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Small Engines (Lawn Mowers, etc.)/carb fuel leak
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Question
I have a lauson carb on a tecumseh engine.There ia hole the size of a pin (almost not visible with the naked eye)streaming gas straight out about three inches.This hole is in the upper part of the metal body.I thought this might be a vent that is getting backed up due to a blockage but if not,how can I mend this.Thank you.Glenn.
It sounds as though there may be an issue, in general, with uncontrolled fuel flow (flooding). I suspect, from your description, this is an air bleed hole and the only way fuel could be coming out of it is if the fuel level is reaching it. I recommend you first inspect the needle and seat assembly and determine if the carb is flooding. Hope this helps.
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Answers by Expert:
Marc Mielhausen
Expertise
I work on equipment in my spare time for myself, family and friends. I have experience in troubleshooting and fixing lawnmowers, string trimmers, chain saws, tillers, snowmobiles, inboard and outboard motors. As I am not currently employed in this industry, I can be of assistance more in non-brand-specific diagnostic questions. Try me.
Experience
15 years experience (6 professionally & 9 personally) Also have related experience in automotive manufacturing, machining, precision measurement, gauge and fixture design. As long as I can remember I have been troubleshooting and repairing mechanical devices of all types.
Education/Credentials
Ontario Certificate of Qualification for Marine and Small Powered Equipment Technician (1993)
Mechanical Engineering Technician - Materials & Quality (1997)
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