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  1. newtoboat101

    mercruiser thunderbolt 4 for 5.0lx?

    what do they call or part number for the large plug from thunderbolt to starter /altenator ,i know wiring harness, but i am not able to find on any parts listing or manual when i look up thunderbolt 4 wiring it does not show the harness with big plug that goes from thunderbolt large plug to...
  2. newtoboat101

    Y pipe compatability

    I have gimbal housing stamp number 42259, inner transom plate is stamp number 441160 and have too replace my y pipe stamp number 44265-C, will y pipe 815786-c fit my application
  3. newtoboat101

    Good cleaning solvent for mercruiser transom parts

    what cleaning solvent can i use to safely9 safe to the gimbal metal parts) to clean my gimbal housing ,gimbal ring ,bell housing and inner plate ,before re assembling
  4. newtoboat101

    Gimbal housing stamp ?

    1988 thompson 240 /5.0 lx alpha1 gen 1 ,bought from used boat dealer ,redid boat ,took boat out was getting leak back near transom ,so took motor out ,only to find out that y pipe was corroded near bolt holes ,obviously leaking from there ,but since i had motor out ,and have leak near transom...
  5. newtoboat101

    what weatherstrip for windows

    I have 1988 Thompson 240 hard top and get leaks in my front windows ,what weatherstripping can I use to stop this
  6. newtoboat101

    black box position?

    anybody have protroll black box where are you putting the actual black box ,up near gps/ff or at stern of boat ,,says its not waterproof ,so i was thinking up on dash near instruments wheres everybody positioning these black boxes
  7. newtoboat101

    PLANER BOARD MAST POSITION

    1988 thompson 240 fisherman hardtop ,i have a duel big jon planer board mast ,has anyone positioned the mast centered on hardtop on the aft of hardtop will this work or not, any pics would help from thompson or maybe penn yan
  8. newtoboat101

    RUNNING TILLER MOTOR AS TROLLING MOTOR ON 24 FOOT BOAT

    24 foot thompson boat mercruiser 5.0 lx /alpha1 gen 1 outdrive ,does anybody run a tiller motor as their trolling motor,i see a million tiller outboards for sale ,but zero with control box ,for trolling can i hookup a tiller motor,and steer boat from rear of boat (when trolling )saw a video on...
  9. newtoboat101

    MERC 1988 5.0LX /ALPHA1 GEN 1 MERCATHODE QUESTION

    i have all anodes for my engine /outdrive ,but i do not have mercathode system (probably was on boat previous to me buying ,idk) can someone please explain what a mercathode system is ,do i need it and where is it placed on motor or outdrive thanx any info is helpful or if someone has one for sale
  10. newtoboat101

    ANYONE HAVE SEAWATER PUMP ON THIS ENGINE

    Mercruiser 1988 5.0lx /alpha1 gen1 oudrive,i have the cooling system #3 which has no check balls or even those hoses on thermostat for check ball hoses , temp is okay around 180 ,i have a seawater pickup thru hull under my motor ,but when i got boat it had no seawater pump ,can i run a seawater...
  11. newtoboat101

    what kind of downrigger,please

    see pic ,can not figure out what downrigger I scooped up for next to nothing ,is there a look up for cannon serial numbers having problem with sending pics so the serial number is 12509870147 and 12509870153
  12. newtoboat101

    WHAT DO I HAVE? did i get ripped

    so 2 summers ago i buy a boat to redo ,i go see the boat even take boat out on short spin around the hudson ,all seemed cooled ,i understood it was an older boat . The way the owner explained it(owner is actually a used boat dealer) 1988 thompson 240 /5.0lx original motor remanufactured low...
  13. newtoboat101

    1988 mercruiser 5.0lx/alpha1 gen 1 expert needed

    i have 1988 mercruiser 5.0 lx /alpha1 gen1 ,water is only picked up from outdrive (brand new sei 06/17)and pushed to motor , osco4354 risers/restricted riser gasket thermostat housing is only 4 outlets no check balls ,also thermostat housing looks to be the correct themostat housing (has...
  14. newtoboat101

    Did i disturb the thunderbolt gods?

    so i am having problems with my port riser ,getting very hot ,so i took port riser off ,not thinking anything about it i unbolted the thunderbolt iv igntion module from the riser ,unclipped the harness from ignition module took riser off checked and reinstalled port riser and reinstalled...
  15. newtoboat101

    5.0lx thermostat housing check balls

    what are the check balls for? looking to replace thermostat housing 1988 5.0lx ,but what are check balls for ,some thermostat housings come with check balls and some without check balls
  16. newtoboat101

    raymarine dragonfly 4 ?

    have a raymarine dragonfly 4 pro and uniden 380 vhf question is can you interface the dragonfly 4 pro with uniden 380 ,so gps displays on vhf
  17. newtoboat101

    mercruiser 5.0lx cranks ,no fire

    1988 5.0lx mercruiser thunderbolt iv ignition rochester carb, mechanical fuel pump ,engine was running an hour earlier no problems ,went back to start ,delco alarm low pressure sounded ,and stayed on ,turned key to start ,motor turns over ,but does not start ,engine turns alot easier or freer...
  18. newtoboat101

    5.0lx thermostat housing

    1988 5.0lx mercruiser ,my boat has thermostat housing on it that does not match exhaust manifolds ,looks like manifold have been cut off(plugged off) and thermostat housing is different type or vice versa,and when i start motor / muffs exhaust manifold gets awful hot , i think i need to get new...
  19. newtoboat101

    new se 106 no water flow

    bought brand new se 106 upper and lower unit, assembled and put on boat ,I get no water. I have taken off pulled units apart checked ,reassembled ,making sure tube matches on each unit put back on boat ,still no water checked all hoses ,finally took off boat again ,and put my old outdrive on and...
  20. newtoboat101

    add a battery ,ignition problem

    so i decide to get blue sea add a battery install it and everything works but have one problem ,when i turn switch from add a battery on,all my gauges and switch lights come on and stay on everything works great but the ignition should turn everything on not the switch ,some how the add a...
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