jpan
ArboristSite Member
Working on getting a 200T running for my buddy. I haven't vac tested it yet and just did a few quick things on the bench to see how it would initially run. His symptoms before were that it would bog down when under load. The fuel line was rotted, so I replaced that, filter, plug, air filter, and put fresh mix in it. I rebuilt the carburetor since the gaskets were hard and the screen had a bunch of crud in it. Cleaned it out with brake cleaner and light compressed air. The meter was set back to slightly above the base of the carb since that's where the original one was set when I removed it.
The issue......The saw started on full choke on the 3rd pull and ran up to full throttle no problem after taking it off choke. Throttle response is excellent and it revs up with no issue at all. The problem is that it won't idle at all and to restart it, I have to hold the throttle wide open. It will start on the first pull doing this. When running if I hold the throttle partially open, it does seem to sputter slighly, but any revving is instant with no hesitation but again it won't idle. Also, when I tilt the saw up, fuel pours out somewhere from the carb. I can't tell where it appears to be coming from, but it fills the bench with mix. All screws are tight on the carb and all gaskets installed correctly. Low needle set to 1 turn out - high needle set to 3/4 turn out
Any thoughts on what's going on? Is this an accelerator pump symptom, or perhaps the metering needle not set correctly?
The issue......The saw started on full choke on the 3rd pull and ran up to full throttle no problem after taking it off choke. Throttle response is excellent and it revs up with no issue at all. The problem is that it won't idle at all and to restart it, I have to hold the throttle wide open. It will start on the first pull doing this. When running if I hold the throttle partially open, it does seem to sputter slighly, but any revving is instant with no hesitation but again it won't idle. Also, when I tilt the saw up, fuel pours out somewhere from the carb. I can't tell where it appears to be coming from, but it fills the bench with mix. All screws are tight on the carb and all gaskets installed correctly. Low needle set to 1 turn out - high needle set to 3/4 turn out
Any thoughts on what's going on? Is this an accelerator pump symptom, or perhaps the metering needle not set correctly?