- Posts: 4834
- Thank you received: 1415
Clear tube float adjustment on 29mm
- KZQ
- Offline
- Administrator
- Walking Behind the Corn May Not Be All That!
zukdave wrote: It can be but think about it no two float's weigh or float the same
so measuring them can be off.
I'm with you Dave. I haven't proven it yet but I suspect that the black foam floats gain weight when exposed to ethanol fuels. If that's true setting the float heights by turning the carbs upside down and measuring the heights means nothing.
If someone had a NOS carb float either for a KZ900 or any of the 1300's that has never seen fuel I'll weigh them against my old floats and perhaps learn something.
Bill
www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300
Please Log in or Create an account to join the conversation.
- Arial Bender
- Offline
- User
- Posts: 21
- Thank you received: 3
78 Z1-R
Please Log in or Create an account to join the conversation.
- spdygon
- Topic Author
- Offline
- Platinum Member
- Posts: 1026
- Thank you received: 117
but brother and i adjusted the carbs this way for the longest time on our drag and roadrace cycles .
besides if i rememeder correctly thats how it was suggested back in the days.
will post results this weekend.
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Please Log in or Create an account to join the conversation.
- Zephyrrider
- Offline
- User
- Posts: 586
- Thank you received: 50
Mick
1994 ZR750 Zephyr C4.
Please Log in or Create an account to join the conversation.
- spdygon
- Topic Author
- Offline
- Platinum Member
- Posts: 1026
- Thank you received: 117
so i did the clear tube way and adjusted them all.
bike sounds fine...like all fours are burning...but #2 cylinder at exhaust only has a temp off 160 at start up and 260 after warm up ...wiild #1 #3 #4 are over 200 and over 400 after warm up.
did notice a weak spark on the spark plug.....and yes did try another plug to make sure and check #4 wire as well and the spark was bigger/brighter then #2...same coil.
only thing i did not try was changing the plug wire....will try that next
coils are Nology from Italy with 8mm wire and ngk plug boots.
any idea why #2 has a weak spark?
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Please Log in or Create an account to join the conversation.
- KZQ
- Offline
- Administrator
- Walking Behind the Corn May Not Be All That!
- Posts: 4834
- Thank you received: 1415
I haven't read the whole thread yet. What are your compression numbers.
Bill
www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300
Please Log in or Create an account to join the conversation.
- spdygon
- Topic Author
- Offline
- Platinum Member
- Posts: 1026
- Thank you received: 117
1198 kit z4 cams 29mm carbs
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Please Log in or Create an account to join the conversation.
- zukdave
- Offline
- User
- Posts: 1685
- Thank you received: 229
It show's that when dealing with 35 + year old carb's what worked
when new may not work now.
After all these year's float's getting tweeked and bent can
make the measurement way hard to do.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.
Please Log in or Create an account to join the conversation.
- spdygon
- Topic Author
- Offline
- Platinum Member
- Posts: 1026
- Thank you received: 117
got all cylinder firing....actually bike idle better...but starting leaking gas from both "T"s. Ordered already.
so not an electrical issue..
where can i get a rebuilt kit for the 29mm smoothbores?
also need to remove the air jets from the two middle carbs...looks like one side of the jet is broken.
how can i reove them?
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Please Log in or Create an account to join the conversation.
- Patton
- Offline
- KZr Legend
- Posts: 18640
- Thank you received: 2098
spdygon wrote: 26mm from my 77kz1000...but starting leaking gas from both "T"s. Ordered already...where can i get a rebuilt kit for the 29mm smoothbores? also need to remove the air jets from the two middle carbs...looks like one side of the jet is broken.
how can i reove them?....
Z1E lists some smoothbore parts.
www.z1enterprises.com/ShopByCategory.aspx?category=0102010208
With care so as not to damage the carb's female threads, may be able to use a reverse cut drill bit to help remove the stuck air jet.
And BTW, leaking fuel pipe joints in old "dry" carbs returned to service, may swell enough from exposure to gasoline to soon quit leaking on their own.
Good Fortune!
1973 Z1
KZ900 LTD
Please Log in or Create an account to join the conversation.
- zukdave
- Offline
- User
- Posts: 1685
- Thank you received: 229
remember these were race carb's not street carb's.
Back in the day race team's would by part's by the 12 pack.
I got all my smoothie part's from Rob at Z1 call him he'll
take care of you.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.
Please Log in or Create an account to join the conversation.
- spdygon
- Topic Author
- Offline
- Platinum Member
- Posts: 1026
- Thank you received: 117
once i get the 26mm together ill take the 29mm apart and see what is needed.
still planning on how to remove the air jets....
Patton suggest to use a reverse drill bit....can i find some that small?
1982 GS1000sz Katana ( #15...17K Miles)
1982 GS1000sz Katana ( # 297....7100k Miles)
1978 Kz1000 Z1R. 10K Miles1
1978 kz1000 z1r 27k miles
1977 KZ 1000 A ( Project ) 54K Miles
1976 Kz900A4 (Red)21K miles
1976 Kz900A4 ( Red)7500 miles
1974 Z1 900 project
Please Log in or Create an account to join the conversation.