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ct2 175 carb options

  • dirkbaynham
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ct2 175 carb options was created by dirkbaynham

Hi
Will a carb off a ct1 175 fit and work on my ct2 without rejetting. 
Iknow the ct1 has no reeds and carb body is a different part number but i,m finding it hard to find a good 1972 carb
Also are the cheap chinese copies worth looking at or steer clear
will try to get some pics up of project later.

Thanks in advance for any advice
05 Jul 2021 07:12 #1

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Replied by Jaydee on topic ct2 175 carb options

I was in the same position as you, and went for the Chinese copy option.  It didn't work well out of the box, and I had to set it up using parts from my damaged original carb and jets from ebay. Together with advice on jetting etc from the tech section on here.  So not plain sailing.

I have got to a point however where it performs satisfactorily.

Note: some but not all parts where interchangeable with original.

So I would say if at all possible try and get hold of a Mikuni original, (I am still keeping my eyes open for one). 

But I know from experience that, with work, you can get the Chinese copies to do the job, if you can't get hold of an original.

 
18 Jul 2021 11:28 #2

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Replied by RT325 on topic ct2 175 carb options

Cheep enough to give it a try. Have one on my 175 but the type that fits into a rubber manifold against the reed housing. I'm sure i had to jet the main but also sure i changed the thread either on the jet or up the spout as threads were incompatible. Think change up the spout of the needle jet in hindsight so is easy to swap jets until i got it jetted. Didn't have the bowl side mounted main jet on what i bought. Not sure if i had a plan for the pilot jet but is ok luckily. Think i leaned off the slide needle a clip or so. Might have a pic of my ratbike handy.
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18 Jul 2021 19:23 #3

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Replied by Jaydee on topic ct2 175 carb options

Sounds very much like my setup RT325, but mine is the bolt on type rather than the rubber manifold. As you say I had to lean of the needle jet, (fitted the mikuni needle and slide from original carb) also changed the pilot jet. The main issue as you say is the main jet cant be changed externally and is a differant set up and thread. Im still running with he Chinese main jet, works but maybe It could be better.
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19 Jul 2021 12:16 #4

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  • dirkbaynham
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Replied by dirkbaynham on topic ct2 175 carb options

thanks for the replies
think i,m going to keep my eye out for a mikuni.
managed to pick one up for my 250 last week.
19 Jul 2021 13:58 #5

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Replied by MarkT on topic ct2 175 carb options

What do you have of the stock carb?  I think I may have one without the bowl...  I probably have a bowl but it's in the shed that I can't get open right now.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
19 Jul 2021 16:22 #6

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Replied by JayB on topic ct2 175 carb options

Mark, I (or others near you) would like to help you get that shed open, especially if we can look inside!
20 Jul 2021 16:59 #7

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Replied by Mothersbaugh on topic ct2 175 carb options

"Mark, I (or others near you) would like to help you get that shed open, especially if we can look inside!"

Sounds like a good TV reality show, like when they opened Al Capone's safe live on the air...

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20 Jul 2021 17:24 #8

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Replied by Schu on topic ct2 175 carb options

"I probably have a bowl but it's in the shed that I can't get open right now."

Come on Mark.
Open That Shed.
 
Schu

CT175B, CT175C, JT1' JT2' DT360A, GT80B, DT100B, DT125B,
DT175B, DT175C, DT250B, DT400B, Z50, SCR950

Someday, you'll own some Yamahas
20 Jul 2021 18:44 #9

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Replied by Sneezles61 on topic ct2 175 carb options

Maybe the snow is piled up really deep... and the shovel is IN the shed..
Sneezles61
21 Jul 2021 04:23 #10

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