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    Hard to synchonise Honda BF50A - 98

    I bought an Syncro Motion Pro synchronizer, so far so good. But after done every possible check of the motor, comp, spark, valves, cleaning and new gaskets in carburetors the top carburetor stops with double vaccum compared to the other two carburetors. An other difference is that whem I...
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    Honda BF35 - BF50 carburetor flange marking

    Is there a system on Honda BF35A to Honda BF50A flange markings on the caburetors? It seems to a system as below? BF35A - ex. 12AA HA09 or 12AA FFT or 12AB RH05 BF45A - ex. 31AA ND16 BF50A - ex. 31BC OF15 or 31CB UF27 or 31AA DJ06 Please explan so I can identifie a carburetor then I bye one...
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    Honda carburetor house, BF50A/BF30A

    I have a Honda BF50A with carburetors from a Honda BF30A. According to my point of sale the carburetor houses are the same exkluding the house outlet for the diaphragm. But he is not 100% sure. To upgrade to BF50a I have to change Main jet, Slow jet and Main emulsion tube. Question: Do anyone...
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    Honda BF50A carburetor diaphragm, confused!

    I have bought a Honda BF50A outboard 1998 BAZS-30000376. Then I took the carbretor from the motor it seems to lack parts around the diaphragm, se picture 1 and 3. There was no pipe #38 and no tubes #49? There is also no outputs on my carburetors as on a "normal" BF50 see picture 1 and 2. I have...
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    Bye to Chrysler world

    I am now leaving this forum due to environmental reasons in Sweden. I am forced to run 4-stroke in the future. Thanks for a lot of good advices.
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    Cylinder head Chrysler 75 Hp

    Is the cylinder head from a 70 Hp Model 7071 compatible with power head 75 Hp Model 757HB? The older cylinder head (7071) seems to have more easy access to the thermostat. See enclosed pictures. After searching the forum, I think I will find the answer in thread " 3 Chrysler heads compared...
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    Chrysler 75 hp 1975 Spacer plate?

    Hello Chrysler experts, I have changed spacer plate in my motor from #404680-2 to #692 680. One deiference is that there is an extra hole in the waterinlet passage. 1. What is the function of that hole? 2. Shall it be plugged with a screv so it does not steal water from the cooling system...
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    Chrysler 75 hp Wiseco Piston the right way

    A short Chrysler question: Have I turned the spacers in the right way then assemling Wiseco W5216 Wrist Pin Bearing Kit? Want to be on the safe side. Thanks in advance. / Erik
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    Piston tool for Chrysler 75 hp 757HB

    I have to change pistons on my conecting rods in my 75 hp chrysler. To do that you have to use tool T2990, se picture 1. I have do make such tool a need some measurements. Questions 1: Can somebody give me the measurements A to H? Se picture 2. Question 2. Is the piston pin fixed in piston or in...
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    Chrysler 757HB. Heating problems (again!)

    Has resently started up my old 3-pipe. Less than 10 minutes after start the heat light lit up. Three more start attemts, after cooling, down the headgasket blew. I am going to put the old piece thogether again with an new head gasket, of course but the heat problem remains! New inpeller, new...
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    E85 in Chrysler outboard?

    I found an other way to combine 2-stoke outboards with better environment. Acrylate fuel with biodegradable oil. The cost increases of couse. The acrylate costs 65% more here in Sweden but this is a direct soulution. Any experience of acrylate fuel out there? https://www.aspenfuels.us/
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    E85 in Chrysler outboard?

    Stupied question? Anyone ran a Chrysler outboard on E85? If answer is "yes" experience? Read an article in the subtjec at https://www.duckworksmagazine.com/06/columns/rob/maib2.htm Do I have to change jets, oil, mixture and rubber parts? I have a 55 hp and a 75 hp Chrysler. Environmental...
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    Chrysler 75 hp. Difference in spacer plate to same motor?

    I am just about to assemble my 75 hp Chrysler and have two different spacer plates, se attached picture. In one of them there is a channel around the exhaust tube an on the other plate there in no such channel. 1. Can iI use any of them in my motor (757HB 1975)? 2. What is the function of the...
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    Chrysler 75 hp Distributor cap gasket?

    I wonder if the cap gasket (#14030) under the distributor cap has an important funktion? Can something bad happen if I don`t use it? What is the thickness of the gasket?
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