Modern replacement for the Keihin PW22 on CA78

garncarz · Post by **garncarz** » Sun Jul 06, 2014 6:18 pm

Can anyone suggest a 21st century "drop-in" replacement for the PW22? Thanks again.

rrietman · Post by **rrietman** » Sun Jul 06, 2014 9:36 pm

Um no. the PW22 is a very simple/good carb that rarely goes bad. what's wrong with yours? It's what Honda put on the bike and it works very well.
Randy

G-Man · Post by **G-Man** » Mon Jul 07, 2014 7:10 am

Whatever you "drop in" you will be in virgin territory when it comes to getting it set up with regard to needle, slide and jetting.

Might be better to freshen up your own carb or get hold of a nicer one.

I have found that an ultrasonic cleaning bath works wonders.

G

garncarz · Post by **garncarz** » Mon Jul 07, 2014 8:10 am

G-Man wrote:Whatever you "drop in" you will be in virgin territory when it comes to getting it set up with regard to needle, slide and jetting.

Might be better to freshen up your own carb or get hold of a nicer one.

I have found that an ultrasonic cleaning bath works wonders.

G

What solution do you use in your ultrasonic cleaner for carbs?

G-Man · Post by **G-Man** » Mon Jul 07, 2014 9:10 am

This is a bit expensive but it works well.

http://www.ebay.co.uk/itm/231219810941? ... 1439.l2649

I use this at about 50 deg before I take the carb apart. That helps loosen all of the screws. Then I dismantle it and dunk all of the parts again for as long as it takes.

G

garncarz · Post by **garncarz** » Tue Jul 08, 2014 7:16 am

Well, I just bought an ultrasonic cleaner and will give my carb a Jaccuzzi over the weekend. Thanks for the tip.

In the mean time, does anyone have a diagram/drawing showing ALL of the passages in the Keihin PW22? I am not sure that I have got everything cleaned out.

garncarz · Post by **garncarz** » Tue Jul 08, 2014 12:48 pm

garncarz wrote:Well, I just bought an ultrasonic cleaner and will give my carb a Jaccuzzi over the weekend. Thanks for the tip.

In the mean time, does anyone have a diagram/drawing showing ALL of the passages in the Keihin PW22? I am not sure that I have got everything cleaned out.