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  1. K

    1985 4.3l v6 mercruiser piston rings

    Hi, just an update ...hastings 2M5712 came in. Top ring is 0.146 width. so no good. 2nd ring is good width. So back to square one. Didint bother with oil rings. Anyone know the part # for rings width .175"-.188" for 4" standard piston? 4.3 engine? PS.:I am ordering parts from reputable auto site...
  2. K

    1985 4.3l v6 mercruiser piston rings

    Thank you for steering me to follow the block #. Came with 2M5712 hastings rings. Mahle 40664CP. I would love mahle, but delivery time is Jul 31 . Any thoughts on hastings rings?
  3. K

    1985 4.3l v6 mercruiser piston rings

    Thank you for reply. I did changed all bearings, polished journals. Tolerances are great. Also measured cyl with caliper in few spots. Seem fine.
  4. K

    1985 4.3l v6 mercruiser piston rings

    That makes more sense. Thank you Sir. There is no tag attached. It is possible that at one time engine was replaced. Just got 22 crestliner and history of the boat is unknown to me. Block's number is the one to be from 1987 Will follow this lead and check other years for proper rings.
  5. K

    1985 4.3l v6 mercruiser piston rings

    First digit is hard to read. Could be cast flaw but all digits
  6. K

    1985 4.3l v6 mercruiser piston rings

    It's 10105867 no balance shaft
  7. K

    1985 4.3l v6 mercruiser piston rings

    I did the hone. Keeping with old pistons...thus the set back. Can't find the rings
  8. K

    1985 4.3l v6 mercruiser piston rings

    40664CP from mahle seem next hit but there is no specs as to width of the rings
  9. K

    1985 4.3l v6 mercruiser piston rings

    I have ordered E251K set but wrong radial width of the ring
  10. K

    1985 4.3l v6 mercruiser piston rings

    Hello. Can someone steer me in the right direction on sourcing std piston rings. I am in the rebuilding process and need rings for org pistons. Seems that I find right rings. Can someone share the part #. I have been researching auto sites and ordered the set, but radial with is not correct...
  11. K

    mercruiser 120 hp drive shift cable route

    hi.i bought boat with mercruser 2.5l, 1979-1982 year.boat was missing an outdrive and needed an engine alignment.now i am into bellows replacment and shift cable replacment.thats were i am stuck.i did not take any notes or pictures of how shift cable was routed inside engine compartment.could...
  12. K

    16 ft aluminum starcraft "beauty" operation

    greetings,i have 16 ft starcraft aluminum bowrider in need of major repair.i bought this beauty at auction and came with canopy and 75hp mariner.upon close inspection I noticed pitting on transom skin.not good.i then realized that motor's backing plate is made from pressure treated plywood.not...
  13. K

    '67 60 hp Johnson v4 points setting

    I am bringing to life 1967 60 hp Johnson v4.on the test run motor would fire right up,idle fine,but was a no go at past idle.no change adjusting mixture or applying choke.took her home and when spark was checked.1,3 cyl had good spark.#2 had weak spark,4 sporadic spark.i got the problem down to...
  14. K

    1967 Johnson prop seal removal

    Hi.i am in the process of changing seals on lower unit of 60 hp johnson'67.after changing drive and shift shafts,I am stuck with prop shaft seal.as far as I can tell needle bearing has to come out.is this right? Another question i have is gasket between lower unit and mid section.does it has to...
  15. K

    1967 60hp v4 johnson LU

    hi guys.i have johnson V4 60 hp VX-13A engine that is past do its maintenance.i want to change the seals in gear case,as i found milky oil when i put this engine in storage 2 years ago.now am back at it.lover unit is already off the engine and i removed water pump,and drained new oil so far.i...
  16. K

    Polarizing generator

    Hi.i have RK-28 Johnson 40 hp electromatic with generator.ammeter gauge is not showing discharge or charge.is that means that generator needs to be polarized.what are the steps of that .how to test charging components.thanks
  17. K

    '66 40 hp skipping gear

    Hi.motor is 40 hp Johnson electromatic.it started to slide in forward gear.it would kick in few times on low idle and engine would just REV when throttle is advanced.it helps when I shift to reverse and back to forward.how to fix this problem.thanx in advance
  18. K

    1966 40 pony electromatic

    Hi.i need help solving engines strange behaviour.its 40 hp electromatic motor.i took the boat out on the lake.travelet to fishing spot just fine, then did some trolling with spare motor then back to 40 ponys.she was revving real high when going from throttle to neutral.did that few times.then I...
  19. K

    74' merc 850 power tilt/trim

    Re: 74' merc 850 power tilt/trim starboard clamp with limit switch (#66083)has micro swich build in.switch can be replaced.starboard cylinder should have metal strip with adjusting screw.those all go on starbord side.port side clamp(#66084)is just plain as cylinder.any clamps from highier HP...
  20. K

    74' merc 850 power tilt/trim

    Re: 74' merc 850 power tilt/trim hi.welcome to forum.you will need mounting brackets that cylinders mount to transom,2 of each hydraulic hoses:18-2110 and 18-2111 from sierra or ebay.mercury PTT mounting hardware.i am in the middle of putting same system on the motor.got hold back a bit in the...
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