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  1. W

    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Lower unit pinion gear was split into 3 pieces. Prop Shafter replaced as well since it was bent. They resealed lower and upper, refilled, and charged for 5 hours labor. Original marina should hopefully be getting it back together and in water by the weekend.
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

  3. W

    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Ahhh man, worst news. Being told no bearing and gear and you can move shaft side to side. Propeller shaft is bent as well. Recommended upper and lower replacement. I have a few photos if anyone is interested. Unfortunately really hard to locate parts for this outdrive. Luckily there's a...
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Marina told me hopefully by mid week they'll get a chance to look at it.
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Figured as much after I typed my reply. Ill keep this updated as soon as I can get to it again. Work week going to be tough but perhaps I can get it out of the water mid week. I appreciate the feedback.
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Having the propeller removed as to just exposing the drive shaft, and it freely moved in either direction when either in FWD or REV. Is the the same was what you are referring to?
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Do you recommend I start investigating at the shift plate assembly (from picture above) or disassemble lower drive when I get it out of the water?
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    I did not, as almost busted a knuckle trying to loosen with flathead screw driver. Plus 3 yr old was getting a little restless. Figured it has to come out water anyways for inspection, will try to check fluid then. I never smelled any burnt rubber nor any loud noises when it went out. I feel...
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Won't have time to get to it today. So as I mentioned, whether gear is in fwd or rev, the drive shaft spins freely in either direction and almost sounds like a roulette board ticker or small bearing ticking. The drift shaft should be locked from moving in one direction depending on the gear...
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    all seems good in here. Just need a pointer on where the coupler is located. Is it what connected upper drive to lower drive?
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Hah, was just told "you gotta wave goodbye with the prop" by my 3 year old. Alright so down at boat now. It's not the cotter pin. Shifting fwd or rev looks like all the mechanical parts work to get the shift lever shoe to go back and forth. In either fwd or rev the prop spins freely in either...
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    7.4gi/sx Running on plane then high rev, no shift to forward or reverse

    Read a lot so far since 5am this morning. Had a nice long tow from BoatUS yesterday from Ambassador Bridge all the way back to marina. What a great day to only run into the issue. Didn't have the correct size socket with me to take OD cover off and inspect cable linkage, but hoping its just...
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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    Went to boat yesterday in an attempt to clean out some screens on the fuel system but did not have any luck. Had the fam on the trip and my window to troubleshoot was about 20 minutes. Took a few pics to try to identify where the potential problem could be (the two pictures with green circles...
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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    Regulator and anti siphon location in this diagram?
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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    Was able to get the compression test done, took photos of each cylinder and also the 8plugs (which are fairly new this season); SP3: SP7: Compression ranged between 130-150psi on each cylinder, my ratio is 9.1:1, so should be all good there. Called my mechanic after this and he questioned...
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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    Very tough to see in there. Long screw driver is not really hitting anything in the cavity.
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    Volvo penta 7.4gi loss of top speed perhaps tied to slight thermostat overheating?

    74FJPBYC Hello all, been battling an overheat issue since last season, which I was able to suppress, but now has shown it's ugly side again. I feel I am very close to resolution, so let me give you a quick background how last season ended. 2019 Chased the overheating for several outings...
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    Volvo Penta 5.7GS not starting, appears starter not engaging?

    Buddy's boat. He took it out for a short cruise and then it would not restart, unfortunately for him, had to get towed in... I know enough to help out, but this was the video he sent me. His belts aren't moving, and there's a loud whining noise... my first guess would be starter it not...
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    Engine temp. rising higher than half when planed out...

    Last Sunday, had the engine temp. warning go off on me. Thought the intake was blocked, nope. Able to bring the temp. down to half way point if I backed off of throttle. Yesterday was able to get back down there and I put a new impeller and seal in on the seawater pump. 3 things the local...
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