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Questions & Answers
What is 50:1 gas oil mix
That is the ratio of oil to gasoline needed to run this unit. Always use an"FD" rated oil. Better yet, use the pre-packaged fuels they have "FD" rated oils and 93 -95 non-ethanol fuel.
Robin weedeaters head removal
Their id no head on that engine. Unless you have a 4 stroke some how... You will need to remove the cylinder to access the piston.
Blower vac runs at high speed but wont idle
Low speed circuit on carb is blocked. You can try using fresh fuel with some high quality cleaner added and run it through and see if it clear. Otherwise it means the carb has to be removed for cleaning. Which is especially hard these days with the EPA carb plugs on the mixing needles. These plugs are to minimize tampering by owners. You need to be a licensed shop with the tools to adjust the carbs and then put new tamper plugs on nowadays..
Be safe and good luck!
No gas in bubble
Either your fuel line broke and fell off in the tank or your carb is plugged up and needs to be cleaned. The fuel line can be checked by first dumping the fuel out and looking into the tank.
If you see the fuel lines are both intact *(one is long and one is short but both terminate inside the tank) then you probably need to get the carb off and clean it out. Be careful not to use compressed air on the carb as it is delicate. Use a can of carb cleaner only and look into replacing the fuel inlet screen. They come with carb service kits you can buy online for a few bucks.
Be safe and good luck!
how old is gas? is it ethanol? do u have spark ?
Weed eater fb25 won't start
This blower is fuel sensitive! Gas and oil mixture has to be correct. Too much oil will cause carbon buildup in the cylinder. In my case my blower would not start after several uses this season. I checked EVERYTHING....spark, fuel delivery, air filter.....then checked the flywheel which has no separate key....the key is cast into the flywheel. Read somewhere about the carbon buildup so took the cylinder off and viola! The piston ring was firmly stuck in the piston groove plus the cylinder was carbon scored. I tried to gently pry the piston ring free but it was so firmly stuck, it broke. Not worth fixing. Take the muffler off and you will be able to see the piston ring....use a small pick or something to see if the ring is free. If not, proceed to tear down or throw out. I was able to see scoring on the piston and determine my ring was stuck this way. Remember the elements needed for successful ignition...fuel/air...spark....compression. Stuck ring = low compression. The last time you ran the blower the ring became stuck...the engine continued to run because of the engine rpm's but when you try to start at low RPM's, no luck.
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