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  1. J

    Volvo Penta 290SP-A Wrong oil?

    I have just changed the oil on my 290 SP and used 75w90 GL5, as that is what my previous DP drive used. I now realise that I should have used engine oil sae30 or 40. Should I change it, or is the synthetic GL5 actually a better oil anyway and best left? Thanks
  2. J

    J25 starts and idles fine but stalls on adding throttle - what's wrong?

    After a rebuild, my 25hp Johnson outboard starts in the button and idles nice and smooth, but as soon as I add any throttle it bogs down and dies. Any pointers as to what needs looking at? i suspect it's carb or fuel related but where to start? If I add choke, the engine increases revs...
  3. J

    Lubricate the lower crank bearing or not?

    I have the workshop manual but I can't find any reference to this. I have replaced the lower crankshaft bearing and, seeing as it is outside of the labyrinth seal and therefore won't benefit from the two stroke oil, wondered whether it should be greased. Any veiws? Cheers
  4. J

    Crankcase flange sealant - is Loctite 5922 a suitable alternative to gel seal?

    Just putting the two halves of the crankcase back together and see that the service manual calls for Gel Seal. i don't have any of that but do have a tube of Loctite 5922 flange sealant. Is 5922 suitable for the job or should I put it on hold until I can get some gel seal? Thanks all. some...
  5. J

    Anyone got an opinion about Sierra piston rings and other parts?

    I am rebuilding my 25 and need some piston rings. Sierra are coming out at a good price but is it worth paying more for OMC? Anyone got any comments on Sierra parts in general. As the rebuild goes on I am sure that Sierra will keep popping up as a good value option. cheers
  6. J

    Hi. An introduction and a dead Johnson 25

    Hi just signed up to the forum. I have just aquired a 1981 Johnson 25. Model number is my user name as I know I'm gonna need it over the next few weeks/months, so I thought it would good to keep it handy ;) The motor is currently seized up solid, so I am planning on stripping it down and seeing...
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