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g8tkeeper 08-10-2009 06:55 PM

Troy-Bilt 2-Cycle Gas Trimmer Will Not Start
2 Attachment(s)
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!!!

brokenknee 08-25-2009 08:44 PM

Have you checked to make sure you have spark? Will it fire if you give it a shot of ether? Does it seem to have good compression?

47_47 08-26-2009 08:26 AM

Try loosening the fuel fill cap and press the primer.

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