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Normal servicing may be required to keep the internals clean of foreign materials, both airborne and those delivered from the fuel system. Occasionally inspecting the float settings are required, because of the miles traveled, most commonly from trailering. Many of these units have been modified by engine builders, with small tubes running into the airstreams, thus care must be observed when performing any service or jet change function. Adjustments normally carried out by an individual, would commonly be a Jet change. The Jets, just below the top cover (remove six screws), are know as Air Correctors (also, high speed bleeds), which, when removed, expose the emulsion tubes (function = mix air and fuel). These have been known to get plugged with grass, tire rubber and grit, that somehow, pass the air filter assembly. In the bottom of the float bowl, is the Main Fuel Jet. Both of these Jets, are measured in mm, in .05mm increments (1.45mm, 1.55mm, etc.) and sold as such. Some common service parts are as follows. Air Corrector Jet Main Fuel Jet Gasket, Carb Top (between float bowl and top cover) #4E1360 Secondary return spring #4E1722 Float For these or other replacement items, contact our service/parts department.
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Madison Heights Michigan Phone 248-585-9139 Fax 248-585-9242 |