Echo Carburetor Tuning
#1
06-28-12, 07:37 PM
Echo Carburetor Tuning
- I have a GT 200 trimmer that refuses to run at full throttle. Top RPM is achieved at just over half throttle. Using full throttle results in a stumble that causes a stall. The PB 200 of slightly newer vintage runs rough and refuses to hold top RPM, instead swaying up and down when held at full throttle. I've messed with the screws, but not the stops. New plugs, air, and fuel filter on both. Just cleaned the spark screen on the PB 200 with no effect. Any suggestions?
Thanks,
Cole
#5
06-29-12, 09:52 AM
Forum Topic Moderator
I would use spray carb cleaner rather than soaking them. Soaks can ruin rubber parts and some carbs have rubber check valves that can't be easily removed.
