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LoopGaroo
I just received my new CarbTune in the mail yesterday. We'll see; if I can figure it out, anyone can.
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Originally posted by 1_v8_merc View PostSpeaking of....does anyone know what size threading is used for the sync adapters or nipples?
Do all the bikes use the same size nipples/threading?Originally posted by duaneage View PostI believe they are M4 1.25 thread.
No, all bikes do not use the same, Kawasaki, for one, uses M6 adapters.
By the way, I got the "permanent" adapters from Z1 for my bike, thinking it would make the job easier. Well, it does make they sync job easier, but my bike is not yet perfectly tuned, and will hiccup occasionally while warming up. One of those hiccups spit off the rubber cap on the adapter, and I rode to work that day with a SERIOUS air leak and did not realize it. I shudder to think what could have happened if it had been an all-day ride, instead of 3 miles to work.
I tried some different rubber caps (tighter fitting), but ended up removing the adapters and going back to stock.
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)
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Good Times
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btbarb
Both tools
Originally posted by Good Times View PostI understand the carbtune. What does the colortune do?
The colortune is actually my favorite, it's a clear spark plug that shows you the combustion flame, it's a visual way to tell if your air/fuel mixture is right. Blue is good, blueish-orange is rich, and blueish-white is lean. My plug readings were ok and my performance was decent, but fine tuning with the colortune and sync'ng with the carbtune made a noticeable difference in smoothness and off idle low rpm transitions.
There's no substitute for experience, but if you don't have that, buy a carbtune and a colortune.
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Suzuki_Don
Originally posted by Steve View PostThey are not M4, they are M5 0.8 thread.
No, all bikes do not use the same, Kawasaki, for one, uses M6 adapters.
By the way, I got the "permanent" adapters from Z1 for my bike, thinking it would make the job easier. Well, it does make they sync job easier, but my bike is not yet perfectly tuned, and will hiccup occasionally while warming up. One of those hiccups spit off the rubber cap on the adapter, and I rode to work that day with a SERIOUS air leak and did not realize it. I shudder to think what could have happened if it had been an all-day ride, instead of 3 miles to work.
I tried some different rubber caps (tighter fitting), but ended up removing the adapters and going back to stock.
.
.
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Suzuki_Don
Originally posted by pete View PostI got a Carbtune Pro, the carb tool (the long screwdriver with the socket on the outside), and a Colortune for Christmas.
Only used the Carbtune Pro with the carb tool once so far but made the sync dead simple.
Yet to use the Colortune although I need to desperately...
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Originally posted by Suzuki_Don View PostPete is your Carbtune Pro the 4-cyl one.1982 GS450E - The Wee Beastie
1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020
sigpic
450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh
Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11
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Good Times
Originally posted by btbarb View PostI just recently got the carbtune and colortune. To some degree I'm glad I hacked on carb tuning and air/fuel mixtures without these tools for a six months - oh my - what a difference with the tools, it takes all the guess work out.
The colortune is actually my favorite, it's a clear spark plug that shows you the combustion flame, it's a visual way to tell if your air/fuel mixture is right. Blue is good, blueish-orange is rich, and blueish-white is lean. My plug readings were ok and my performance was decent, but fine tuning with the colortune and sync'ng with the carbtune made a noticeable difference in smoothness and off idle low rpm transitions.
There's no substitute for experience, but if you don't have that, buy a carbtune and a colortune.
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Originally posted by Good Times View PostI'll be buying a carbtune and colortune.
My summary? If you have the older VM carbs, the Colortune is GREAT.
If you have the newer CV carbs, the enthusiasm is a bit less.
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)
Comment
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TheCafeKid
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chedd
i use a set of (4) vacuum gauges on my gs750,they costŁ120and are real easy to use and are just about unbreakable.the colourtune sounds like a good buy!i recon i'll invest in one.
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1_v8_merc
Thanks for the info and pics guys.
The problem is actually my carb-tool stems(that screw into the boots), the outside ones are too long, and they nudge against the motor too much for comfort. Maybe I'll just cut 'em down a few inches.
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Originally posted by Suzuki_Don View PostOr you could do two twins at the same time.haha1982 GS450E - The Wee Beastie
1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020
sigpic
450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh
Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11
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