xschris, I'm not sure why I'd do that. I chose to filter internally so I wouldn't have one on the outside. Do you think there would still be sediment passing these filters?
On to the carbs. They were kinda crusty, too.
Notice the piece of gasline that's been coated with black silicone on the ends. The carb on the right had an air leak on the air filter side. I'm not sure if that's why it's so dirty in the bore. The jets were clean in it, as was float bowl, as if no gas was getting in there.
Unlike the left carb...
To clean them I followed a suggestion I found on
an ADVRiders.com thread and soaked them in Pine Sol. I read thru the whole thread and then used the bits that appealed to me to do it my own way.
Basically, I used about 4/5 straight Pine Sol and 1/5 water. After full dissasembly, I soaked the first carb in the solution for about 12 hours. That turned out to be way too long and I ended up with powdery oxidization film on everything. The guys who soak for days at a time must have carbs made of different material than these. It took a lot of brushing and lightly working with 0000 steel wool to get it all off. The insides of the carbs fared better and I only lubricated them with WD40 to get them clean & smooth again.
I only soaked the second one for about 6 hours and it came out much nicer. It was all cleaned up and a light brushing with a toothbrush under running water was all it needed.
Recently I added another step to the Pine Sol method- vibration. I've placed the container on top of the woofer under my workbench while I listen to some heavy Blues. Other guys say vibration may help but I'm not sure yet. It sure sounds good while I'm trying it out, though.
The needle jet o rings were cracked when I took the jets out so I order new ones. They looked way too small but I read somewhere that they would fit so I intalled them anyway and sure enough, they're just fine. The old ones had grown huge with age.
I made sure to follow all the channels throughout the carbs from one end to the other and blew them all out with the compressor. All the jets were cleaned up with carb cleaner and blown dry. There was no wear on any brass parts that I could see with a magnifying glass so all the stock bits were re-used.
Here are the clean carbs..
..and with the new flanges, all ready to instal. BTW, I now realize I have the vaccum plug on the wrong side.
Now it's time to finish cleaning the back side of the engine so I can finally get these babies on.