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  1. J

    91 evinrude V6 200 water pump change

    Hey folks, anyone have the water pump procedure outlined with any pictures for a 91 evinrude water pump change? I think all you have to do is disconnect the shift linkage, drain the gear oil, ubolt the lower unit, remove the housing and impellor, and bolt her back up and refill the gear oil? Is...
  2. J

    Adjusting rockers? 3.0 mercruiser

    Hey, I was wondering what the correct procedure is for adjusting or setting the rockers? To my understanding they are hydraullic lifters? Any feeler guage type adjusting required? Its an 1988 3.0 140hp mercruiser
  3. J

    Converting IO to OB?

    Just wondering if anyone here has converted an IO to a OB? I have a 175 OB and would like to mount it on my IO powered bowrider. I was figuring I could get a sheet of 2" marin plywood seal up the transom and bolt a manual jack plate to the transom...... Any thoughts. I know steering electrics...
  4. J

    Alternator Belt dimmensions?

    Anyone have the dimmensions for the Alternator Belt for an 88 3.0 mercruiser 140hp
  5. J

    transom saver needed?

    Just wondering if anyone uses or recommends using a transom saver on an inboard?
  6. J

    Trickling leak and Alt Belt

    Just need to know the length and diameter of the alternator belt? Also I have a leak...again....Last fall I replaced all of the belows. This year after being in the boat for the third time I have a leak. All the belows look to be in good shape. but its leaking somewhere. Its beyond dripping...
  7. J

    Is an outboard faster than a Inboard?

    Just wondering if you had two for the same boats one with a 115hp outboard and a 115 hp inboard what one would be faster? My boat for example comes in both trim version inboard and outboard. Just curious. I would think an outboard.
  8. J

    High speed manevering?

    Ok with a single engine bowrider, 17 foot inboard 140hp. SHould you trim up or down a bit when cornering? I find when making Full speed sweeping(not sharp corners, The tail end feels like it slips out a bit. I think this is partly due to the 17pitch prop, but I am stuck with this one for tubing...
  9. J

    Mercruiser not running---still

    Ok, so After changing the head gasket I have compresion between 105 and 110 on all 4 cylinders Timing is dead on at 6degrees btdc while cranking with muffs on New spark plugs New cap New rotor Plugs are gapped right Has strong white/blue spark Still not running. I have tried draining the carb...
  10. J

    Points to electronic ignition?

    Just wondering how many people switchthere points ignition to an electronic ignition on a '88 3.0 mercruiser 140hp? Is there anything other than ecu, distributor, cap, rotor, wires? I know when I had my '67 valiant with points it was a very common thing to swap over to electronic ignition.
  11. J

    Won't start after storage

    Ok, 3.0 mercruiser 4 cyl, 140hp 1988 Won;t start, turns over with compresion getting fuel, has good blue/white spark on all plugs, won't start. I pulled the carb off and cleaned it, seems to be working fine, gas seems ok, as treated with stabil, I tried pouring fresh gas down the carb and...
  12. J

    Electric choke wire

    Hey guys, I have an 88 3.0 140hp mercruise with what I believe is a Rochester 2 barrel. The electric choke has always had a broken wire on the front of it. Should it be attached to the purple wire comming out of the harness? Also is there anyway to test it to see if it is actually working? The...
  13. J

    Upate on water leak/overheating

    Well, I ended up changing/fixing alot of stuff. Thermostat Water impeller Full bellows kit U Joints, Aligment check all the fluids and filters timing, ignition setup trim senders End result. No more leaks, Runs nice and quiet no grinding oise when trimming, starts right up, a little bit of a...
  14. J

    Testing water impellor?

    If I were to have the engine cold, and put the boat in the water and disconnect the raw water line at the thermostat and stick it in a bucket how much flow should I see at idle?
  15. J

    3.0 cyl mercruiser thermostat housing

    Anyone know how much a 3.0l mercruiser thermostat housing costs? I was changing the thermostat and one of the bolts snapped off inside, nothing to put a pair of vice grips on, and I have already gone through about 6 drill bits, only about 1/4" deep, If I can get it deep enough I can re tap a...
  16. J

    Gimbal, Bellows and Water hose replacement '88 Alpha One

    Ok so I have decided to plunge in. :) Head first without checking the depth first. I am sure I will hit a rock but oh well. Thats what insurance is for. This will be a diary with questions asked of ou fine folks. I didn't get very far. I took the lower unit off and rechecked the water impellor...
  17. J

    Engine overheating, 3.0 140 mercruiser

    Ok, so I changed the water pump impellor and it seemed to be working as I could see water squirting out at where the rams mount to when I ran it in a bucket, however, when I got it out on the lake it started to overheat. I followed the manual and it seemed to go together as it should. I am going...
  18. J

    3.0 140hp performance?

    Just wondering how fast others are able to go in there boats that are running a 140hp 3.0 mercruiser? I know its very hull and prop specific, but if you could include the basics, I just want a rough idea of how well my boat is performing. Not sure what the prop pitch is(How can I measure it) but...
  19. J

    '88 conroy X-17 performance

    Hey fellow tron'ers HJust wondering if anyone knows how fast an 88 X17 with an 140 3.0 mercruiser should go, was advertised to goor can go with various props? Also what would be the ideal prop pitch for speed.
  20. J

    Water leak outside of the transom?

    Ok my boat has always taken in a bit of water, it seems to be comming in from the driveshaft area as I can see a little dribbling stream when the boat sits in the water, on the lower of the two metal cross braces on the inside of the boat at the driveshaft. I had assumed this wwill get fixed...
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