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  1. boatermarquis

    engine serial starting with a

    140 hp mercruiser 3.0,engine serial a339876,outdrive a338939,I need head gasket kit,not for sure witch one to get.
  2. boatermarquis

    can i use these manifolds on omc stringer

    http://i59.tinypic.com/wuknip.jpg
  3. boatermarquis

    low compression on 85hp force

    I believe its a late 80's like 88model on maxum 16ft boat.Middle cylinder reads 60,and read 90 with oil in cylinder then leaked straight down to 85-80.Top and bottom reading 130.I can;t get the numbers off it or anything right now,but wondering you guys thoughts on if it could be rings,cylinder...
  4. boatermarquis

    making omc stringer 800 captain calls

    I got 79 checkmate, with 305 , and want to add thru hull exhaust.can i just cap it off where the exhaust,and water go's and run it straight back.I know i would need special elbow,or a 4inch riser made.I even seen where guy turned his maifolds backwards then run the pipes back.I'm just curiious...
  5. boatermarquis

    difference in marine oil pan?

    I'm building a 350 for checkmate with omc stringer,got all the stainless stuff,marine cam.I'm wanting a chrome,or aluminum oil pan,and wondering what the difference in marine vs auto pan.I read something about bigger qt pan.something about baffeled,not baffeled.regular motor top out at...
  6. boatermarquis

    4.3 locked up need tool to turn motor

    Hello, I got 89 sea ray with 4.3 mercruiser , and starter motor stuck.dont know the history.could be rings, or who knows what else.i took manifolds off, put pentitraiting oil in each cylinder.i need the tool to turn crank backwards or forwards. Where could I get the tool at? I really don't to...
  7. boatermarquis

    omc tilt gear problem

    I got 79 checkmate with 305 and guy bent the lock ring that holds tilt clutch together, we'll I have new lock ring, problem is what do I use to press it to get lock ring locked?
  8. boatermarquis

    91 chaparral yahmaha engine stern drive swap to volvo

    I got 18.6ft chaparral that came with 4.3l yahmaha.im having trouble finding 4.3l at decent price.well I've came across a volvo penta complete engine outdrive out of 16ft bayliner 84 model.no controls, but looks like most stuff is there.guy says less than 110 hours on it and you can tell by how...
  9. boatermarquis

    2.5l gasket set at autozone

    I need to take head off 76 2.5lomc and put it on 2.5l 1981 mercrusier. What gasket set do I need.i don't really have the time to order a set? And also should I go ahead and put new timing chain also?
  10. boatermarquis

    79 checkmate carb won't idle

    I picked up 20ft 200hp checkmate.really nice.well it wants to quit when rims go below 3000rpms.this carb has all kinds vacums.plugged off most them.i went to junk yard.only q jet I could find was electric one.the only quadrajet there.well it runs good with it idles good.i just wanted to see if...
  11. boatermarquis

    21ft 85 bayliner 3.0volvo with omc drive

    I'm about to get this boat.motor good but outdrive bad from hitting a log.guy says it's omc drive.did volvo use omc?its got me puzzled, because only volvo I see have penta drives.please correct me if I'm wrong.maybe motor has been changed. Also he said it's broke where the knuckles are.well I...
  12. boatermarquis

    I need info on outdrive

    Mercrusier 6224726 is serial off 83 16ft cheeta.what kind motor you think is hooked to it
  13. boatermarquis

    suppose to be 305 but on the back of block says gm5.7lc

    This guy got motor cheap, but says it's a 305, but has gm5.7lc stamped into block.on top has all the 5.0 vs alpha one stuff.could it be 350?
  14. boatermarquis

    29' chris craft 1979.

    I'm interested in this boat.catilina exspress.maybe.only got one picture.it has trailer needs tires.he has the engines and transmissions already out of boat.sound hull he says. I'm curious about what engines and trans they are.theres two of each.i can get for 800 and only hour away.wouldnt...
  15. boatermarquis

    voyager outboard 1950?

    I picked up voyager serial v4LLgs70006 need to know more info about it.year hp.
  16. boatermarquis

    2.5 omc parts interchangeable with 2.5 mercruiser

    I got 1976 marquios with 2.5 omc will crankshaft pulley work on 81 2.5 mercruiser?
  17. boatermarquis

    81 caravelle 16ft buy maybe

    This guy got 81 caravelle.mercrusier, guess 3.0.he says motor outdrive say 120hp on them.Is that a pre alpha drive? He says motor and outdrive good.needs interior.plus boat has been patched above water line.not for sure if 300 a good deal.any input on drive or motor?
  18. boatermarquis

    1976 marquis 16ft boat locked up

    Ijust got this boat.not is sure about these out drives and Not really sure what it is.believe it's a omc 120 motor with stringer drive.well starter clicking and it's not the ciliniod.i put some transmision fluid in each cylinder to see if it might be just siezed and free it's self. My...
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