BS34 Slide Choke Won't Stay Closed!

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23 Jul 2009 12:47 #308851 by TeK9iNe
BS34 Slide Choke Won't Stay Closed! was created by TeK9iNe
The choke closes fine, and pops into the correct position. But with vibration or a slight twist of the choke nob the plunger slides out on its own.

It leads to a temporary flooding/hesiation situation that is very annoying...

Any suggestions?

Maybe I should drill a little hole thru the other end and put a clip-pin in there... LOL!

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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23 Jul 2009 13:24 #308857 by KawiConvert
Replied by KawiConvert on topic BS34 Slide Choke Won't Stay Closed!
Are the spring and ball catches still in place? Very small, and very important. If not, you could add a spring to keep the lever in and only hold it out by hand to start.

1978 KZ650 D1 ~ Carb jetting: 107.5 & 20 & 4th groove with pods and 4-1 Exhaust

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23 Jul 2009 13:55 #308862 by TeK9iNe
Replied by TeK9iNe on topic BS34 Slide Choke Won't Stay Closed!
KawiConvert wrote:

Are the spring and ball catches still in place? Very small, and very important. If not, you could add a spring to keep the lever in and only hold it out by hand to start.


Havn't had a chance to check...

Adding a spring to the lever sounds right up my alley.
Thanks!

:)

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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23 Jul 2009 15:43 #308870 by keith1
Replied by keith1 on topic BS34 Slide Choke Won't Stay Closed!
i think mine were off a suzuki....choke is spring loaded shut and i have to pull it and hold it for choke and time release it manually as bike warms......

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23 Jul 2009 17:10 #308890 by otakar
Replied by otakar on topic BS34 Slide Choke Won't Stay Closed!
Boy- You've had all kind of problems with these carbs, haven't you? I think it is time to do a serious total tear-down overhaul. :ohmy:

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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23 Jul 2009 17:12 #308891 by KawiConvert
Replied by KawiConvert on topic BS34 Slide Choke Won't Stay Closed!
I'll have to check the Suzuki set I have. The ones from the gpz750 use two very small balls and two small springs that fit in a little notch on the pull shaft. I think there are two of them to make sure to hold it open or closed.

1978 KZ650 D1 ~ Carb jetting: 107.5 & 20 & 4th groove with pods and 4-1 Exhaust

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24 Jul 2009 20:47 #309157 by TeK9iNe
Replied by TeK9iNe on topic BS34 Slide Choke Won't Stay Closed!
otakar wrote:

Boy- You've had all kind of problems with these carbs, haven't you? I think it is time to do a serious total tear-down overhaul. :ohmy:


LOL, I've already done that... maybe a new set is in oder for next year. :P

There actually starting to run pretty good now after a few more tweaks...

i fixed the choke lever problem temporarily. The rod was slick with lube which let it squirm out under vibration. I simply blasted the whole thing with brake cleaner, now it stays in place fine.

:laugh:

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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25 Jul 2009 07:11 #309226 by Old Man Rock
Replied by Old Man Rock on topic BS34 Slide Choke Won't Stay Closed!
Keihin CR Specials.... ;)

Easy to work on regarding jets... Even a retard like me can do it.... :laugh:

1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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