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  1. T

    Problem disconnecting Gear helmet

    I can only get one bolt to thread into the helmet bushing. it is not able to pop the bushing loose from the gear case. Any ideas on other ways to get the upper disconnected from the helmet?
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    problems with resealed Frankenstein AQ outdrive

    I have a SP-A upper with a 290DP lower I had shift problems last year so I pulled apart the upper transmission but ended up resealing the transmission and replaced the u-joints. I am having to assume that the lower unit oil had degraded enough that the unit had too much friction. Not sure since...
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    need some 290DPA lower unit enlightenment

    I was just resealing my lower unit and got to looking at the volvo workshop manual and noticed that I have a part that doesn't show up in the manuals or web schematics. The first part I have on my current shaft after the bearing box is a splined washer that fits over the rear prop shaft that...
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    SP-A locks into gear, won't shift

    I have a SP-A upper with a 290DP lower that is getting stuck in gear and wont shift out into neutral. The first time problem occurred, I could not shift from forward to neutral. After 30 minutes of playing with the shifter and restarting and cutting off the engine, all worked fine for the next...
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    290 PDS replacement question

    After 2 years of just sitting unused and then a head rebuild I finally got the boat in the water to test. Everything worked well for a couple of days and until I started to get a intermittent vibration. 1/2 second vibration 1/2 second smooth running at any speed over 1200rpm. After pulling the...
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    Does anyone happen to know the screw sizes for the shift cable cover on SP-A1

    Does anyone have the 2 screw sizes?
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    1999 tiller steer BF50A Head/powerhead removal

    Found a supposedly winterized engine locked up and water in the oil. I have removed the oil reservoir and see that the valves, cam and springs are covered in rust. I was attempting to start repairs by pulling the head but I am having a couple of probelms. There are 3 hex bolts under the...
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    Correction: Shimming vertical shaft tapered roller bearing race

    I am replaceing my 290 SP with a DuoProp and understand that I need to achive a negative/neutral load on the vertical shaft tapered roller bearing race. My A measurement is .316 and my B measurement = .313. If I understand past posts correctly this leaves a .003 POSITIVE load on the taperered...
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    Shimming intermediate bearing race

    I am replaceing my 290 SP with a DuoProp and understand that I need to achive a negative/neutral load on the intermediate bearing. My A measurement is .316 and my B measurement = .313. If I understand past posts correctly this leaves a .003 POSITIVE load on the intermediate bearing which is...
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    Shifting in reverse problem

    I have a 86 Albemarle that has had a 290DP (and for now, briefly has a SP drive) that seems to have continual reverse shift problems every couple of years. With a new cable, shifting is fine for a year or two. It then works toward not shifting into reverse at all. This has happened with 2...
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    Do o-rings shrink??

    I have twice purchased 5 packs of o-rings for a 290DPA for future use. Once from Sierra and once Volvo. Both times when I have needed them they were to small to stay in the grove on the lower unit. Is this normal that they not maintain size over a year?
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    Resealing duoprop

    I am resealing a Duo prop (DP-A1) and the manual says to coat the bearing box and o-rings whit a polymeric sealant part # 1141570. I am assuming there is an alternative that I can buy locally. Any suggestions??
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    Fuel tank fittings

    I have an aluminum fuel tank that I need to add a fuel return elbow too. The existing elbow, the pick up tube, and the anti-siphon nipple are all aluminum. The only new ones I have been able to locate in 3/8" are brass. Is there any problem using brass on the fuel tank? I am also replacing the...
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    Steering fork installation on AQ271A

    I am trying to determine the orientation of the seal ring (part# 839195) that goes on the shaft of the steering fork to end up between the transom sheild and the fork. There is a flared tapered side and a thick flat side. Which side goes against the steering fork? Do the fork splines bottom...
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    power steering fluid ???

    I am putting back the power steering components in an AQ271A and am curious about the fluid required. Do I use ATF or power steering fluid. The current fluid has a red tint to it and I would guess it is ATF but want to be sure. Also do I need to prime the actuator in some manner?
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    steering bushing part #'s for AQ271A

    I need some help identifying the part numbers for the 2 bushings for the steering fork that install in the transom sheild. I have tried #'s 872362 and 872363 but they are not the correct bushings. They have a raised bump in the lip and tapered ends and the housing and current bushings do not...
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    Replacing AQ271

    I am upgrading to a new engine and am considering going to an EFI unit instead of carbureted. The salesman says I should go with a carb engine since it has less horsepower and the AQ series outdrives (280,290, SP and DP) are not built to handle an engine rated at 320hp. I would like to go with...
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    Preventing rusted bolts

    After having to drill out 7 bolts from an engine/drive swap out, I am looking for the best way to prevent bolts from corroding in their housings. Is there any problem with wrapping the threads and the entire bolt shaft with teflon tape. I would think that this would prevent the different types...
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    steering fork removal

    I am trying to remove the steering fork from an AQ271A/DP290A transom shield. For 2 weeks I have sprayed PB Blaster on the steering arm and driven wedges between the transom shield and the fork. I have driven chisels into the slot of the steering arm to hopefully open it up enough to break...
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    need to replace DP lower 1986 290dp

    I need to replace my 1986 290DP-A lower. Will a DPS-A fit?
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