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-   -   Troy-Bilt 2-Cycle Gas Trimmer Will Not Start (http://www.diychatroom.com/f16/troy-bilt-2-cycle-gas-trimmer-will-not-start-50646/)

g8tkeeper 08-10-2009 06:52 PM

Troy-Bilt 2-Cycle Gas Trimmer Will Not Start
 
2 Attachment(s)
[IMG]file:///C:/DOCUME%7E1/Johnny/LOCALS%7E1/Temp/moz-screenshot.jpg[/IMG]I have a Troy-Bilt 2-Cycle Gasoline Trimmer (Model# TB70SS) that I purchased about 1 1/2 to 2-years ago and it will not start. Enclosed are photos of the unit.

I've done the following and it still will not start:
  • Checked the On/Off Switch
  • I've replaced the gas and added a fresh new tank of 40:1 mixture of 2-cycle oil and unleaded gas
  • I've checked the Spark Plug arrestor and cleaned the screen with a wire brush
  • I've replaced the spark plug with a Champion DJ7Y spark plug with a .025 gap
  • I've inspected the air filter and it looks to be in pretty good condition.
  • I've pulled the starter rope numerous times just in case it is flooded

One of the things I've noticed is that the Primer Bulb will not work correctly. When I press it in to start the fuel flow, it will not depress or return to its normal state immediately, it takes several minutes. Therefore, I can't press it 10 times as the manual states to start it. Does this mean I need to replace the primer bulb? What could be the problem HELP!!!

Yoyizit 08-10-2009 08:23 PM

Quote:

Originally Posted by g8tkeeper (Post 312755)
One of the things I've noticed is that the Primer Bulb will not work correctly. When I press it in to start the fuel flow, it will not depress or return to its normal state immediately

Fuel line blockage upstream of the primer bulb.

I guess you could also remove the plug, make a gap between the plug wire and the engine shell of 3/32" or less, yank the pull cord and look for a spark. A gap of >1/4" will probably overstress the ig. coil.

Kap 08-11-2009 03:11 PM

Definitely sounds like a clogged fuel line. I would replace them all. Should cost less than five bucks to DIY.

mopowers 08-13-2009 10:58 AM

Does it have any spark?

I'd try dumping a squirt of gas directly down the carb to see if I could get any sort of spark. If so, you've probably got a fuel supply problem.


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