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  1. JJB

    prop question , What to do ?

    I have a 20' bayliner with a 175 Johnson on it . The motor is raised to where cave plate is 1" above bottom of V and at max mounting height on boat . I had a 18" 4 blade apollo ss prop to start with and got around 5200 max wot . I then put a solas aluminum 3 blade 17" prop and my rpm drop to...
  2. JJB

    would a bad power pack ?

    I have a question about a bad power pack effecting your max wot range ! I just tested my quick start on my 2000 175 Johnson and found that cyl 2, 4 , 6 , are not working on quick start . cyl 1, 3, 5, work proper . I tested to shop manual instuctions and cyl 2, 4, 6 failed test . my question is...
  3. JJB

    Fuel Filter type

    I wanted to know if it ok to use a GLM spin on type 28 micron fuel /water separator filter , It has 3/8 fittings on it with 3/8 hose . I am using it on a 2000 175 johnson .
  4. JJB

    Jack Plate question ?

    I wanted to know about the effect of Jack plate setback . I understand the up and down part but don't understand about the different set back they come in . I seen 6 " 10" 12 " setback models and wanted to how the setback effect the boat plane and prop ? I just seen something about how they are...
  5. JJB

    18" four blade to a 17" three blade using I boats exchange program

    I have posted a few messages on this topic and wanted to get input on this before acting on it . I think I am going to use I boats exchange program with a solas 17" ss prop . I am trying to gain 300 to 400 rpms . I now have 18" four blade apollo ss giving me 5100 rpms from what i been told on...
  6. JJB

    noise at 1000 to 1500 rpms

    I have a 200 175vxss 25 " on a 20' bayliner that when I run it at low rpms I hear a low grumbling Noise and vibrations from 1000rpms to about 1500 rps then goes away . I have great hole shot and good top end speed with it and no odd noises . but when I return back down to 1000 to 1500 I get...
  7. JJB

    raised motor as high as possable

    I Have a Johnson 2000 175 on a 20' bayliner cuddy with a 18" pitch ss 4 blade prop on it now . The present prop has me with a top end speed of about 45 mph and wot of 5100 -5200 . I should be at 5500 rpms . I have raised the motor as high as I can go with it and the motor handles well. What...
  8. JJB

    Prop size question

    I Have a Johnson 2000 175 with a 18" pitch ss 4 blade prop . My wot is at 5200 rpms and should be 5500 rpms . Would going to a 3 blade 17 " aluminum prop get me to my 5500 wot max rpms ?
  9. JJB

    Lower end question

    I have a 175 that when I run at low rpms I hear a low grumbling Noise and vibrations from 1000rpms to about 1500 rps then goes away . I have great hole shot and great top end speed with it with no odd noises . but when I return back down to 1000 to 1500 I get the vibs and grumbling noise . The...
  10. JJB

    Check engine Light

    I have a 2000 175 Johnson , I was out in boat today for hrs and it ran great all day but then my check engine light came on . When I backed off the throttle it went out . This happen a few times when I was over 2500 to 3000 rpms in rough seas . when I keep it below 3000 it ran great . Is...
  11. JJB

    feed back on System Three - WR-LPU Linear Polyurethane Topcoat - Water-

    I wanted to get some feed back on System Three - WR-LPU Linear Polyurethane Topcoat - Water-borne . Is this paint any good for top side paint , seems to good to get one with out all the solvents involved !
  12. JJB

    Epoxy or poly fiberglass resin ?

    I am doing few repairs on some cracks above my rub rails area . I do not want to paint the boat at this time after the repairs are done . I was going to use poly fiberglass resin so I could gel coat it after the repair . I have some experiance with epoxy but none with poly products . my...
  13. JJB

    Motor height question

    I have a 20' Bayliner cuddy cabin deep V hull . I wanted to know where do you measure from for the correct mounting height . Is it from the deepest part of the V in the hull ?
  14. JJB

    High Performance Synthetic Gear Lube for Johnson

    Who makes the best High Performance Synthetic Gear Lube ?
  15. JJB

    175 Johnson needs help !

    Hey guys This thing is driving me crazy hope some one here can help on this one . I have narrowed it down to a vac leak in my stbd. side manifold gasket that giving me the bad idle I think . I found out by putting a toothpick in the air jet and she smooth out for me . when I take the tooth pick...
  16. JJB

    Help with water pump products needed

    I am changing my water pump in my 175 Johnson the manual tells me I need for a lot of different omc products .bmca Moly lube , bmca adhesive M sealant , bmca gasket sealing compound , bmca needle bearing grease . Are there any subs that I can use for these products or do I need to get them...
  17. JJB

    2000 175 Johnson recirc valves

    I wanted to know about my recirc valves on my engine . I notice that some of the lines attach to a part of the fuel pump and crank case . Does the recirc system use part of the fuel pump ? What is the best way to test the recirc system ? I did notice that when I pulled the hose off the pulse...
  18. JJB

    Carb adj on Johnson 175

    I have just bought a rebuilt 2000 j 175 vxsss engine . I just rebuilt and clean the carbs due to sitting . I have set the floats parallel at 1/32 to the float bowl matting surface as per spec . and 1" on the drop spec . as the manual stated between 11/16 - 1 1/8 spec . for float drop . I...
  19. JJB

    water pressure gauge reading for 175 Johnson

    What should be the water pressure reading on my water pressure gauge for a 175 Johnson ? On my force it was about 6- 8 at a idle just dont know where it should be for this engine . thanks for the input !
  20. JJB

    Spark plug question for 175 Johnson

    I have a question about which plug to use . The manual said to use Ql-78yc but for oil injected to use QL77jc4 . The bombard site list the QL -77jc4 as a optional plug . What is the difference in the plugs and what would you guys run in a 2000 175 johnson . Thanks for the input
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