Recent content by Dave1234

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    742B CARB FIX

    That looks like what I bought. FYI, I am looking to buy a mikuni carb with the sight glass for parts if you obsolete yours--webb12051 (at) gmail.com.
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    742B CARB FIX

    I did much the same--bought an ebay carb, made a 1/2 inch spacer, made a longer governor rod, made a new connector piece to go on the butterfly shaft with the right angle for the slot so it would best connect to the governor rod, and dinked with it a little so that the butterfly opened only to...
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    Small machine suggestions. Max machine width 40", speedy (6 kph/4 mph or more), good side slope ability, wider mower/rotary cutter, snowblower, etc.

    The direction no one seems to be talking about (maybe for good reason) is something custom made or custom adapted. You may or may not have the skills or tools. I noted some years back that many farmers are moving away from sickle bar mowers to rotary disk mowers--ones with horizontal disks...
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    Bobcat 742 won't stay running

    Those of us who hot wired cars in the distant past and drove them that way discovered that without the resistor in the circuit, you tended to burn points. The resistor lowers the voltage to the coil, and in turn the counter EMF reaching the points when they open, reducing arcing, as does the...
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    Bobcat 742 won't stay running

    my 4g32 was also hard to start in all weather--too much cranking required for starter health, even with a bulb pump to make sure fuel had reached the carb before cranking. For other reasons I adapted a Chinese carb for a Dodge colt to it, and now it starts readily. Not yet sure of the...
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    742 exhaust manifold getting hot!

    Reading spark plugs got me wondering if there was more than I knew--WOW Check this out. Several other similar youtubes if you search. .
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    743... how hard is this hose to change?

    I have the same hose seeping. Can you keep us posted on what you encounter? I need to get to mine once the weather gets reliable to work outside. Like you, I lack Hyd experience. You at least need a set of crow's foot wrenches, if possible made for tubing fittings rather than standard open...
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    Wisconsin VH4D carb/fuel injection swap

    Amazon shows that carb for a 196 cc engine--I doubt it could ever supply adequate fuel to your 1700 cc Wisconsin motor. Might be worth taking another run at a larger carb. I used this from Amazon: Carburetor 6632616 Compatible with Bobcat Skid Steers Loaders 642B 742B Mitsubishi 4G32 engine...
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    The Mitsubishi 4G32 and you. A comprehensive guide to surviving poor financial decisions and overhauling a terrible engine.

    Any progress? One observation--gasoline weighs ~ 6.2#/gal, while water weighs ~ 8.3#/gal. If you filled your carb so that the water level was in the circle on the sight glass, it might raise the float high enough to close the needle valve, while with gas it might not if the float height was...
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    Wisconsin VH4D carb/fuel injection swap

    With the chinese carb you tried, what jet(s) did you find gave you the best for torque mix at full throttle, please, and which jets did you buy to try? And, did you run it as a 2bbl or a 1 bbl by blocking/disconnecting the 2ndary? Thank you
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    Wisconsin VH4D carb/fuel injection swap

    Hope this is helpful--from what I saw on the aftermarket sites--this one http://www.megamanual.com/v22manual/minj.htm#size One of the necessary steps is to size the injector. My 36 hp 742B seems to use about 2 gal/hr when working. So something on the order of 12 lbs/hr from a single injector. I...
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    742 exhaust manifold getting hot!

    I would be suspicious of a vacuum leak first--PCV valve, vacuum line, loose carb to manifold nuts, bad carb to manifold gasket, bad manifold to head gasket or loose bolts there. If the intake is somewhat far away, try spraying brief squirts of brake cleaner near/on any potential leak area and...
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    742 exhaust manifold getting hot!

    That was quick. Do look very white, not tan. And brand new. Be sure to shut down after running full power immediately. Best engine torque slightly rich; these look pretty lean to me--would make for exhaust smelling pretty good, but maybe a hot manifold...
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    1741815555155.jpeg

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