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ContinuousWave: Post-Classic Whalers
Mercury Manual gripe
|Author||Topic: Mercury Manual gripe|
posted 10-03-2006 08:09 AM ET (US)
Does anyone know the size of the oil drain plug on the 90HP Mercuries? Mine is an '05 and I've tried 11/16, 17mm (too small) and 3/4, 19mm (too large).
I paid $80 for the manual and under specifications for bolt head sizes it lists oil drain plug - "N/A" !!!
I bought the hand oil pump listed in the manual under "special tools" but when I tried to use it I discovered that a special dipstick is also required but is not listed under "special tools".
Is this a bad omen for reliability of this manual?
posted 10-03-2006 03:06 PM ET (US)
Well, it sounds like an 18mm.
posted 10-03-2006 04:19 PM ET (US)
Yep, does sound like 18mm. So far he's tried:
BTW, have you noticed how some manufacturers use some
posted 10-03-2006 08:02 PM ET (US)
Sailor, My 90 4 stroke manual has been pretty good, same as yours I think. Much better than nothing I guess. Some procedures are left out, but manuals are expensive and these are at the low end of the spectrum of price. Your outboard is a mixture of Yamaha powerhead and Mercury lower end. Many of the diagrams are Yamaha converted to Mercury. Some items maybe Mercury didn't know at the time of publishing the manual. If you don't have a 10 micron fuel filter on that outboard get it. Yamaha took that direction later and Merc didn't. Problems could arise with the fuel system.
Oh yeah, as Mel and Chuck have said 18mm is it. Spot on. Jim
posted 10-03-2006 08:30 PM ET (US)
You guys are great! I did a google search and found an obscure reference that said 18mm. So I'm off to buy an 18mm socket for the oil drain plug and a 10 micron filter for the gas.
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