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  1. Faztbullet

    Cylinder Compression Incongruences.-

    What did machine shop "polish" ??? Polishing cylinder walls will not reduce compression but extra honing will. Also increases cylinder wall to piston clearance and ring blow down thru excessive ring gap.
  2. Faztbullet

    1973 85 hp Needs Ignition Help

    You can see it with a analog meter
  3. Faztbullet

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    Need to replace floats in carbs..you got one that is getting heavy and flooding cylinders. This is common on the older floats for this model
  4. Faztbullet

    1985 Black Max 150 No Spark

    Here...$ 27 https://www.amazon.com/Electronic-Specialties-640-DVA-Adapter/dp/B0093U3TFG/ref=sr_1_6?crid=3DJL39UTLDCSS&dchild=1&keywords=dva+adapter+for+multimeter&qid=1633438270&sprefix=dva+adapter%2Caps%2C818&sr=8-6
  5. Faztbullet

    Engine Re-power

    The ProXS and Verado you will see faster planing times...go for boat max rating like a 225HP
  6. Faztbullet

    Mercury 150 Black Max ~1992 year model

    Thats not a speed hull.. Sold quite a few of them. With a 175 set up for F&S about a 63 mph ride. Set up for speed might get close to 68-69mph. COG is too far foward
  7. Faztbullet

    1985 Black Max 150 No Spark

    Need to DVA test voltage from stator... 9 to 16 Amp Battery Charging Capacity Wire Read To Resistance DVA Blue Blue/White Red Red/White Engine GND Engine GND Engine GND Engine GND 5000-7000 5000-7000 90-200 90-200 180V or more 150V or more 25V or more 25V or more
  8. Faztbullet

    DT 40 help!

    Should have a threaded coupler
  9. Faztbullet

    Fogging Engine (f90 efi)

    Yes that is best way., Remember to change oil/filter when you dewinterize.
  10. Faztbullet

    1985 Black Max 150 No Spark

    Will make no difference to ignition. Only effects where timing marks are located Try cranking it with plugs removed,,,if you now have spark its starter RPM problem.
  11. Faztbullet

    Epoxy type to use in water jacket

    Try Hy-Poxy H-450 Alumbond
  12. Faztbullet

    91 Mercury 100 won't run past about 1800 rpm

    If its got a grey fuel line the liner may have come aprart internally also
  13. Faztbullet

    2001 Mercury 25hp POWERHEAD

    That used one is a chrome bore and they scuff as bad a s the Merosil block. Make sure seller guarantees compression and sends you pics of cylinder walls
  14. Faztbullet

    External trim/tilt pump

    That looks to be a 1st generation 2L. I would add a few coins and get a later model motor. If you do decide to try this one dont pay over $500-700 for it and make sure you get matching control box
  15. Faztbullet

    fuel economy comparison

    It will burn 13 gallon of fuel at WOT reducing RPM will decrease fuel burn slightly. I have a 1980 150 Johnson on my 24ft Lowes toon. It good decent fuel burn below 300Rpm but sucks it up when towing grandkids on tube/skis
  16. Faztbullet

    J60TLCEA --WSM brand drive shaft.

    WSM is good stuff
  17. Faztbullet

    Carburetor question on restoration I’m working on 1992 40 hp MSHQ Yamaha

    Back it in to water but leave on trailer, start and put in gear, slowly turn in the bottom pilot needle till engine leans spits , then back out till engine smooths out and add 1/8 turn. repeat for each cylinder. Multi carb engines need to be adjusted a tad different than single carb motors.
  18. Faztbullet

    1991 Johnson 120hp V4

    It can also be from a ignition problem...
  19. Faztbullet

    1985 looper 140 and a 1985 looper 120 powerhead exchange

    I myself would pass on the salty dog
  20. Faztbullet

    98 evinrude 90hp crossflow

    To make more HP from your motor the block would have to be ported bigger and exhaust hump/deflectors added. Cheaper to sell it and get a 120/140 looper
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