D17 Loses Power

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   My D17 runs great as long as it has absolutely no load on it.  With the slightest load it starts to throttle up and down.  If I choke it half way it will throttle up an smooth out for a brief period.  Gas supply is good, I just replaced the fuel line and sediment bowl.  I also looked in the tank and there is no debris clogging the port.  I have also just replaced the points, condensor, rotor, cap and plugs.  I'm not sure if this is a new problem since this is the first I have used the tractor since I got it.  After I replaced everything I drove it around the yard and up and down the road and it purred!  Sorry for the long post and TIA for any help!

Edited by john(MI) - 18 Sep 2017 at 9:47am

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john(MI) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: SE MI Points: 9262	Post Options Post Reply Quote john(MI) Report Post Thanks(0) Quote Reply Topic: D17 Loses Power Posted: 17 Sep 2017 at 10:25pm
	My D17 runs great as long as it has absolutely no load on it. With the slightest load it starts to throttle up and down. If I choke it half way it will throttle up an smooth out for a brief period. Gas supply is good, I just replaced the fuel line and sediment bowl. I also looked in the tank and there is no debris clogging the port. I have also just replaced the points, condensor, rotor, cap and plugs. I'm not sure if this is a new problem since this is the first I have used the tractor since I got it. After I replaced everything I drove it around the yard and up and down the road and it purred! Sorry for the long post and TIA for any help! Edited by john(MI) - 18 Sep 2017 at 9:47am
	D14, D17, 5020, 612H, CASE 446

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MACK Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 17 Nov 2009 Points: 7664	Post Options Post Reply Quote MACK Report Post Thanks(0) Quote Reply Posted: 18 Sep 2017 at 7:02am
	Needs carburetor cleaned. MACK

steve fischer Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Jul 2011 Location: sleepy eye mn Points: 995	Post Options Post Reply Quote steve fischer Report Post Thanks(0) Quote Reply Posted: 18 Sep 2017 at 7:09am
	sounds like dirt in air bleed to main nozzle , use fine wire (tag wire , bread tie ) to go in hole to make sure open