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  1. M

    Yamaha Tachometer Replacement Question

    Greetings, I have a tach that needs to be replaced. I believe my original tach is a 6Y5-8350T-90 that is obsolete and can be replaced by 6Y5-8350T-DO but cost ~$260. (Motor = 2005 Yamaha 175 HPDI VZ175TLRZ) A local repair guy has 2 Yamaha tachs that I can get a lot cheaper....so my question is...
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    yamaha 05 175hp HPDI - Where does clear tubing go?

    Greetings, I've got a 2005 Yamaha 175hp HPDI. There is a ~1/4" clear tubing that come straight off the top of motor (compression nut) that appears to route down engine and go into the bundle of wire/cables that come out front of motor (big flex hose covering) across splash well and into hull...
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    Can I reuse existing garmin transducer to connect to new dash mount depth display?

    I want to install a dash mount depth display (round 2.5" diameter). I've got an unused shoot-thru-hull transducer & temperature sensor that was for a Garmin 160. Is there is any way to reuse this transducer to connect to a round dash mounted depth display? If so, what is the make/model of the...
  4. M

    Can I cut in to deck to make storage?

    My 1997 Skeeter SS140 dual console has a storage/rodbox on one side (passenger) and a storage compartment in center. There is nothing on the driver's side (see attached pic). I'm looking for options for more storage. Anyone know whats under the deck here? Can I cut the deck, install a door...
  5. M

    1997 115 Yamaha Starting Procedure

    Can someone help me with the correct starting procedure for a 1997 Yamaha 115HP. This key does NOT push in. It has a toggle switch (momentary) just under the ignition key that appears to be some kind of choke. There is also a "pull out" choke on the front of the motor and there is a "warmup"...
  6. M

    Getting a 3.7L 470 Ready for Season

    I bought a 1989 WellCraft Classic 180 with a 3.7L Merc & Alpha1 outdrive last summer. I'm getting it out of storage ready for boating season. What recommendations do y'all have for annual pre season maintenance? I'm thinking replace engine oil, oil filter, water seperator and lower unit...
  7. M

    25 hp merc water pump replacement question

    I'm attempting to replace the water pump on my 1989? 25 hp merc. I'm not sure of the year...I can't find the serial number but it has A990202 stamped on the freeze plug. If anyone can identify the year based on cowling shape or color please let me know. These is what I've done: 1) drained...
  8. M

    1989 3.7L Merc dies when coming out of the hole

    I've got a 1989 Wellcraft Classic 180 with 3.7L merc and alpha1. The seems to run great when just cruising around but... I've noticed that when I pull a skier and they fall, I circle around to bring them the rope....usallly put in neutral for ~30secs while they get the ski handle ready and then...
  9. M

    1989 Alpha-1 Trim Down Problem

    I unhooked the bungie cord off my transom saver and hit the trailer-up button to raise the drive enough to remove saver. After removing the transom saver, I was unable to trim down. When I push down on the trim lever...I could hear the pump but no down movement. When I push up on the trim...
  10. M

    1989 3.7L Merc - Electrical Burning Smell & smoke - help!

    Evening guys, just got off the water after being towed back to landing for the 2nd time in the last 10 trips. I'll be lucky if I'll ever get family (wife) back up on the river. I would like to fix this boat problem b/f she sells the boat. If I can't get if fixed b/f 4th of July weekend...I may...
  11. M

    1989 25HP Merc - Leaking Oil - What kind?

    I've got a 25hp merc leaking oil (see pic). I don't know what kind or where its coming from. The oil is a kind-of black/dark gray is doesn't have a strong odor (if anything is smells more like gas). I going to work on this motor tomorrow and looking for any ideas/suggestions. I guess I'm...
  12. M

    Merc 25hp_Oil Leaking down side_see pic

    Greetings, I've got 25hp Mercury that is leaking oil (see pictures). You can also see a bolt head that appears to have dropped down and now visible (see pics). I can push the bolt up freely and it appears to have "eating" it way almost all the way through outer cover (there is just a very thin...
  13. M

    Merc 170 3.7L - Unhook battery b/f Charging?

    When I bought this boat (1989 Wellcraft, mercruiser 3.7L) the owner told me that his mechanic told him to always disconnect the battery before charging it. The boat was getting its charging system fixed/replaced and the mechanic said one of the reasons of failure is charging with battery...
  14. M

    Bad Battery? or something else electrical??

    Ok, where's what happened.... Boat started fine at the ramp, ran down river ~1/2mile and turned it off. After a few minutes I went to start it back up and it acted like the battery was dead. It turned over 1-time real slow then it just started to clickkkk when turning key. I have an extra...
  15. M

    Mercruiser 3.7L & RPM

    Greetings! I've got an 1989 Mercruiser 3.7L with Alpha-1 outdrive on a Wellcraft Classic 180 and 19pitch prop. What is the max RPM I should run this engine? I noticed when "wide-open", I was pushing 4,800 to 5,000 rpm. Any help??? Thanks!!!! . .. ... Also any helpful advice on the following...
  16. M

    Ski Pole for I/O

    Ok I've just bought 1989 WellCraft Classic 180 -- Inboard/Outboard. It has an ski rope eye/hook just above the outdrive, but after the my first run today I noticed while pulling a tube, the rope seemed to get caught under the wake a lot. I want to install "something" that allows me to tie-off...
  17. M

    1989 WellCraft Instrument Panel

    Greetings Boat Lovers, Well, I bought a 1989 WellCraft 180 Classic w/ 3.7L Merc. I'm slowly fixing it up. Does anyone have a wiring schematic/diagram for the instrument panel for this particular boat? I need to replace a few gauges and it does not have a trim indicator gauge. I would like to...
  18. M

    RPM & Trim Gauge Question

    I've got a 1989 WellCraft with 3.7L Mercruiser and Alpha-1. The RPM does not work. The gauge is displayed x100....it reads 20 with engine and key off. When I turn the key on it goes to 0. When I start it and running it still reads 0. Are there somes check I can do to determine if it is the...
  19. M

    Looking at buying a boat needs some opinions

    I'm looking at buying a 1989 Wellcraft 180 Classic. It has a Mercruiser Alpha-one 3.7L The interior was redone ~7years ago and still in good shape. It has trim plates on each side. The foot of the outdrive appears to be broken-off a little on the bottom tip. It is a 1-owner and he claims...
  20. M

    WellCraft 180 Classic???Help??

    I'm looking at buying a 1989 Wellcraft 180 Classic. It has a Mercruiser Alpha-one 3.7L The interior was redone ~7years ago and still in good shape. It has trim plates on each side. The foot of the outdrive appears to be broken-off a little on the bottom tip. It is a 1-owner and he claims...
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