BS34 Air Leak Locations ?!?! >(

  • TeK9iNe
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04 Jun 2011 18:03 #455417 by TeK9iNe
Replied by TeK9iNe on topic BS34 Air Leak Locations ?!?! >(
Damnit I still cant find a leak anywhere. This is really pissing me off.

Anyone else have any suggestions as to a location for air intrusion on these BS34's???

B)

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79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
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  • Motor Head
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04 Jun 2011 18:42 #455421 by Motor Head
Replied by Motor Head on topic BS34 Air Leak Locations ?!?! >(
Have you had the carbs off and measured the butterfly to bore on each, to see if the offender is getting more air/ signal?

1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
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  • Grantl
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05 Jun 2011 12:14 #455586 by Grantl
Replied by Grantl on topic BS34 Air Leak Locations ?!?! >(
Have you checked the diaphragms for pin holes?

1981 KZ1000 CSR
1983 KZ750 Project Bike
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05 Jun 2011 22:58 #455682 by JR
Replied by JR on topic BS34 Air Leak Locations ?!?! >(
I've had an annoying little spit back through either #1 or #2 carb this past few weeks. Only noticeable when I started the bike first and the choke was on. I played with the mixture screws and no good. I was confident the vacuum caps were solid but I got new ones on Saturday morning anyway and put them on. Also replaced the vacuum line to petock as I think the hose clip had gouged a wee hole. I think it's fixed. I hope it's fixed. Replacing the vacuum caps was $5 . worth a try ?

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  • TeK9iNe
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06 Jun 2011 18:17 #455818 by TeK9iNe
Replied by TeK9iNe on topic BS34 Air Leak Locations ?!?! >(

Motor Head wrote: Have you had the carbs off and measured the butterfly to bore on each, to see if the offender is getting more air/ signal?


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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06 Jun 2011 18:18 #455819 by TeK9iNe
Replied by TeK9iNe on topic BS34 Air Leak Locations ?!?! >(

Grantl wrote: Have you checked the diaphragms for pin holes?


Yes, and I even swapped a couple (though you shouldnt), and it still didnt help.

Put them back afterwards...

:(

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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06 Jun 2011 18:19 #455820 by TeK9iNe
Replied by TeK9iNe on topic BS34 Air Leak Locations ?!?! >(

JR wrote: I've had an annoying little spit back through either #1 or #2 carb this past few weeks. Only noticeable when I started the bike first and the choke was on. I played with the mixture screws and no good. I was confident the vacuum caps were solid but I got new ones on Saturday morning anyway and put them on. Also replaced the vacuum line to petock as I think the hose clip had gouged a wee hole. I think it's fixed. I hope it's fixed. Replacing the vacuum caps was $5 . worth a try ?


Swapped the vacuum caps (all four capped w/on - off petcock). Still no change... :( :angry: :silly:

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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  • TeK9iNe
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06 Jun 2011 18:21 #455821 by TeK9iNe
Replied by TeK9iNe on topic BS34 Air Leak Locations ?!?! >(
Thanks for all the replies, but the problem still persists.

I just cant figure out where the extra air is coming from.

It's a strange mystery defying my sense of being!

:P

Still runs good, once tuned up - just frustrated the hell out o' me.

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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