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Technical Help Forum
Started by SamsGL650I at 07-14-2010 4:17 AM. Topic has 5 replies.
  
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 07-14-2010, 4:17 AM
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SamsGL650I
 
Joined on 05-30-2010
Annville, PA
Posts 93
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![Smile [:)]](http://choppercharles.com/cs/emoticons/emotion-1.gif)
Primary Main Nozzle-Removal and Repair
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Hi Guys, In my main carbs and (1) set of spares I used a combination of techniques to remove, then subsequently repair (and reuse) the primary main nozzles.
My findings- EVEN AFTER using an ultrasonic (Simple Green solution), heat (microbutane torch), carb cleaner, PB Blaster (drip) , then CLR (drip)- the !@#$%^&*!!! were STILL frozen solid in there., and wouldnt bulge. More heat, more ultrasonic-still no joy.
I (as delicately) as possible using a #1 "easy out"--- my intention being to preserve and reuse., removed them. I was shocked to see (after all of the above cleaning-they were still dirty) I had even used a micro(airbrush) cleaning brush, dipped in carb cleaner-still dirty upon removal.
After removal I carefully ground a new Sears 1/8" flatblade screwdriver (with a Dremel tool), carefully sizing it to the 1' nozzle screw bore (just as Larry describes in his book). I then dressed the carb bore casing where the nozzle threads with the 10/32 tap (ala L.s advice), THEN I used a new flat cut off wheel on the Dremel to redefine the 1' main nozzle slots, flatten their heads. Next I used a series of sandpapers (400, 600, 1000) to refine. Recleaned in carb cleaner.
THE RESULT- the 1' main nozzles are now cleaned , refined, and preserved for further use.
THE LESSON ( I learned)- NO amount of ultrasonic, carb cleaner , etc. can clean them in-situ--they were still "dirty" upon removal. and so should be removed to do a Larry-like job!! Sam
1983 Honda GL650I
Kawasaki EN500LTD
1st Bike: @1974 Honda CL 175
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07-14-2010, 5:46 AM
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Bryan
Joined on 02-06-2008
Marion, IN '80 CX D
Posts 312
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Re: Primary Main Nozzle-Removal and Repair
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I found the same situation - still calcified and clogged after several rounds in the ultrasonic. Larry's book was dead on. What surprises me most is how controversial his process of using an extractor ro remove the jet seems to be. All I know is that his method works.
1980 CX D Age: 50
Old Coots Indiana Chapter 44
"Indiana Baggers"
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07-14-2010, 8:10 AM
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Linny
Joined on 04-20-2010
Duluth, Mn
Posts 70
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Re: Primary Main Nozzle-Removal and Repair
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I agree fully! Larry's book is worth a lot more than I paid.
'81 CX500c
'71 CB350
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07-14-2010, 9:22 AM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,863
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Re: Primary Main Nozzle-Removal and Repair
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Well worth what I paid for it.
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
Quick Reference
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07-14-2010, 11:15 AM
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SamsGL650I
Joined on 05-30-2010
Annville, PA
Posts 93
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Re: Primary Main Nozzle-Removal and Repair
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Yeh,... I'm trying to coax him into including a few pages on his polishing technic in the second edition!
1983 Honda GL650I
Kawasaki EN500LTD
1st Bike: @1974 Honda CL 175
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07-14-2010, 4:22 PM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,863
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Re: Primary Main Nozzle-Removal and Repair
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I'm happy with just sending the carbs back to Larry when they need to be cleaned up again. lol.
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
Quick Reference
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Honda CX500 & G... » CX500 GL500 Tra... » Technical Help ... » Primary Main Nozzle-Removal and Repair
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