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  1. M

    Getting ready for the dreaded winter season

    Hey guys, quick question. Getting ready to store the boat for the season and Im stuck in a toss up here. My local marina wants $12.00/ft to shrink wrap my 21ft Renken. That's something like $250bucks. Or on eBay I can get a $60.00 all season cover. My plans are to store it inside a barn. But...
  2. M

    Mercruiser 3.0 Alternator Replacement

    Just got back form the marina with a quote of $195 for an alternator for my 1987 Renken 2052 I/O with a 3.0 I4 Mercriuser. The part number he gave was "12176N Mando". Now Ive heard the automotive and marine are identical, with the exception that the marine has a coating on the coil and rectifier...
  3. M

    Under Propped??

    Hope this is the right section. (mods please move otherwise) But im having some problems with my tach on my boat. Im reading 6000RPMs and doing anywhere form 25-30mph. which is very high, but the boat sounds nice and runs smooth. The consensus in the other topic is that i might be under...
  4. M

    Most important Gauge to watch

    Whats the most important gauge to watch on the cluster? I hear people say "RPM", "oil", "water temp"...it cant be preference? My boat (74 glastron with a 4cyl 140hp i\o MERC with the R series outdrive) runs great at full throttle and the temp sits right in the sweet spot, and water temp sits...
  5. M

    74 Glastron Stalling at Idle

    Good afternoon, Hope everyone is having a great holiday weekend. Boats a 74 glastron v174 with the 4cyl 140 hp Merc I\O with the R series outdrive. I was going just above idle for almost an hour and half on the canal today, it ran excellent. but when i brought it in someone was loading ahead...
  6. M

    changed impeller. gear not matching.

    1974 glastron bayflite. 140hp Merc i\o. The lower is the r series. Just replaced the impeller(water pump)(it was pretty ugly), pulled the lower off in neutral so it would be easy to put back on. went to put it back together and check the gears and FNR all matched up. but then I noticed I forgot...
  7. M

    1974 Glastron

    Hey guys, new to the forum but i bring a specific few questions regarding a boat I found on craigslist. keep in mind I do have some mechanical background but this is my first boat. like I said, i found a boat on CL, its a 1974 glastron with the 4cyl 140hp merc. he said it was in solid shape...
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