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    ?84 90hp i6 water jacket

    Hi all I have water in cylinder 3 when I look at the plug... done various tests and it seems the water jacket needs changing from reading... can anyone show me what this part looks like? Some people say just the gasket others say the jacket itself will be warped so that will be needed with the...
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    Regal 1800LSR Long Plane time...

    Hi All, You may have been some posts last year about my boat never planing... i thought it was a fault but it just seems to be (after having her checked out) she hates being loaded up. I run an alpha 1 with a mercerise 120hp 1.7 DTI. With four people and no gear she planes fine... add 6 people...
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    Static floating pontoon ballast

    Hi guys not necessarily the right area but I have made a static floating pontoon to get to the boat as in tidal. I have used 6 cube floats but they really need some ballast in them as they are all over the place. Can I just half fill them with water or will they crack when it freezes? What the...
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    Mercury Laser II Advise

    Hi Guys - i have another question on here this is not directly related so i started a separate thread. I bought a used mercury laser II prop off eBay for my boat got a great deal and its in a fairly good condition. When i bout it i was sure to get the Mercury one and not the Quicksilver one as...
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    Propping Advise

    Hi Guys I have a propping question... so on paper my boat a Regal 1800 LSR 1.7D 2:1 Alpha One Leg should be achieving 42mph... However this is what's happening now: So I have a Solas Prop 14 3/4 21p WOT 3800rpm / 28MPH This is not good it meant to do 42 as I say and wot should be...
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    Exhaust popped off alpha one

    Hi Guys, i took the boat for a service a few weeks ago - its about a 20 mile round trip by water. The nearest slip is about 8 miles away anyway background over the boat is moored at the end of my garden and i noticed when i was home the exhaust has popped off (outside of the boat) from where it...
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    prop interchange?

    hi guys - do you know if the alpha one props are interchangeable with the late 80s 80/90hp props? they look pretty much the same...
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    Which Oil..?

    Hi All, Really struggling - this is a duplicate as wasnt sure if it should be in mercruiser or diesel section... sorry... So i have the Cummins/Mercruiser 1.7 dti engine. Time to service it and the manual only gives me a part number for the oil not the oil itself. A quick goole shows its...
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    Which Oil..?

    Hi All, Really struggling - this is a duplicate as wasnt sure if it should be in mercruiser or diesel section... sorry... So i have the Cummins/Mercruiser 1.7 dti engine. Time to service it and the manual only gives me a part number for the oil not the oil itself. A quick goole shows its...
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    Pull Start Mercury not working

    Ok you may have seen i had a 50 '82 pull start that was hard to start and now has got to the point it doesn't at all... Now i'm completely lost... So I prime it, put it on fast idle, choked it and pulled her over 3-4 times no fire or anything. Unchoked it and tried another 20 or so times but...
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    Tacho Help/Advise

    Hi Guys, Not sure if this should be in the mercruiser section or the diesel section. Anyway I will start... My tacho is on its way out it seems to be going nuts... when I start it idles anywhere between 4-5k (its not idling at that but tach says it it) it will jump around as...
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    Banging sound Alpha one drive

    Just had my Regal 1800 1.7 mercuriser diesel delivered this week - I got it tested prior to buying and was told she was good, got here Wednesday went out for about 2hours and she was good. I then went out flat out this morning for an hour... all good... then we were going at about 10mph for...
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    I/O Winter Options for river life?

    Hi All, After two years of flinching after everyone suggests a boat trip and having limited range ( I have an 80hp OB, it cost me the equivalent of $40 to do a 10mile round trip, no tax relief here on petrol!) I have decided on a different route... I have my 16ft bowrider with an 80hp merc...
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    Ran out of water... did i get away with it..?

    Hi all, took the boat along the rivers on Saturday as it was a great day... the water however was the lowest I've seen it - only 2-3ft deep in some parts! Anyway I (as always) was going along checking the tell tale of my merc 80 (4cyl 1986 )every so often as you do (probably between 3-5mins)...
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    BUHW vs BUHW-2 in an 80hp

    Hi, I have a 80hp Merc '85 - mentioned a few times on here - is running lumpy up to about 2000rpm. Went to look at the plugs today - the two on the bottom carb are silver on the outside and black on the inside and the top carb is black on the inside and black on the outside. I then noticed the...
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    2stroke oiling question?

    Hi guys - not sure if this is a common question but I'm going to embark on a trip either this or next Sunday on my 80hp with a 19p prop (does about 40-45mph on my ssv151 hull) anyway this trip is unusual for me as it is very slow as in 4mph for about 4 hours straight and then the same back...
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    1981 Merc 50 Tacho?

    Hi Guys i have an 81 bluebird merc 50 pull start and want to add a tach - any idea where to start?
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    pitot setup

    as you may have seen my boat had a mer stack 6 90. I've replaced with a merc 50 pullstart same age. for the speedo to work should i just connect the pitot up from the gear case to the hose that goes to speedo? also how to i connect the tach up on the ob? cheers
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    throttle control adjusting

    hi guys, i had a merc stack 6 on one of my boats and the throttle setup was spot on but the ob died so i replaced with a similar aged merc 50 4cyl. i put the throttle cable in as they were and the went in fine. unfortunately a few bolts sheared when doing so so they are almost permanent/long job...
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    Manual choke not fitting?

    my merc 50 pull start ('82) has always missed the choke lever and has just had a bit of wire in there... looks rubbish so i splashed out on the lever to mount it right however it just falls in the hole? should there be a rubber gromit or something to grip it?
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