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Old 01-12-2013, 05:33 PM   #4
Jdeks OP
Joined: Aug 2009
Oddometer: 1,022
Hey guys, thanks for the suggestions. Checked the fuel lines, all good - but by pure luck it put me onto the actual problem.

I hadn't seated the seals under the black plastic end caps properly - the little copper tube was crooked on both of them. So the slides were moving back and forth WAY too easyilty (no suction noise/resistance when i played with them). Re-seated both seals, running fine.

My knowledge of carbs is limited - if someone can chime in and tell me what effect that would actually have when running the engine, that would be great. My theory is that when I hit the gas, the slides weren't opening (no suction in the chamber behind the black end caps), and so I had bugger all flow into the cylinders.
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