Search results

  1. B

    90 hp -1999 top end power decrease

    Hi all, I have the above engine on my boat. I bought the boat used with the engine on last year and I have run it one season. Last year in the beginning of the season I would get a top speed of 34 knots but at the end of the season I could not get past 31 knots. The seller claimed 37 knots on...
  2. B

    Max RPM and cruising speed question?

    Hi,<br /><br />My new boat is in the water and it runs fine as far as I can tell.<br /><br />It's a 5.2 meter bowrider with a 90 hp yam from 1999, boat dry weight is about 600 kg apart from the engine and 70 litres of fuel.<br /><br />Max RPM I can get is about 5300 at 34 knots, is that sane...
  3. B

    Yam 90 2-st 99 impeller change

    Hi,<br /><br />I got my boat and motor now and want to change the impeller to be sure it's fresh.<br />I ordered the Seloc manual but it's backordered for weeks. I'm not familiar with how to separate the shift linkage on this engine.<br /><br />Can anybody describe how to get the lower unit off...
  4. B

    Just bought a 90 hp yam 1999 2-stroke

    Actually I bought a boat and it came with it.<br />I'd like to know if there is any known issues with this mill or anything else I should know about it.<br />I havn't even run it yet, bought the boat and motor on dry icy land and I'm now waiting for the ice to thaw on the water so that I can use...
  5. B

    E 25 lost power and won't start now

    Hi,<br /><br />This weekend I put the boat in the water and my freshly rebuilt 1980 25 hp Evinrude on. The engine started fine and ran like clockwork, idled like a brand new engine. Took a few test spins and it pulled strongly and ran evenly for about 1 hour totally.<br />Then in the evening I...
  6. B

    Tread size for remote fasteners

    Hi,<br /><br />I'm preparing my freshly rebuilt 1980 Evinrude 25 hp for use on the boat. I have an OMC remote in the boat with two wires, for shift and trottle. The engine did not have the fasteners for the wires so I bought a pair. They did not come with screws so I wonder what the tread size...
  7. B

    Engine rebuild questions, 1980 E25

    Hi Guys,<br /><br />Started tearing the engine down last night. One thing lead to another and now I have the powerhead on the workbench with the cylinder head off.<br />Main bearings seem good and cylinder walls is unscratched. However there is some play between the pistons and cylinder walls...
  8. B

    25 hp rude knocking on idle

    Hi,<br /><br />I bough an old 25 hp Evinrude, it's a 1980 model. Got it cheap and I did not expect it to be perfect.<br />I have it running and idling good, the comp is 100 PSI + and I can't feel any play in the bearings by moving the flywheel or pushing on the pistons trough the plug holes.<br...
Top