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  1. #1
    ou812's Avatar
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    Crud in the rear carb pump

    **Edited**

    This is what was inside of the rear carb pump. The screws weren't even snug, They were almost loose enough to turn by hand. You think this would cause a "no plug color" symptom on that plug? We went from 1.25 out to 2.5 turns out & the color was always a light pinkish color while the other plugs ( cyl 1 & 2) were light tan @ 1.5 out.
    All jetting is the same:
    100 pilot
    120 main
    shiney silver spring (85?)
    1.5 n/s

    Looks like water was getting in there 'cause I see water stains on the carbs on #2 & 3 carbs. #2 carb was similar to this but not as bad & only 2 screws were not very snug. **note pic rear carb 4.jpg.** If you look closely you'll see the valve has a small crease in it & is lifted up from the surface. Will this need to be replaced?

    **EDIT**

    OOps!!

    I'm an idiot.
    This is the front carb.. WOW, this makes things even more confusing now. The front carb was showing a nice tan on the plugs at 1.5 out. But then again, this cyl has been worked on 2 times now & maybe this is why? Sorry for the mess up..
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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Name:	rear carb 2.jpg 
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Name:	rear carb 4.jpg 
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    Last edited by ou812; 08-02-2006 at 02:58 PM.


  2. #2
    Moderator Insanediego Joe's Avatar
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    That check valve needs to be replaced. Replace them all while your in there.

  3. #3
    All hail the Chief! fullboogie's Avatar
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    Change your filters at least once per season, and use some thread sealant (not locker) on your screws in the future.

  4. #4
    Quote Originally Posted by fullboogie
    Change your filters at least once per season, and use some thread sealant (not locker) on your screws in the future.
    U R A GRASSHOPPER

  5. #5
    ou812's Avatar
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    Quote Originally Posted by fullboogie
    Change your filters at least once per season, and use some thread sealant (not locker) on your screws in the future.
    Filters were clean & new. Thanx for the info on the sealer.

  6. #6
    Reassemble and pressure test the carbs about 3 pounds less than the pop-off and make sure it holds it. My experience after lookingat an oring like that is that it needs to be replaced.

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