Scooterotica

Hi guys.what carb are you using for the rt195 kit and why.what kind of performance you getting too.??

I would go for a 28 delly, I have the 225 and that performs much better having started with a 26

I have the 30mm on my 195 kit and it goes really well but it drinks fuel I have fit a 12 ltr tank

I run a 25mil dellorto on a cast 225 goes very well if I do say so myself.

The best of luck with your decision.

My brother has a RT195 28mm Delly with BGM clubman, LI150 box, 50-55 mpg at 55 to 60 mph. I have a RT225 on a a 25mm Delly, GP200 box and NK road/rally. Same mpg as my brother. Depends what exhaust and gearing. I would estimate the difference between 25 and 28mm is 1 bhp. Not worth it, a 25mm on a clubman is plenty.

Ive tried a bgm pwk 28 on a piston ported RT195 without success for low down riding. A PHBL 25 proved best for piston port. Changed to reed after a rebuild and installed a Keihin PWK28. Best carb ever to use! Fantastic results!


In iron Lambretta cylinders we trust!

I was thinking of 28 delly..i want use original air box which is spanish tool box type.

I think you'll struggle to get enough air to a PHBH through an air box. The Spanish one looks even more restrictive than the standard type.

corrado wrote:I think you'll struggle to get enough air to a PHBH through an air box. The Spanish one looks even more restrictive than the standard type.

+1

PHBL 25 should suffice but even then you will need extra air, especially with Spanish system.

Ok cheers.i already have a 25mm..will ditch the standard air box..thanks guys