tv175 ser 2

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li mick
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Fri Apr 20, 2018 10:27 pm

came to fit a delorto sh2/22 carb onto a standard rebuilt ser2 tv175 and found it wouldnt fit.
the o/d of the manifold is 30mm and the i/d of the carb is 30mm with the plastic reducer in,
just wondering if the manifold is standard as i never checked it before fitting cowling and putting in scooter. :roll: :roll: any advice welcome,thanks.
Mick.

Daggs
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Sat Apr 21, 2018 9:08 am

I've had that problem in the past. I've also had them very loose fits.
I think it's just down to poor machining.
Just rub the manifold down a bit and use 2T on it when fitting the carb.

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vegansydney
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Sat Apr 21, 2018 1:59 pm

I used a TV/2 manifold and swapped the bushing in the SH2/22 for a TV/2 type (available from Dell'orto UK). As the curvature of the TV/2 manifold (and LI/2) is different to the S3 type it also means you won't have to trim your cylinder cowl for it to fit.

Alternatively, use a GP manifold, but be prepared to trim cowl.

li mick
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Sat Apr 21, 2018 2:13 pm

thanks both much appreciated.

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Doom Patrol
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Sat Apr 21, 2018 2:33 pm

I'm running a 22mm carb on my TV175 S2. I used a Scootopia GP manifold and I don't think any cutting of the cowl was involved.

li mick
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Sun Apr 22, 2018 8:58 am

i have looked for one of these carb bushes and cant find any,can anyone find a link,thanks.

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Doom Patrol
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Sun Apr 22, 2018 12:38 pm

Have a mooch in here...

https://www.dellorto.co.uk/

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