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Old 27 July 2010, 08:38   #11
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Country: UK - N Ireland
Town: Bangor, Co Down
Boat name: Ribeye & Tremlett 15
Make: Ribeye & Tremlett 15
Length: 4m +
Engine: Yamaha F40, Merc 500
Join Date: Jul 2010
Posts: 265
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Originally Posted by T 15 View Post
what is your Serial No ?

what year is ur engine ?


another manual, Clymer > 1989, that I have, shows it as "our" post before & as the page I posted BUT in an older Merc Manual > 1978, it shows as you explain: with a strip gasket inset into the cast which is then coated with Permatex 2c-12 sealer, will post pic soon.
see



for above




BUT after having a closer look thro manual 90-861455, it has a section ( 4B ) on 3cyl powerheads & on pager 4B-23 it shows a strip gasket & sealer only to side a, none to side b/sections b & sparingly near bleed holes c


see below


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Old 27 July 2010, 09:18   #12
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Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
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Quote:
Originally Posted by T 15 View Post
what is your Serial No ?

what year is ur engine ?
I could guess an average serial number for the bits it's been assembled from!


Quote:
Originally Posted by T 15 View Post
another manual, Clymer > 1989, that I have, shows it as "our" post before & as the page I posted BUT in an older Merc Manual > 1978, it shows as you explain: with a strip gasket inset into the cast which is then coated with Permatex 2c-12 sealer,
Yeah, it was the pic in the later Clymer that was puzzling me, although your Pic 2 confirms my Clymer hasn't dropped a clanger - namely asymmetric sealant! It was mainly the fact it appeared to show it being applied on one side but not the other that raised my suspicions, especially as neither of my Clymers appeared to match what I cleaned off the joint. Your description mirrors exacly what I removed, so query solved! (This also may help to date my powerhead for future spares ordering!)

Many thanks for your help, the rebuild now can start in earnest.
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