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I've been reading about oil pump failures on larger Mercs, generally attributed to a plastic gear on the crank that fails. I looked at my parts manual, and I see that my pump is driven via a gear on the crank, but the manual doesn't state what material it is made of. It also appears that my...

I bought my 1998 115 new in 1999. It has 700 hours, and I run in on a SeaRay 175 bow rider. When I first bought it the temp would run around 145 degrees at idle, and when I put the hammer down I could watch the temp gage move quickly down to the low peg on the gage. At the time, I asked my...

Hi, I've been running a QuckSilver 12.75 x 21 prop on my 1998 Searay 175 bowrider with a 1998 Merc 115 2 stroke. This prop has been doing pretty well (4900 rpm @ 41 MPH with a medium load). I'm looking for a new prop, and I don't know if I should buy another QuickSilver or maybe a Michigan...

I have 600 hours on my 98' Merc 115. I bought this engine new (on a SeaRay 175 BR), and it has always run very well. This season it didn't seem to be running right, so I did the following: Rebuilt the Fuel pump Rebuilt all carbs & replaced float valves Replaced spark plugs & wires Checked &...