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post #1 of 6 (permalink) Old 07-25-2015, 07:44 PM Thread Starter
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Carb screws

I'm having an issue loosening 2 screws where the float chamber (right Carb) is located. I put a small pair of vice grips on one and broke it free. The other two screws are starting to strip and there's no way to get a hold of them with the vice grips.

Thee are a bunch of methods online including cutting a slot into the screw or using JB weld. I've used PB blaster. No luck. If you've worked on these carbs and have had a similar problem please clue me in. Thanks.

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post #2 of 6 (permalink) Old 07-25-2015, 07:57 PM
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If you have an impact screw gun, try that with a good tip. Hold it against the screw as tight as possible and go for it. The vibration of the impact should break it free.

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post #3 of 6 (permalink) Old 07-25-2015, 08:45 PM
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Put the Phillips screwdriver in the screw and tap hard two or three times.should loosen after that

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post #4 of 6 (permalink) Old 07-30-2015, 01:37 AM
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Those bowl cover screws can be a beast sometimes.
I used a fresh #2 phillips screw gun bit medium length. Making sure it was straight in the head of the screw, then with a hammer, tapped it a couple of times to get it snug, and then smacked it with 3 hard raps. Then, tapping it again to make sure it was still snug in the screw, slipped a 1/4" drive 1/4" socket over the bit and turned the socket with my 1/4" drive breaker bar. If it doesn't crack loose, try cracking it loose in the other direction (tightening) just enough to get movement (not enough to twist the head off)
On one of the screws I had to repeat the hard smacks a couple of times but it finally cracked loose for me.
Hope that helps.
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post #5 of 6 (permalink) Old 07-30-2015, 05:41 PM
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FYI those are jis screws (Japanese industrial standard) not the same as a Phillips head. Thus why they strip so easy. Right tools for the right job. The Philips is made to cam out the jis is not supposed to. I think Harbor freight has a bit set that has jis included like a 94 peice security bit set. I think that's where mine came from. Just imagine having 4 carbs worth of those and you've entered my current headache with my zrx
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post #6 of 6 (permalink) Old 07-30-2015, 08:07 PM
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I take a grinder to the tip of all my Phillips screwdrivers

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Support your local FREEBIRDS MC
1986/5 Vn700/750 Frankenfook cross eyed bitch "Mellisa Fayhe"
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lowered with progessive 412 10" shocks
rejetted for K/N Pods part#rc 2340
sportster seat

'I didn't lose my mind.i gave it away

BRING BACK WOLFIE."Peace and Carrots"RIP
"And I'm free...as a bird"John Lennon Free as a Bird
"I only carry when I have my pants on"Joe Robinson RIP aka Old Dog
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