From: | Steve Sartore | e-mail: | srsartore63-A-gmail.com |
Subject: | 1959 Hummer power delivery problems | Date: | Wed Jan 11 17:38:13 2017 |
My Hummer is very sluggish and won't get much over 30mph downhill (180 lb. rider). Replaced: fuel hoses, petcock, gas cap, float bowl gasket, spark plug Cleaned: gas tank, carb, jets, float, et al Problem: idles fine but does not deliver crisp power response when throttle is twisted. Especially bad when in gear. Very, very sluggish. Runs much better when partially choked. Questions: which screw on the Tillotson M43B does what? I'm assuming I have a mixture problem (air/fuel) but I'm really not experienced enough to know if it isn't something else. What are standard start-out settings for the screws? I can see 3 that can be adjusted besides the throttle butterfly stop screw. If I can't figure it out my next option is to take it to a small engine mechanic that specializes in two stroke motors/carbs. Don't really want to do that just because I'm stubborn ;) Thanks in advance. |
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