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    496, Switched to Thru Prop Exhaust, Hard Starting

    Have grown tired of the noise so I switched back to thru prop exhaust. Boats starts right up cold at the ramp, but after running around, stop for awhile in a cove, then try to restart, hard to restart, Finally get it to start, drive around some more, stop. This time I trim the drive all the...
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    1989 carbed 454 temp issue

    40 hrs on 454, new temp gauge, new sender, new 160 deg thermostat/gaskets/etc,new impeller,new circ pump. started seeing an issue last season where needle will only move slightly up to 120 deg, then it stays there as the boat is driven. Come off plane, gauge spikes up to 180-200, then quickly...
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    Strange Temp Issue

    Fresh 489 engine with 10 hrs been running great since last Fall, dead on 160 deg, but running about 30 mph yesterday, noticed temp gauge no longer registering anything. Come down off plane, noticed risers still cool to the touch. Drive 7 mi back to marina, shut off engine, ground sender wire...
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    Gelcoat restoration

    I tried 3M compound last yr and it did not work. Do I wetsand or this too far gone and needs a repaint?
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    Remote oil filter hoses reversed

    New engine (454 bravo one) with 25hrs. Bought it 4 yrs ago. Previous owner claimed engine was fresh with only 150 hrs, I thought the oil pressure was low (less than 10 psi at idle, 25 psi at 3000 rpm) but made it through the summer 2009 as I babied the boat around never more than 3200 rpm...
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    Main 50 amp breaker popped

    1989 Chap 2550 sx 454 Bravo, 2 batteries with perko switch. 1st official Maiden voyage for the 2012 season (I have run the motor in the slip a few times over the winter to keep it running) 90 deg here in Austin today. Ran fine to the cove where we anchored for several hours with the stereo...
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    Clicking while cranking

    89 Mercruiser 7.4 batteries charged up, starter has 2 seasons on it. When I turn the key, engine cranks slowly, but I hear clicking coming from the starter area. I take a jumper wire and jump the big terminals on the slave solenoid....turns over the engine and still clicks. Then when I...
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    Adding Gauges to older SeaDoo(93 GTS)

    I recently bought a 93 GTS. I remember my buddy in college had a 94 GTX and it had fuel gauge and he also had a 94 XP with a tach. There is a blank space on the hood to put a gauge and then a spot below the reverse handle for another gauge. My question is if I want too add a fuel gauge, do...
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    New Engine Nightmare

    489 Stroker with Bravo one. Engine has 2 hrs on it. No compression on cyl 4 and 6, pulled head, blown head gasket, and head is etched about 1/4 in down between both cyl. My engine builder is blaming the intake not being seated properly on the heads (of course he picks the part that I installed...
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    Engine Miss, Electrical issue 1989 7.4 Chaparral

    After crusing for about 2 minutes last week, hit the trim tabs, engine misses, runs fine afterwards, starts up after stopping in a cove, however sometimes when i crank it pauses, then kicks over. Yesterday ran fine for 20 minutes, stop for awhile to let kids swim, then start back up no problem...
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    Low Oil pressure 454 Mag

    I've got a 454 with about 150 hrs on it. Running 15-40 wt Rotella only about40 psi 3000rpm cold oil, only about 20 psi hot, practically zero psi when hot idle. No noises from motor, runs ok, but have lost about 8 mph off the top end from last season (48 down to 40). Motor runs about 150 deg...
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    Merc 7.4 Bravo Thermo-to- exh man hose

    Anybody know the size of the hose from the thermostat housing to the exhaust manifold? I'm guessing 1 in?? I need to replace the port side and of course I forgot to bring it with me from the boat so I can compare at the store.
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    Bravo One Prop woes

    89 7.4 with perf cam, rectangle heads, 5000lb chaparral 2550 sx, prev owner had a 25 pitch mirage on there, only 4000 rpm WOT, so I swapped out 20p Turbo brand prop, boat screamed 5000rpm WOT, better holeshot, better top end, everything better. So I figured I a 22p prop would be perfect, found...
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    Modifying my trailer

    I have a Shorelander tandem trailer with 5 leaf springs, 1360 lb cap tires on 13 in rims. It currently carries my 22 ft CC Stinger which weighs about 3500 lbs. I bought a 25 ft Chaparral SX (5000 lb) which is kept in a wet slip and would like to use this trailer since I over the last w yrs I...
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    Brief Miss at High Speed

    89 7.4 Bravo, once in a while I get a very small miss when under a load, such as at WOT or 3/4 or WOT. It is a fraction of a second. Never does it at lower speeds. Previous owner said it did the same thing to him over the years, he thinks it is a bad/corroded connection in the ign fuse...
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    89 7.4 Bravo only hitting 4000 WOT

    just bought it last month, 2550 Chap 2550 SX, 5000lb boat, 23 pitch Mirage prop. Boat has been upgraded to GM Rect port heads, matching intake. still has stock Qjet carb. Runs great otherwise, but I am thinking top end would be better. Prev owner says the Qjet is holding it back, 800 cfm...
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    Sears 1.5 amp charger

    I've got one of those 1.5 amp trickle batt chargers from Sears. Does it hurt to leave it plugged in all the time when the boat is sitting at in the slip? Will it overcharge the battery, or will it just maintain the charge. I'm not sure if this one shuts off when it reaches a full charge, but...
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    Did I damage my alternator

    1986 Merc V8, 2 batteries with a Perko switch, I accidentially switched the Perko to "off" while engine running. Fired the boat back up and the alt is charging battery one fine, 14 volts. Did I for sure damage the diodes or regulator ? can these things survive?
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    Nav and Anch lights

    Just boat a Chap 2550. It has a 3 position light switch, off/nav/anchor With Nav setting, front running lights are on, but only the front half of the pole light is lit. Anchor setting, the front lights go out, and the entire pole light front and back lights up. Is this wired right? The...
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    Stock Carb 89 Merc 7.4 330hp

    I know it is a Rochester 4bbl, does anyone know if it is a 650 or a 750 from the factory?
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