79 200 compatibility with 86 200 merc

[trunk]

hi guys i have a 79 v6 200 merc 20" leg with ablown powerhead and have found an 86 v6 200 with a25" leg would i be able to exchange legs . cheers

 

[Faztbullet]

Re: 79 200 compatibility with 86 200 merc

The powerheads will interchange but you may have to swap the internal wiring harness,cant remenber if it used the same number of pins,if same plug and go!!!

 

[Dukedog]

Re: 79 200 compatibility with 86 200 merc

Think FB is on track. Think tha '79 didn't "plug in". Tha harness wired directly inta tha motor electrics. So you got a couple a choices on how ya wanna do it. Change tha boat side harness (tha right way) or splice a male plug on to your existing harness if tha '86 still has tha motor harness on it................

 

[szealuss]

Re: 79 200 compatibility with 86 200 merc

Check crowleymarine.com and pull parts on both this might help! has schematics and part numbers that may be same or helpful. Sounds like you want to swap powerheads, because you have two different lengths. Remember you can't use a 20 inch motor when the boat requires a 25 in shaft. But you can go the other way if you jack it up. Just a reminder - my buddy got a short shaft motor for his long shaft boat and thought he was getting a deal- forgot what he was after.

 

[szealuss]

Re: 79 200 compatibility with 86 200 merc

Never hurts to get a Merc manual

 

[trunk]

Re: 79 200 compatibility with 86 200 merc

The powerheads will interchange but you may have to swap the internal wiring harness,cant remenber if it used the same number of pins,if same plug and go!!!

trunk thanks for your much needed knowledge will let you know how i get on

 

[trunk]

Re: 79 200 compatibility with 86 200 merc

Think FB is on track. Think tha '79 didn't "plug in". Tha harness wired directly inta tha motor electrics. So you got a couple a choices on how ya wanna do it. Change tha boat side harness (tha right way) or splice a male plug on to your existing harness if tha '86 still has tha motor harness on it................

trunk 79 has plug but think it is larger than 86 only hassle will be oil pump alarm 79 didnt have one thanks for help

 

[trunk]

Re: 79 200 compatibility with 86 200 merc

Never hurts to get a Merc manual

trunk yep need a manual get one now i know which way im heading. cheers.