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TM33 carbs

  • Thread starter Thread starter amxsteve
  • Start date Start date
A

amxsteve

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I recently purchased an 83 1100 with flatslide carbs on it they look completely different than the rs36 on my other bike.Looking at google images they look like tm33 but all pics show these carbs for single cylinder motors only.Any ideas guys and are they worth keeping
 
If they've been sorted out and the bike runs good they are definitely worth keeping.
 
Billy Ricks said:
If they've been sorted out and the bike runs good they are definitely worth keeping.
Click to expand...
bike wasnt run in probably 10 years the carbs need to be gone over well even the accelerator pumps are seized good news is the motor sounds great with my 36,s in place
 
i don't believe the TM series have accelerator pumps and i don't think they are rack mounted.
non rack mounted carbs on a 4 cylinder bike is a nightmare to keep in sink and for sure not worth the hassle.
most are for drag bikes because they only need to idle and go wide open.
 
The 33s had pumps and I've seen racks of them before. They preceded the RS series and were the next step between VM and RS series carbs.
 
Billy, I have NEVER seen a set of 33 ANY slides with accellerator pumps. I'd like to see a pic of these. I've also never seen the single flatslides with pumps either or in a rack other than something someone made as a one off. Ray.
 
Looks like these have fuel nozzles to me for the pumps, and are racked.
 
amxsteve said:
yes they are racked and do have nozzles when i measured with my caliper they are 50mm o.d inlet 40mm o.d out and 33.9 i.d outlet
Click to expand...
I was just being a bit of a smart-a$$. I knew there were 33s that had the pumps. Maybe not all of them had pumps but they were available.
 
Last edited:
FYI
these are 34mm not 33's.
these are also factory canadian or UK carbs and i don't think the manufacturer was suzuki.
i removed a set from a customers 1150 last year and replaced them with a set of brand new RS36's.
also,
i don't believe these are considered TM series.
i have never seen odd size after market(29/31/33/35 ect.. round slide smooth bores with an accelerator pump.
i stand by my previous statement.
 
i see the print but the picture is of RS carbs.
33.9 would be 34mm?
the ones i removed last year measured 34mm and they was the same as the original poster here added(side pulls/angled throats semi downdraft-ish).
maybe its just me but i still don't get it.
 
No they're not. Tops are different, bowls are different, plunger for the pump is on the intake side of the carbs, they look similar but they aren't RS. I have RS34s so I know they aren't RS. I've seen racks of TMs on Ebay before. They aren't common but they do exist. When you see a single TM the top is different, just a cable running to the slide.

Here's an old thread on Gixxer.com about them.
http://www.gixxer.com/forums/showthread.php?t=184925

http://www.cyclewareables.com/pages/carbs_mikuni_tm33_series/mikuni_tm33_8012_parts.htm

From cyclewearables.

mikuni3.jpg
 
Last edited:
rapidray said:
Those are RS34s! PERIOD! Ray.
Click to expand...
hate to disagree but they are definately not rs34 when i measured the i.d i was not deep enough they measure 33mm exactly and all measurements on mikuni,s website indicate they are TM33-12 i just cant find any mention anywhere that they are rack mounted.Oh well life goes on. here is a side view
 
those for sure are not RS series mikuni's.
the set i removed last year was sold by the owner to some kid who never used them and then a 2nd party listed them on ebay and so on and so forth.
the set i removed measured 34mm at the opening and looked exactly like the ones pictures with the tilted bodies and the side pull cables set up.
the carbs i am talking about would have been sold from the S/W ohio area..
hell,
maybe these are the same ones:confused:
very very very uncommon carbs to see and the first and last set i had ever had in my hands.
 
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