carb difference on tec 4,5,6 and 7 hp horiz.

Old 02-27-03, 12:56 PM
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carb difference on tec 4,5,6 and 7 hp horiz.

is there any difference on the older horizontal carbs that fit the h40 thru h70 engines????? always willing to learn as i'm sure i mixed carbs from these up over the years.thanks steve
Old 02-27-03, 04:50 PM
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Carb Differences


Certainly, there are some differences in these as the HP
and CI displacement changes. Bowls, floats, needle/seats,
ALL....SAME, but the differences come in main jetting in the
adjustment screw or bowl nut. Venturi diameter will also
change as HP changes, so this too, is a major difference.
Always go by the model & spec, OR....take the casting model
number off the carb to ID it for correct replacement and
carb kit and other parts.

Old 03-05-03, 07:42 PM
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Very true, just like the Kohler CV12.5 through the CV15 engines. The bore and strokes are all the same. The size of the carburetor venturi and the jetting determine the HP output. An engine can only make power with the amount of fuel and air it is given. This is how engine manufactures can rate the same same engine at different horsepower by using different carburetion.

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