Sticking carb slide.

[LeBlanc, DanielJ]

Hi Randy.

Have you checked the diaphragm for damage?  My understanding is that the slides are vacuum-actuated and the diaphragm must be in tact and have a good seal for this to happen. 

Thanks.

Daniel J. LeBlanc, P.Eng., MBA, DTME

-----Original Message-----
From: gpzlist-bounces at micapeak.com [mailto:gpzlist-bounces at micapeak.com] On Behalf Of Randolph Peters
Sent: Saturday, April 12, 2014 11:31 PM
To: LeBlanc, DanielJ
Subject: Sticking carb slide.

Hi Guys,
I would be grateful for your advice on a problem I am having while doing my yearly spring tune-up.
When I restarted the bike after checking valves and changing plugs, and was hooking up my carb-balancer I noticed that on blipping the throttle three carb slides were not moving.
I pulled  all the slides (carbs in place; I had totally dismantled and cleaned them less than 2000 miles ago) cleaned with lacquer thinner, replaced them and fired up.
All started moving except no. 4 carb.
I have pulled that sucker maybe 10 times cleaned, sprayed WD 40, removed WD 40 rubbed the hell out of it with lacquer thinner and still the freaker won't move. Pushing it up with a screwdriver  through the throat it slides up easily and falls back down smoothly. The resistance registers no discernible difference compared to the others.
I don't want to use any abrasive, even the finest paper since these slides are plastic.
Any advice?
Thanks
Randy from New Orleans
Ex Gpz now ZZR1200
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