Hi, anyone have timing and carb adjustment tips? My DT140 from early 80s needs setting up and I followed all the setting instructions in the workshop manual. But it doesnt run well. It backfires and dies. Maybe bad plugs? I cleaned the carbs and checked the needles and seats.
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DT140 backfires and dies
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Sounds like you may still have some clogged air/fuel passages. 1.5 turns out is a good place to start you air/fuel mixture screw. You can adjust from there. Be sure to link and sync the carburetors.
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Thanks for all the assistance. I did clean the carbs, so maybe some passages are really badly clogged. So carb cleaner will not work since this is what I used. I checked on the net and some guys say that a product to soak the carbs in are amongst others pool acid (hydro chloric acid), acetone, and diesel. Any ideas? Thanks again, appreciate guys that take the time to assist people.
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