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| Author |
Message |
    
Dave LaCroix
New member
Username: bogey548
Post Number: 1
Registered: 05-2008
| | Posted on Monday, May 12, 2008 - 07:40 pm: | 
|
Just picked up a used bass boat with I believe to be a 1985 Mariner 75 HP. The serial # is 0B166750. Would appreciate it if anyone could verify the year. It is oil injected and still is working fine. Any problems with the oil injection or should I eliminate it and mix the oil with the gas? Thanks for any suggestions |
Graham Lamb
Senior Member
Username: galamb
Post Number: 3174
Registered: 05-2007
| | Posted on Tuesday, May 13, 2008 - 08:17 am: |
|
Dave, your motor is a 1986 model which should make this one of the 3 cylinder models. If so, this is the powerhead that still lives today as the 90 horse (with a few changes over the years).
The 3 cylinder 75/90 horse Merc's were/are probably their most durable mid-range horsepower motors that they ever cranked out... |
Dave LaCroix
New member
Username: bogey548
Post Number: 2
Registered: 05-2008
| | Posted on Tuesday, May 13, 2008 - 01:13 pm: |
|
Thanks for the quick response Graham, it is appreciated. Any comments on the oil injection? It seems to be working fine but I was wondering if there were any serious problems with it? Mixing with the gas wouldn't be a problem as I only have a 12 gallon tank. |
Mike Turner
Visitor
| | Posted on Tuesday, May 13, 2008 - 03:58 pm: |
|
I have just purchased a Mariner 5, model 661 S, serial number 029969. I would appreciate it if someone could tell me what year the motor is.
Mike Turner
Västerås, Sweden |
Graham Lamb
Senior Member
Username: galamb
Post Number: 3176
Registered: 05-2007
| | Posted on Tuesday, May 13, 2008 - 10:29 pm: |
|
Dave, the oil pump on this is gear driven and if working fine the general consensus is to leave it alone.
Personally, I am not fond of automatic oilers of any description - I would rather toast a motor because I forgot to mix the gas/oil as opposed to an oil pump giving up at full throttle without warning and welding the pistons - but that's just me... |
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