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Old 06-07-2013, 10:56 PM   #1
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Merc gearbox question

Possibly a stupid question but are merc gearboxes interchangeable between 15 and 20 inch legs or are some gearboxes for 15s and others for 20s????
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Old 07-07-2013, 09:41 AM   #2
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The gearbox itself is the same, but the driveshafts are different lengths. They're interchangeable, but it's not straightforward
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Old 07-07-2013, 10:53 PM   #3
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Quote:
Originally Posted by Paul E View Post
The gearbox itself is the same, but the driveshafts are different lengths. They're interchangeable, but it's not straightforward
Unless you get a drive shaft extension to put on a 15 to run in a 20
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Old 08-07-2013, 10:44 PM   #4
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Cheers guys! I want to put one off a 20 onto a 15 unfortunately!
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Old 09-07-2013, 09:39 AM   #5
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I take it theyre both not the same gearcase then. If ones a sporty and the other a CLE, the driveshafts wont be interchangable.
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Old 09-07-2013, 09:50 AM   #6
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Country: guernsey
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Gearbox

Hi John I have a 15'' 4 hole cle and I'm after a 20'' if you want to do a deal? Cheers patrick
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Old 12-07-2013, 07:47 PM   #7
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Patrick, if John doesn't take it, I would be interested in a similar deal
What ratio is your 15"
Brgrds. Paul
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Old 13-07-2013, 12:19 AM   #8
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I have a 20" drive shaft if you need 1.
I bought a cle box and used me offshore 25" shaft so this 1 is good as new.
Let me know if you want to buy if off me.
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Old 17-07-2013, 01:50 PM   #9
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Cheers guys - looking for a 15" though as I'm going to keep the 15" leg

Think I'm going to flog the 1.87 20" sportmaster with the rest of the boat (hull's fooked though!) powerhead, rigging / trailer etc to get it all gone at once!
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Old 17-07-2013, 06:15 PM   #10
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i would buy that sporty if you would sell it separately.
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