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AF cast 175 kit
Posted: Sun Oct 19, 2014 1:48 pm
by onefortheroad
Hi
Is anyone running an AF cast iron 175 kit on a series 2 with a 20mil dellorto, standard air box and pipe?
Any ideas on carb jetting?
Cheers
Dan
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Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 2:27 pm
by bristolmod
I'd be inclined to jet as per TV200 and go fractionally up/ down from there, but......
just a thought about your air intake scoop under the seats- what sort is on there first?
Chris
Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 2:31 pm
by onefortheroad
Tv200 as opposed to tv175?
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Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 2:39 pm
by onefortheroad
It's the standard scoop and early type airbox. It's got a fast flow tap and air filter
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Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 2:47 pm
by bristolmod
I'm a series 3 bloke so not too sure which scoop you've got- I know some were really restrictive.
To be safe I'd be inclined to run it without the scoop initially- and yes, I'd run TV200 jetting as the only real difference is the size of the main jet (TV200= 108; TV175= 106), and the starter (TV200= 48; TV175= 50)
You MAY find the whole intake system is restrictive compared with a S3 set up.
Run it and see how it goes subject to plug colour/ chops etc
Chris
Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 3:13 pm
by onefortheroad
Cheers
Why would you go for tv200 jetting on a 175 kit? (I'm a bit clueless when it comes to jetting)
I've been advised to dremmel out the airbox and scoop to open them up but haven't as yet.
It's a standard s2 tv175 exhaust also.
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Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 3:24 pm
by bristolmod
if its a genuine AF kit then its had a bit of a tune- consequently it should perform better than "other" 175 conversion kits -some of which produce actually less power than a standard 150!). I would prefer to start slightly "rich" (i.e. the 108 main) then work down to a 106 if required- in reality there will be very little noticeable difference.
I've removed a few "swan necks" on standard airboxes (S3's) and it does help it breath (IMO!!).
If it was myself, I'd be inclined to replace the standard S2 exhaust, with a quality "Clubman" and then definately jet as TV200.
Anyone else out there got any views on this set up?
Chris
Re: AF cast 175 kit
Posted: Sun Oct 19, 2014 4:23 pm
by onefortheroad
I've ordered the bits. The experiment continues!
Any views on the s2 style clubman as I'd like to keep it looking standard from the outside
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