NEED CARB LUBE ADVICE!!!!

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NEED CARB LUBE ADVICE!!!!

07 Nov 2009 13:07
#331967
HISTORY: pulled the carbs off my 1978 kz1000A2 standard model 2 months ago for cleaning. Put them back on, and started the bike -- well I've had to pull the carbs back off again in order to CLEAN EM AGAIN.

Last night I found that my throttle slides were *stuck* *in* *the* *bore* of the durned carbs, all 4 slides -- the symptom when I ran the bike was, surprise surprise, high rpm that just wouldn't settle down.

I DID THE FOLLOWING CLEANING 2 MONTHS AGO
1) I cleaned inside of the carburetor interior bores with Berryman's carb cleaner, blew it off with an air gun

2) then lubed the throttle slides with household oil

3) NOTE: I did NOT remove the throttle slides for the cleaning 2 months ago, just moved them up and down as I doused the bores with Berrymans, air gun, then the oil


WOULD THAT EXPLAIN WHY the slides WERE STUCK IN THE BORES AGAIN despite my earlier cleaning? I mean, did the (engine heat + remnants of Berrymans + gasoline + household oil) = glue?

The main reason 2 months ago that I originally took the carbs apart was the bike had set for 10 years and the carb slides were stuck in the bore. So my attempt 2 months ago to solve the 'stuck in the bore' problem has failed cause the darned slides are sticking again.

Maybe there is still some 10-year-old gas/varnish in the carb bores...?

Thing is though, when I cleaned the carb bores 2 months ago with Berrymans and then doused them with household oil, them throttle slides were moving quite FREELY like a dog shoved onta a froze-up lake. I said to myself "Well, I fixed that sticking throttle problem -- let's reassemble and RIDE!!"

Now that I have to clean them all over again -- THIS TIME I have removed the throttle slides and will clean the bores out and clean the slides quite thoroughly.

What should I then to lubricate the throttle slide's bore prior to re-installing the throttle slides? Silicone grease? I SURE THE HECK AINT USING HOUSEHOLD OIL less you fellers thing thats a good idea....
1978 kz1000 A2 with Kerker
1980 Z1 Classic with Kerker

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  • keith1
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Re: NEED CARB LUBE ADVICE!!!!

07 Nov 2009 13:14
#331968
no lube is needed....how do the slides look? all discolored? make sure you clean the bores good with carb clean...i used a battery powered cleaning brush i got at wally mart ...kinda like a big electric toothbrush...spray the bores and scrub em....i actaully took some mothers to the slides to clean em up a little....try to make sure the slides go in the bores they came out of......

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  • PLUMMEN
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Re: NEED CARB LUBE ADVICE!!!!

07 Nov 2009 13:33
#331972
install the slides dry,the oil turns to goo and makes em sticky :(
Still recovering,some days are better than others.

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  • TeK9iNe
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Re: NEED CARB LUBE ADVICE!!!!

07 Nov 2009 13:41
#331977
Use some gasoline. It has lubricants in it for reasons similar. Slides nicely afterwards.

B)
Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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