Replying to Thread:

Injectors bad?

Created On Friday 23, July, 2010 7:48 AM by jerock

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[q]I have a BX2200 and I have rebuilt most of the engine and would really like to see it start (smile). I think I may have a problem with the injectors, but would like some input. When I remove the lines from the fuel injection pump to the injectors, fill the injectors with fuel, and turn the engine over it throws the fuel a few feet into the air thus emptying the injectors. Is that what it should do or should the injectors effectively be a check-valve and not allow air from the cylinder to come back through the injector? Basically I'm trying to figure out if I need to replace the injectors. I just put a new fuel infection pump on the engine... Thoughts?[/q]

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jerock

Posts: 1
Joined: Jul 2010

Friday July 23, 2010 07:48

I have a BX2200 and I have rebuilt most of the engine and would really like to see it start (smile). I think I may have a problem with the injectors, but would like some input. When I remove the lines from the fuel injection pump to the injectors, fill the injectors with fuel, and turn the engine over it throws the fuel a few feet into the air thus emptying the injectors. Is that what it should do or should the injectors effectively be a check-valve and not allow air from the cylinder to come back through the injector? Basically I'm trying to figure out if I need to replace the injectors. I just put a new fuel infection pump on the engine... Thoughts?

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JoeZ

Posts: 938
Joined: Dec 2008

Friday July 23, 2010 16:25

That is a real simple fuel systen and so are the injectors. The injectors should not fire fuel back from where the line connects. Did you take extreme care as NOT to damage the little points coming out of the injector nozzles?

-------------------------
One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.

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