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    431A Volvo Noise

    I have a 1992 19.5" runabout with a 431A 4.3 volvo penta and 290DP lowerunit. There seems to be what sounds like a piston not firing, can hear it out the exhuast. Changed plugs, check cap and button on distributor, and pull valved covers to check for oil and rockers, all looked good, what...
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    knocking or missing or both?

    I have a 1992 19.5" stingray runabout with a 431A 4.3 volvo penta and 290DP lowerunit. After changing the bellows for the u-joint i took the kids out tubing about 20 minutes into pulling them the engine starting making a noise that reminded me a cyclender missing on my motorcyle. Oil pressure...
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    Bigger, smaller, or stay the same

    I have decided to go to Stainless props on my Volvo 290DP lower unit it is a 1992 with a 431A in front. 20 foot open bow boat. I have chewed up 3 sets now in 3 years with normal use (shallow water and obstacles like crab pots). Should I stay with the same size as the aluminum (B7) or go down...
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    Shifting and Steering

    Boat: 1992 596zp Stingray, motor 431A, Lower unit 290DP. I have noticed as of late that when I shift either into fwd or rev that unless my steering wheel/ lower unit is almost straight it is very stiff and sometime impossible to shift from neutral or back to if in gear? All my years of wisdom...
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    1992 Volvo 431A Coil question

    I know the right answer is get a Marine Coil but I broke a stud on my coil helping my buddy trouble shoot his boat, thought we would do a little test and check with my boats coil on his boat, anyways I snapped one of the studs on mine, the negative one. Can I use a auto coil to replace it...
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    Engine Trim won't stop going up? sometimes?

    I will preempt this with I think it is corrosion somewhere, but thought I would ask anyways. It is a 1992 431A Volvo 290DP. If I let the boat sit up for more than two weeks or so this happens: Run engine trim down, start boat on muffs, run boat, turn boat off, go to run trim back up and the...
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    Marine Carb bypass?

    Hello all, I noticed today while looking into some other problem that there is fuel coming / being pushed from my fuel pump straight to a fitting on my flame arrestor. This is on a 1992 431A Volvo w/ 4 BBL Rodchester. I pulled the line and held finger over line from fuel pump and noticed...
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    Idle problems 1992 431A volvo penta, 290DP

    Hello all, I recently have been having some rough idle problems associated with a very rich exhaust. The problem is sometime it does it and sometimes it does not, I tried turning up the idle just a bit (maybe over the years it backed off) that just makes it idle high when not running rough and...
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    Water in oil

    Not sure if I am qualified to reply or not, but I had that happen in my truck once, turned out to be a gasket. After I wiped all the white stuff off the intake base, heads, rockers, and anything else that had the water oil mix, i just put fresh oil in ran a few mintues and changed it again...
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    U-joint, Volvo 290 DP

    Same lower unit at suspected bent shaft (290 DP), i noticed that my buddies lower unit seems to knock when up on the muffs and down it does not, I think that it is the u joint, or so i have been told, how hard is that to change once you have the top of the lower unit off. Is it like one for a...
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    Bent Prop Shaft, volvo 290DP

    Hello all, I have a buddy with a volvo 290 DP lower unit and it appears to me that his prop shaft if bent, not sure if it just the back prop or both but something is off, not by alot but you can see it when in gear on the muffs at idle. What kind of damage can this do over what kind of time...
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    Getting hot, 1992 4.3 Volvo

    I noticed i was running hot the other day in the water (about 190210-), brought the boat home, put on muffs still running hot, pulled thermostat housing and thermostate. Put housing on without thermostat boat ran cold, never got above 100105-. Checked thermostat in hot water, wide open when...
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    140 Merc Distributor dust

    I have a 1982 140 Mercruiser I/O engine that is getting some kind of black dust substance instide the Distributor Cap, there does not seem to be any wear within the cap when you wipe the dust out. The texture of the dest reminds me of ground up lead like inside a pencil sharpner with out the...
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    82 Larson Mercruiser 140 cutting out after warm

    Hello All,<br /><br />I am helping a buddy with his boat and we have it running pretty well until it warms up, for example yesterday we put in and went for about 45 minutes with no problems, slowed down for a no wake zone then stopped at a marina for about 2o minutes, boat ran terrible after...
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    1992 Volvo 290DP slow speed turning

    Over the years I have taken a lot of metal off the bottom of my lower unit, I believe it is called the scag? Is there something in the line of aftermarket addon's that I could add to my lower unit to inprove the stearing at low speed? My boat is getting harder to control at low speed and...
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    431A Volvo Penta 1992 Stock or after market?

    I need to know what you guys think about after market risers and manifolds. I am being told that GLM galvanizes there stuff prior to painting and Volvo does not. This makes me think that I should go with GLM plus they are $100 cheaper than Volvo. The draw back off course is how compatible is...
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    Exhaust pipe 431A volvo 1992 Welding?

    Hello all,<br /><br />I made a costly mistake and did not drain my exhaust pipes the last time i ran on the muffs and have since cracked them both due to freezing temps, my questoins are can i use a little jb weld to repair them or perhaps actually using a welder, if so what type; mig, jig, tig...
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    blown head gasket mercruiser 140

    Hello all, <br /><br />My buddy has a 82 Larson with a mercruiser 140 in it that he only paid $1500 for. Turns out while looking for an ehause leak we found a blown headgasket between pistons 2 and 3. The question is can we put J B weld in were the pressure from the engine erroded away metal...
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    Whats to cold

    Hello All,<br /><br /><br />Just a general question about winterizing,<br /><br />I live in eastern North Carolina and it seldom gets into the 20's here. I have a nice cover on my boat and keep a trickle charger on the batt when needed. I change out the fluids and grease everything on the...
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    Trim stopped working Volvo Penta

    Hello all and Happy New Year,<br /><br />I have a 1992 19.5" stingray with a 431A Volvo Penta 290DP.<br /><br />I was recently doing some corrosion prevention and inadvertently caused some problem with my trim. I had forgotten to disconnect the batt when I went to pull of the relays (had to pry...
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