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  1. twkjr 1250

    transom plate pre alpha to alpa 1 gen 1

    will a alpha 1 gen 1 inner and outer transom plates work with a pre alpha drive , my motor is a 140 3,0 his was a 4 cylinder 3.7
  2. twkjr 1250

    cross referance clevite rod bearing

    need to order rod bearings at i-bouts store my clevite bearing 770 has this number 5453695 what merc or sierra bearing would this be .. 1970 140 engine
  3. twkjr 1250

    new transom install ?

    #14 Today, 06:28 PM twkjr 1250 Petty Officer 3rd Class Join Date: Mar 2009 Location: citrus county florida Posts: 89 Re: fiberglass warped on transom -------------------------------------------------------------------------------- getting ready to encase transom with glass...
  4. twkjr 1250

    polyester resin ?

    i,am soaking my new transom with poly and acetone 50/50 . need to know do you add hardener when doing this . my next coat will be 75/25 then poly straight . then will sandwitch together with mat inbetween. then mat to transom ,24 oz. biaxle with over hang for tabbing over the whole transom...
  5. twkjr 1250

    need peanutbutter recipe (slow cure)

    i' am about to get my new transom in place. was going to use pl ,however my transom is warped and afraid pl will not hold as good as peanutbutter will . will need alittle more time to clamp the kinks out . just did a dry run went real well , i still want to be...
  6. twkjr 1250

    fiberglass warped on transom

    I just removed wood from transom due to it being soft. I noticed that where the stern drive was bolted to the transom plate ,starboard middle two screw holes glass was warped . the warpness covers about a 2x6 inch area . how can this be fixed ,before or during new wood transom...
  7. twkjr 1250

    what size rings for my pistons

    how can i tell if they are standard. I can't find any numbers on the old ones. the motor is 69 mercruiser gm block 4cylinder 3.0 serial #2770087
  8. twkjr 1250

    transom/stringer replacing

    I have a unique situation, my stringers are completly hollow and when i took a 3"hole saw, 1" from the bottom ,16" from aft looked inside not even a sign of any wood . Thefiberglass is 1/4" thick at the lap joint of th stringer and over 3/16" above...
  9. twkjr 1250

    stern drive removal of twin pre alpha's ???

    hi guys , these are mated with a pair of merc 140's. both drives from 70's, starboard drive # b3516052; port drive no numbers that i can find as of yet.?are these counter rotation and if so which do i remove in forward gear and which in reverse gear. read a couple of forum...
  10. twkjr 1250

    restoring 1970 23 ft.dolphin

    trying to get info on the construcion of this boat, mainly the stringers,the rear one just before motors is hollow , however it is thick and feels solid . my ? is were they made to be hollow or perhaps the wood rotted out . this boat was made in miami fl by dolphin hull id dost 286 here...
  11. twkjr 1250

    merc inboard i.d.

    this is the port motor maybe 1977 with serial #4873356 this # was found on tag riveted above the starter on top of the edge where fly wheel huosing is. the #stamped on the block directly above starter is 2770087 . have # 2730901 on sticker for sterndrive id see photo dont know what this part...
  12. twkjr 1250

    newly rebuilt motor seized from sitting

    just got motor out today 1977 4cylinder i/o merc pulled head off cylinders look pretty goood ,removed oil pan wa la brand new looking i mean shiny new but its seized loosened all ro bearing nuts and main bearing nuts got it to turn but it turns hard what the best thing to do now with it to...
  13. twkjr 1250

    mercury 4cylinder removal

    have the four rear bolts removed cant get it to seperate from flywheel housing is the housing suppose to come out with it or what # on tag reads 4873356 i think its a 77 not sure, mated to drive # 2730901 got this # from a cylinder shaped part on the inside transom has two wires on it and...
  14. twkjr 1250

    location of serial number

    i was told i may have a mc- pre alpha sterndrive 1977possibly two differant years. i cant find no identifying numbers bet a i'am looking in the wrong place where on the yoke is the letter to id the ratio and where is the serial numbers for the stern drive located this my first rodeo with a stern...
  15. twkjr 1250

    serial # crisis what is it; when was it born

    went on for adults only followed dirictions came up wiyh these numbers starboard engine 3937746 con2 h 12 9 port 2770087 that really trough me off can you help me identify i already used the gm mercury engine model chart this is i was told 1977 dolphin 22.5 ft. sending pics
  16. twkjr 1250

    free me i'am seized twice

    just got boat with two seized 4cylinder 1977 mercs i/o not sure of model . guy told me both motors were rebuilt 6 years ago and never used boat. what is the precejure for unseizing them really need your help because i'am stuck
  17. twkjr 1250

    69 1250 upper waterpump housing cracked

    i cant find a web store that sells this upper housing , need your help
  18. twkjr 1250

    60 hp mariner serial a110795 what year

    cant find what year this is someone out there must know thanks
  19. twkjr 1250

    69 1250 prop stuck on shaft

    iremoved the nut and washer banged on back of badeswith 2x4 and hammer wont budge maybe original and froze on like alot of things am i missing something here
  20. twkjr 1250

    69 1250 impellar job

    do i remove foot while in neutral or in forward and is there any thing i should be looking for in alignment or things falling out
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