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    Where can I find GM OEM engine build specs. Specifically Compression Specs.

    1997 GM 454 TBI engine supplied to Crusader 320 HP. What I'm looking for is an official document stating what the min max compression readings and acceptable cylinder to cylinder variation can be for the engine to pass inspection and leave the factory. I know. GM doesn't make 454's anymore but...
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    1997 Crusader 454: Need component locations for compression testing

    I am looking at a '97 Stamas 290 with single 454 throttle body injected Crusader. The engine is a Jasper remanufactured engine with about 50 hours on it. The engine has not been started in about 18 months. As part of my due diligence I drained the oil, did the prelube procedure using an...
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    1988 V6 Looper Stator Failure Cause or Effect?

    The stator is about 5 years old but in that time it has relatively few hours. The engine started OK when cold but when the engine was hot it would be difficult to restart, if it sat for a while on a long drift. I checked the stator and the coil with the orange and orange black wires was...
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    7.4L Mercruiser Hasn't Been Started In 1 1/2 Years. Prelube prior to starting?

    I'm in the process of purchasing a boat. I was thinking that because the engine has been sitting that it might be a good idea to prelube the engine prior to starting it. Is this necessary? The owner who is not mechanically inclined is not comfortable with having me assist him in removing the...
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    Can't Access My Messages

    Looks like I have 4 messages but when I try to view them I get "You are not authorized to access this page."
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    Mercruiser 7.4L EFI: Choosing The Correct Oil Filter For Filter Relocation Kit???

    I'm in the process of purchasing a 1997 boat with a rebuilt 7.4L engine. The oil filter relocation kit that is installed uses 3/4"-16 spin on filters so I think it an aftermarket kit. The Mercruiser filters are 13/16"-16. I could not find the specs for the Mercruiser filters, but I was able to...
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    Question On using Joe Reeves WOT Timing Method On engines With and W/O Quickstart

    I think I'm all set for the engine without QS. Just follow the procedure and set the WOT timing 4 degrees less than the spec in the manual. In my case, spec. is 18* BTDC minus 4*, so set to 14* BTDC cranking will result in 18* BTDC when engine is running. On the engine with QS I will need to...
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    Need Help Identifying Counter Rotating Lower Unit

    I'm finally getting around to cleaning up a lower unit that I salvaged from a 1991 Evinrude 200HP that was headed to the scrap yard. It looks pretty much identical to the lower unit on my 1988 225 CR with a couple minor differences. The intake screens are external which appears to be a change...
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    1988 225 Trim Cylinder Repair Parts. Looking for Generic Aftermarket Part # Or Sizes

    I have to replace both of the trim caps on one of my trim tilt assemblies. The rebuild kits are no longer available from Evinrude. I have found a trim cap repair kit someone put together but they want about $33 to replace the O rings and wiper per cap. I figure the parts can be purchased for...
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    Replacing tilt tube and bushings on 1988 E225HP . Any tips to make this go easier?

    These engines have spent there life in salt water. The bushings have broken and are being pushed out of the casting. The last time I did this job the engine was off the boat. Is it possible to support the engine with a hoist and move it far enough to replace the bushings without taking the...
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    Need help identifying fuel system part from 1991 200HP V6

    I was going through a box of parts from an engine I salvaged for spare parts. I found a black plastic tee check valve. The inlet and outlet barbs are 1/8" ID fuel line and it looks like it may have been mounted between the fuel distribution manifold and the primer solenoid inlet. The barb at...
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    Carburetor Swap: 1991 E200CXEI carbs on a 1988 E225CXCCE

    I'm in the process of reassembling a 1988 V6 225 HP Looper. I used the carbs from that motor on another engine. I have a set of carbs and throttle bodies from a 1991 200HP. Can I make the swap with no other modifications to the carbs? Obviously I will loose some HP using these carbs. That...
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    1986 Evinrude 225 Heat Related Start/ Run Problem.

    1986 E225 TXCDA. The engine starts, idles, and runs normally when it is cold but the longer it runs the harder it is to start. If the engine is hot and I shut it off it will restart and run normally if I do it within a minute or two. If the engine is hot and I leave it off for say 10-15...
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    1986 Evinrude 225Hp: Won't start and warning horn on steady.

    Engine ran fine on Sunday. I tried to flush the engine yesterday. The engine started right up and was running normally. The overheat warning came on after about a minute so I know it was not overheating. I disconnected the temp sensors in the head and the vacuum switch and checked them. They...
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    Counter Rotating LowerUnit Disassembly W/O OMC Special Tools: Any Tips???? 1988 225HP

    I am disassembling the CR lower unit on one of my 1988 Evinrude 225's to replace the seals and inspect the internal parts. I do not have the special tool to thread onto the prop shaft that attaches to the slide hammer to remove the prop shaft and carrier. Anything commonly available that will...
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    1986 4HP 1 Cylinder Mercury: Looking for Obsolete Choke Parts

    Update: 4/21/13 Found everything I needed. Thanks guys! Picked up this motor last week. It's missing a few of the parts for the choke assembly which are obsolete, and a couple other Items. I've read the sticky listing the salvage yards. I just thought I'd check here first. Serial Number...
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    4 HP Mercury 2 Stroke, 1992, Carburetor Issue.

    i just picked up a Mercury 4HP 2 stroke. I read the sticky to identify the engine using the serial number. Using one of the links in that thread, I identified it as being a 1992. SN A907213. The engine is in very good condition for its year, but when I tried to prime it, gas was dripping from...
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    OMC Factory Manuals: A Word Of Caution When Purchasing Used

    I was looking at used manuals on the famous auction site and noticed that many of the sellers have the incorrect model year listed for the manuals they're selling. Be sure to look up the correct part number and order by part number, not year. I happened to notice this on manuals for 1986,1987...
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    V6 Starter Rebuild: Any Substitutes For OEM Lubes?

    Manual specifies Starter Pinion lube 337016 for the pinion shaft splines and pinion housing bearing. Extreme OMC Extreme Pressure Grease for the gear housing bearing. Triple Guard Grease on the gears. (I have that) Any substitutes for the first two I listed, that I can pick up at the local...
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    What Carb Cleaners Are Safe For Use On Plastic Carbs?

    I've checked the MSDS sheets for a few of the over the counter carb cleaners and also found several home brew recipes for carb cleaner. Many of them contain Acetone, MEK, Xylene and some other fairly strong solvents. I'm a little hesitant to soak the carbs in those formulations for fear that the...
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