid said it is a larson but not sure.
 
J

JerrfyLube

Seaman
Joined
Jan 16, 2009
Messages
53
Re: '64 650 tach hookup?

Probably a Glasspar...

And your probably going to want something more towards the 17pitch range for a prop on a boat that small assuming the engine is in good working order. Your going to over-rev the crap out of it with a 13P so make sure you get that tach hooked up properly! As for hooking it up, do you even have a tach or are you looking for which one to buy?
 
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