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March 3rd, 2018, 12:24 AM   #31
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Probably gunk in the injector. You can remove the injector by unscrewing from the top. It's difficult and you need a flexible screwdriver with the correct bit. If you cant or give up you have to unfasten the throttle body and take it out on the right side.
Whatever way you do it dont use the two phillips screws when you install the injector! On the throttle body's right side there is a plastic cover with two allen bolts. Change out them to the two phillips and use the allen bolts for the injector! That way you will have an easier job removing the injector in the future as you can use a 3mm allen key with a round end
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March 3rd, 2018, 12:38 AM   #32
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Hi, i learnt from fellows here in germany to be very carefull which rubber hose you are using in the tank to avoid cloging the filter after some years. there are hoses availble suitable for in/under fuel operation, they are different from the normal fuel hoses you are using outside. dont know why. also learnt that the piaggio vespa 300 and ducati using the same fuel pumps. so maybe a worthwhile check at your local dealer.
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March 5th, 2018, 10:37 PM   #33
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Originally Posted by jon andersson View Post
Whatever way you do it dont use the two phillips screws when you install the injector!
Are the screws Phillips or Pozi?
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March 5th, 2018, 10:38 PM   #34
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Originally Posted by Carsten View Post
Hi, i learnt from fellows here in germany to be very carefull which rubber hose you are using in the tank to avoid cloging the filter after some years. there are hoses availble suitable for in/under fuel operation, they are different from the normal fuel hoses you are using outside. dont know why. also learnt that the piaggio vespa 300 and ducati using the same fuel pumps. so maybe a worthwhile check at your local dealer.
Thanks Carsten, I have pretty much came to the same conclusion.. unfortunately I wish I had known this a few years ago!
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March 6th, 2018, 12:30 AM   #35
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Originally Posted by kiwiberger View Post
Are the screws Phillips or Pozi?
Phillips.

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March 24th, 2018, 05:13 PM   #36
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Originally Posted by jon andersson View Post
Phillips.
Thanks ended up buying a new impact driver, and got the little rascal out, assuming there is no filter inside??.. I guess its just a replacement job? best place to buy a replacement injector?
Its a Keihin and marked K WF04 .. tried googling that partnumber but nothing found.
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March 24th, 2018, 06:11 PM   #37
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March 24th, 2018, 06:17 PM   #38
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List of all the bikes this injector fits.

Bunbury KTM Suzuki - KTM INJECTOR KIT CPL. (750 41 023 144)
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March 24th, 2018, 11:05 PM   #39
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Originally Posted by kiwiberger View Post
Thanks ended up buying a new impact driver, and got the little rascal out, assuming there is no filter inside??.. I guess its just a replacement job? best place to buy a replacement injector?
Its a Keihin and marked K WF04 .. tried googling that partnumber but nothing found.
Open the injector with a 9V battery. Blow compressed air against flow direction to clean it up. Worth a try as it will cost you nothing.
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March 25th, 2018, 11:49 PM   #40
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Originally Posted by Alan View Post
List of all the bikes this injector fits.

Bunbury KTM Suzuki - KTM INJECTOR KIT CPL. (750 41 023 144)
Interesting it doesnt list my MY 2009 HFE250?
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