bs34's

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16 Jul 2011 10:44 #463139 by Old Man Rock
Replied by Old Man Rock on topic bs34's
GO - Nads - Go... :woohoo:

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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16 Jul 2011 11:43 - 16 Jul 2011 11:49 #463141 by otakar
Replied by otakar on topic bs34's
Sometimes I just have to scratch my head when I read some of these. But I guess it's better than scratching my A$$. I have been threw this in my early years but than I discovered pin gauges and I than found out "why not" "one drill, four holes, four different sizes" Even the difference between a "go" and "No-go" will make a big difference in flow. Now you have four cylinders and each trying to out-power the other. Since the main jets are in use only at full throttle; what a way to twist your crank. But, I guess sometimes posting to some of these threads is like "Pi$$ing in the wind" it will just come back and hit you in the face. Its more fun. just watching the other guy do it. All this just for $12. I have a box of jets numbering 12 in each size starting with #95(cc/Min) and ending with #150(cc/Min)and after all these years I would still have no idea what the flow would be on a jet that would be drilled to 1.55mm and the hole left un-gauged and un-polished. Or maybe the operative word here would be "Polished" or as we say in the Corps "Afro Engineered" :sick: :laugh: :whistle: Even the time it took me to write this post was not worth the $12 it would cost from Z1E to buy the four jets. ;)

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
Last edit: 16 Jul 2011 11:49 by otakar.

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16 Jul 2011 11:49 #463142 by Patton
Replied by Patton on topic bs34's

Old Man Rock wrote: GO - Nads - Go... :woohoo:

+1 :cheer:

Good Fortune! :)

1973 Z1
KZ900 LTD

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16 Jul 2011 11:56 #463144 by otakar
Replied by otakar on topic bs34's

Patton wrote:

Old Man Rock wrote: GO - Nads - Go... :woohoo:

+1 :cheer:

Good Fortune! :)


i guess that is the local way of; being the one who is watching the other guy "Pi$$ in the wind" The nice part about the electronic version of watching is that you will not catch any "over-spray" :whistle:

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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16 Jul 2011 15:00 #463166 by Patton
Replied by Patton on topic bs34's

1973 Z1
KZ900 LTD
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16 Jul 2011 16:23 #463180 by nads.com
Replied by nads.com on topic bs34's
Ok I drilled the jets then put the bit inside each one. They were a little different.

I slid them on the bit and rotated them back and forth, then flipped them over and did the same.

Now all four are the same it's gonna work, see each time you drill a set you learn something new.

You get better, stronger, faster, harder. And more precise. If anyones thinking my 145 is too rich well see if they can tell me which one? :woohoo:

I'm gonna win again and nobody can understand how he does it :silly:

Go with the flow,

wabaa! wabaa! errroooommmm chicka chicka.

Otakar kicks the leather bag outside his sod hut,

No mail again today,

Inside the hut he desperatly hammers out another message on the telegraph to the nasa base headquarters, Where are my jets?


Nads wakes up on the edge of the forest, dreaming of cordless drills and truckloads of brass, he has a warm glow in his stomach knowing the bike in front of him is going give him thrills all day long, with the new drilled jets he installed.

It's a one size fits all world after all, he's the big dog today, like everyday.

Otak frustrates as the measured flow rates never are the same, :pinch: Thinking of nads and how he manages to cut every corner he has a sudden overwhelming feeling of :huh: :blush: :dry: This just isin't funny anymore :(

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16 Jul 2011 16:25 #463181 by nads.com
Replied by nads.com on topic bs34's

Patton wrote:


Me lying on the ground laughing, waiting for otak to catch up.

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16 Jul 2011 18:48 - 16 Jul 2011 18:58 #463200 by cavanaughracing
Replied by cavanaughracing on topic bs34's

nads.com wrote: Ok I drilled the jets then put the bit inside each one. They were a little different.

I slid them on the bit and rotated them back and forth, then flipped them over and did the same.

Now all four are the same it's gonna work, see each time you drill a set you learn something new.

You get better, stronger, faster, harder. And more precise. If anyones thinking my 145 is too rich well see if they can tell me which one? :woohoo:

I'm gonna win again and nobody can understand how he does it :silly:

Go with the flow,

wabaa! wabaa! errroooommmm chicka chicka.

Otakar kicks the leather bag outside his sod hut,

No mail again today,

Inside the hut he desperatly hammers out another message on the telegraph to the nasa base headquarters, Where are my jets?


Nads wakes up on the edge of the forest, dreaming of cordless drills and truckloads of brass, he has a warm glow in his stomach knowing the bike in front of him is going give him thrills all day long, with the new drilled jets he installed.

It's a one size fits all world after all, he's the big dog today, like everyday.

Otak frustrates as the measured flow rates never are the same, :pinch: Thinking of nads and how he manages to cut every corner he has a sudden overwhelming feeling of :huh: :blush: :dry: This just isin't funny anymore :(


Not a problem.... just synchronize each carburetor for the variance in jet sizes and adjust valve lash in similar fashion. If need be run the needles on different clip positions as well.

The reason you got different sizes was because you didn't purchase a bottle of special brass lube that's made specifically for drilling jets. You can't use Keihin lube in Mikuni Jets & vice / versa.

Shinola can be substituted for jet lube if you keep the drill RPM under 173.5 RPM. Anything over that will cause the jet to varnish as it's being drilled and defeat the purpose :woohoo:

Be all that as it may..... Let's not loose sight of this one simple fact. The single best tool to work on BS34's is still...... a 3 lb. hammer :evil:
Last edit: 16 Jul 2011 18:58 by cavanaughracing.

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16 Jul 2011 19:08 #463203 by jonnybravo
Replied by jonnybravo on topic bs34's
Somebody find Nurse Ratchet :woohoo:

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16 Jul 2011 19:48 #463209 by ELCouz
Replied by ELCouz on topic bs34's

I just bought an 81 ltd w/ those 34 carbs and the 122 is the stock main jet. I'm looking at installing the 127 main along w/ the adjustable needles that came with the standard J model 1000 of that same year. I just joined this forum and llok forward to alot of good reading.!!



Weird on KZ750-R1 (GPZ) 82 which come with Mikuni BS34 with #110 main jet stock !

Looks like same carb may have different stock configurations.

regards,
laurent

1982 KZ810-R1 GPZ with hindle 4-into-1 pipe

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  • TeK9iNe
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  • What did you do!?!
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16 Jul 2011 19:59 - 16 Jul 2011 20:03 #463211 by TeK9iNe
Replied by TeK9iNe on topic bs34's
Oh I'm all warm and fuzzy. How I've missed the hijinx and NADS bullshit, will my chuckling ever cease? :laugh:

I would ever love to have your incredible senses thou, NADS. The ability to eyeball/feel thousands of an inch in differences between jets and declare them "same, PERFECT"! :laugh: :woohoo: :laugh:

It doesnt matter really, its your shit, go for it. Just please keep telling us how awsome it is, I love it!

PEACE.

B) :laugh:

Oh yeah, and PS. 145 is WAY too rich, so is 140... :laugh:
Dont forget - all jet manufacturers use different specs that are not based on measurment - some flow rate, some just numbers... Your such a tool, I love it! :woohoo:


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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Last edit: 16 Jul 2011 20:03 by TeK9iNe.

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16 Jul 2011 20:55 #463219 by hocbj23
Replied by hocbj23 on topic bs34's
Please find Nurse Ratchit. Cavanaugh needs an enema and Nads needs his meds.bj

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