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    Chrysler flywheel key

    Got a 1970 55hp Chrysler with magneto ignition. It's model 554HA. Does anyone know where to get a flywheel key for this motor? Did a search here but, couldn't find anything relevant.
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    Mastercraft PWC

    I looked at the previous posts and didn't find a similar problem so here goes. My brother's Mastercraft PWC sits out in the lake on a submerged trailer all summer. The battery went dead so we took of seat to try to jump start it. Eventually we just took out battery and charged it overnight and...
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    143 degree thermostat

    Searched the past posts and couldn't find answer so, on a 55hp Chrysler is the correct thermostat the 1 inch 143 degree unit?
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    Chrysler 55 reed plate hose check valve

    I've searched my manuals and I can't find an answer so, here goes. 1970 55 hp Chrysler model 554HA. At the reed adapter plate , there are 2 hoses that exit and go into a T fitting .The T fitting goes to 1 hose which goes into the exhaust housing. The lower of the 2 hoses has a check valve in it...
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    Magnatune ignition kit

    Just bought a magnatune ignition kit. It supposed to replace the points. They are only for Chryslers with magneto ignition and NO charging system. I haven't installed it yet. I was wondering if anyone else has had any experience with this setup.
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    Chrysler impeller housing question

    I'm trying to make 1 good LU out of 3 questionable ones. 2 of them have impeller housings with 3 mounting screws and 1 has 4 mounting screws. They all seem to fit into the LU. I just want to know if they are interchangeable. They all have the same impeller. The one with 4 screws is what I'd like...
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    lower unit dog(Chrysler)

    Searched the archives and couldn't find anything so, here goes. I got the lower unit apart and I found the clutch dog worn on the forward gear side. Can I reverse the dog. I've also got another LU with cracked housing but a good dog. Can I use that. Chrysler 1970 554HA.
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    Astro Boat

    I got a 15' 1970 Astro runabout.It has held up quite well. It was made in Decatur, Indiana. Is this company still in business?
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    Hood insulation

    Got an ancient Chrysler(1970) and the foam around the inside of the hood has totally deteriorated. Any suggestions as to what I should use to replace it with.
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    advance or retard

    I've got a dumb question.On a two cycle engine, are you more likely to burn a hole in the piston with advancing the timing or retarding the timing?
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    Harbor Freight Winch

    Does anyone have an opinion on the Harbor Freight electric winch for $59.95. The specs look adequate for my 14 ft runabout.
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    LU gaskets

    I remember reading the lower unit 101 post here recently. It said to replace the drain plug nylon washers when changing lube. Are those washers anything different than you'd get at Home Depot or a hardware store or does one need to go to a marine store only.
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    Penn Yan Boats

    Just wondering, is Penn Yan still in business? Their tunnel drive seemed like a good idea.
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    Timing procedure question

    Trying to time my old Chrysler without benefit of their special timing tool. Like to know if my theory sounds right. The timing is supposed to be 28 d BTDC. The stroke of piston is 2.8 in. The engine moves 180 deg on compression stroke. So, I divide 2.8 by 180 and get .01555. Subtract 28 from...
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    Attention Chrysler experts-timing question

    I got a 1970 55 HP Chrysler model 554HA which I'm trying to get back to running condition. The engine is a magneto ignition electric start without a charging sytem. The Seloc manual says timing should be 28 deg BTDC. The Glenn, Chilton's and Clymer manuals say it should be 32 deg BTDC. I'm...
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    stabilizer(engine mounted)

    I'm not sure if this is the right forum for this but... I've noticed these stabilizers that usually attach to the upper gear housing fins of the lower unit. Are they worth it? Will they improve performance on a 15 ft runabout. Do they put any kind of extra stress on the engine. The one I saw at...
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    fuel tank location

    My boat is only a 14.5 ft runabout. I was thinking of putting a 9 gal. fuel tank up in front. Buy new 16 ft fuel line with connectors and bulb. Question-Will it work? The engine has standard Chrysler fuel pump.
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    Chrysler magnatune conversion kit

    Just browsing thru boatingsolutions website. Came across magnatune conversion kit for 2 cyl Chrysler that replaces points and condenser. Has anyone in the forum got this .And if so,does it work. the price was only $37 US
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    Chrysler wiring harness

    I'm changing a 1970 55hp Chrysler without alternator(magneto ignition) to a 72 Chrysler with alternator(magnapower). The original harness has the purple wire for the alternator included. But , what needs to be hooked up at the boat end .My Chiltons manual shows that it doesn't go to the ignition...
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    Chrysler lower unit swap

    I have a 1970 Chrysler 55 model 554ha. Just bought Chrysler 55 model 559hd(1972?). The 72 is a long shaft. The 70 is a short shaft. The boat requires a short shaft-15 in. Is it going to be possible to swap the lower units. My main objective is to get the 72 model installed on the boat. I also...
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