Mikuni TMX 30 Choke Conversion Pull under cowl to cable
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Lurker
Joined: 02 Nov 2019
Posts: 2

Mon Jul 20, 2020 5:22 am quote
Looking for input and pictures from people who have converted to a side draft style carburetor and installed a choke cable. Getting a P200 motor with a Mikuni TMX30. I would like to remove the Dellorto SI choke cable and put in a cable for the TMX. I've done this before and other scooters and there was some trial and error involved. Looking for input on these scooters as to what may have worked better. I have a TMX choke lever kit, Malossi cable kit, and Sip Pull knob on its way. Hoping between those parts I can figure something out.
Addicted
2007 Stella 150
Joined: 02 Nov 2019
Posts: 761
Location: Rochester, Minnesota
Mon Jul 20, 2020 1:53 pm quote
Interesting
I must have created a second account at some point.
Ossessionato
05 Stella, '62 VBB, 76 Sprint V, 63 GL
Joined: 16 Jun 2011
Posts: 2606
Location: Chicago. Well, Evanston, but that's almost Chicago
Mon Jul 20, 2020 7:12 pm quote
I've converted my existing choke cable by soldering the plunger for the conversion kit onto the end of the existing choke cable. It's kind've a PITA to get done, but works fine once you do.
Molto Verboso
62 VBB1T Round Tail W/ leaner sidecar
Joined: 26 Jan 2019
Posts: 1520
Location: california
Mon Jul 20, 2020 8:31 pm quote
Totally interested in this question.
My carb has unique challenges - tho I have a concept for it.
Having said that - have also considered the benefits of some kind of swing up side cowl.
Have you guys seen that executed well anywhere?
Addicted
2007 Stella 150
Joined: 02 Nov 2019
Posts: 761
Location: Rochester, Minnesota
Tue Jul 21, 2020 2:44 am quote
I'm hoping this kit does it's job

https://www.sip-scootershop.com/en/main/base/Details.aspx?ProductNumber=MEG03300have

And this bend, I'm guessing I will need more bend. If I do I'll find something to bend it around so it doesn't kink. Not a high use cable wear should not be an issue.

https://www.sip-scootershop.com/en/products/cable+bend+mikuni+for+all+tm_meg04300

Bought this knob

https://www.sip-scootershop.com/en/products/choke+lever+sip+for+cable_26216850have

Not sure what makes these phb specific except the ends but hopefully will be a good starting point.

https://www.sip-scootershop.com/en/products/cable+kit+phb+for+vespa+125_94110000
Addicted
2007 Stella 150
Joined: 02 Nov 2019
Posts: 761
Location: Rochester, Minnesota
Wed Jul 29, 2020 4:45 pm quote
Pictures of the parts looking like a cable should.

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Enthusiast
P200e
Joined: 29 Jul 2018
Posts: 51
Location: Orange , Ca
Wed Jul 29, 2020 4:52 pm quote
Hey Chris , weather maybe different in your neck of the woods But i never needed the choke On that engine . Maybe install the engine and see if you even need the choke . Might save you some trouble and money . Just my two cents !
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2007 Stella 150
Joined: 02 Nov 2019
Posts: 761
Location: Rochester, Minnesota
Wed Jul 29, 2020 4:56 pm quote
VSX1T wrote:
Hey Chris , weather maybe different in your neck of the woods But i never needed the choke On that engine . Maybe install the engine and see if you even need the choke . Might save you some trouble and money . Just my two cents !
Good to know, planning on installing it as then go from there.
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 7706
Location: Victoria, Australia
Wed Jul 29, 2020 6:40 pm quote
Re: Interesting
So how is the choke knob retained in this system? No threaded part or anything...
Christopher_55934 wrote:
I must have created a second account at some point.
Is one Evil Christopher?
Ossessionato
Joined: 26 Oct 2015
Posts: 2543

Wed Jul 29, 2020 11:39 pm quote
I'm just wondering where all the other 55932 Christophers are...
Molto Verboso
One or two fun scoots....nothing too precious
Joined: 17 Jul 2013
Posts: 1476
Location: UK (South East)
Thu Jul 30, 2020 1:46 am quote
whodatschrome wrote:
I'm just wondering where all the other 55932 Christophers are...
^^ This made my laugh

I have the same dilemma BTW. Do I just stick with the stock choke on my PWK 35 and just live with removing the cowl before a ride (cold engine), or do I bother with a cable conversion and run the risk of it not being entirely satisfactory??
Addicted
2007 Stella 150
Joined: 02 Nov 2019
Posts: 761
Location: Rochester, Minnesota
Thu Jul 30, 2020 7:58 am quote
Re: Interesting
Ginch wrote:
So how is the choke knob retained in this system? No threaded part or anything...
Christopher_55934 wrote:
I must have created a second account at some point.
Is one Evil Christopher?
From what I can tell, the SIP knob goes through the same metal hole and or tube the Stella choke knob currently uses. Then the cable sheath, is captured on the inside, same as the factory cable sheath. The cable itself is captured on the plunger on one end and the knob has a hole or is hollow in the center and the cable passes through the center. There is a set screw near the handle to clamp down on the cable. This is all hypothetical at the moment, will document more as I get closer to trying it.
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