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Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Thu Jan 01, 2015 8:41 pm
by LittleBritishCar
I am installing a BGM 195 RT kit with a BGM big bore exhaust, an Italian LI 150 gearbox, 15/46 sprockets, a medium weight AF flywheel, and a 58mm stroke 107mm rod GP crank. Would a 30mm PHBH Dellorto breathing through a remote filter be too much for this setup? I want something with around town grunt but a decent touring spec too. Would it be worth going to a 28mm or even a 25mm PHBH? I have a 24 TM Mikuni and a genuine 28 PWK Keihin on the shelf but want to go with Dellorto. Any help and jetting advice would be appreciated. Thanks.
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Thu Jan 01, 2015 10:06 pm
by purple_pill67
I have a phbh28 on my rt225
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Thu Jan 01, 2015 10:47 pm
by Adam_Winstone
No, 30mm will be fine.
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 12:39 am
by Timbo
I wouldn't dare argue with Adam...
....but I think I read somewhere that you wouldn't get any better performance out of a 30 but just use more petrol...I might be wrong..
I have a 28 Delly on my RT225..
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 1:23 am
by Train Driver
I'm going the other way on my 255cc (64x71) I'm going back to a 24mm TM Mikuni
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 8:43 am
by Muttley McLadd
Apparently, if you use a carb smaller than a 30mil on anything, you start lactating.
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 9:02 am
by warts
Photo's!
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 10:24 am
by slangen
Muttley McLadd wrote:Apparently, if you use a carb smaller than a 30mil on anything, you start lactating.
True that and if using anything but a flat slide you're a real mamas boy.
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 10:37 am
by yozzer
I run a 28mm on a 225 and its fine, a friend of mine runs a 30mm, performance the same only he uses more fuel.
Re: Is a 30mm Dellorto too much for 195 RT Kit with Big Bore
Posted: Fri Jan 02, 2015 11:32 am
by Muttley McLadd
slangen wrote:Muttley McLadd wrote:Apparently, if you use a carb smaller than a 30mil on anything, you start lactating.
True that and if using anything but a flat slide you're a real mamas boy.
Flatslides schmatslides. A chrome slide in an Amal or you might as well wear dresses and drink fruit based drinks through a straw
