Carb problems...
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Road Master
Joined: Sep 2005
Posts: 1,231
Likes: 1
From: Texas
RE: Carb problems...
I finally got time to work on it today. It is the butterfly carb. The first thing I found was the spring on the choke butterfly was broken. That's why the choke wouldn't work. I bought a spring at the auto parts store and got it to work. It was too warm today (81) to find out if that is going to fix the cold start problem.
I fired it up and got it warm. Then I sprayed carb cleaner around. It seems there is an induction leak at the lower part of the intake where the carb bolts up. I don't see where it shows a gasket in the book, just an insulator. Do you think it be leaking there and just need to be snugged up? It's possible it could be a boot, but the rpm picked when I was trying to spray directly at the mount bolts. Unfortunately, most of my tools are at the racecar shop and I didn't have a long enough extension to check it today.
I fired it up and got it warm. Then I sprayed carb cleaner around. It seems there is an induction leak at the lower part of the intake where the carb bolts up. I don't see where it shows a gasket in the book, just an insulator. Do you think it be leaking there and just need to be snugged up? It's possible it could be a boot, but the rpm picked when I was trying to spray directly at the mount bolts. Unfortunately, most of my tools are at the racecar shop and I didn't have a long enough extension to check it today.
Seasoned HDF Member
Joined: Jan 2005
Posts: 21,949
Likes: 6
From: My house
RE: Carb problems...
You can get false readings from the carb or other type cleaner sprays on intake leaks, I believe that water is the best ticket from what I'm told on checking intake leaks, I think I would get a good Mikuni as suggested if you have the funds, if you plan on keeping the bike, they are easy to tune and would upgrade you to a much better CV carb over the butterfly unit. Has this bike sit for a length of time before you aqquired it?
Thread Starter
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Road Master
Joined: Sep 2005
Posts: 1,231
Likes: 1
From: Texas
RE: Carb problems...
ORIGINAL: John TN
You can get false readings from the carb or other type cleaner sprays on intake leaks, I believe that water is the best ticket from what I'm told on checking intake leaks, I think I would get a good Mikuni as suggested if you have the funds, if you plan on keeping the bike, they are easy to tune and would upgrade you to a much better CV carb over the butterfly unit. Has this bike sit for a length of time before you aqquired it?
You can get false readings from the carb or other type cleaner sprays on intake leaks, I believe that water is the best ticket from what I'm told on checking intake leaks, I think I would get a good Mikuni as suggested if you have the funds, if you plan on keeping the bike, they are easy to tune and would upgrade you to a much better CV carb over the butterfly unit. Has this bike sit for a length of time before you aqquired it?
The bike hadn't been registered for a couple of years, so yes it did sit around. Little things, like the turn signal switches, weren't working properly when I got it. A little contact cleaner and some use took care of that.
Monty
Seasoned HDF Member
Joined: Jan 2005
Posts: 21,949
Likes: 6
From: My house
RE: Carb problems...
ORIGINAL: Beeracuda
I think I will be changing the carb eventually. I'm just trying to improve the rideability until I can replace it. I've got to recover from Christmas and off season racecar maintenance first.
The bike hadn't been registered for a couple of years, so yes it did sit around. Little things, like the turn signal switches, weren't working properly when I got it. A little contact cleaner and some use took care of that.
Monty
ORIGINAL: John TN
You can get false readings from the carb or other type cleaner sprays on intake leaks, I believe that water is the best ticket from what I'm told on checking intake leaks, I think I would get a good Mikuni as suggested if you have the funds, if you plan on keeping the bike, they are easy to tune and would upgrade you to a much better CV carb over the butterfly unit. Has this bike sit for a length of time before you aqquired it?
You can get false readings from the carb or other type cleaner sprays on intake leaks, I believe that water is the best ticket from what I'm told on checking intake leaks, I think I would get a good Mikuni as suggested if you have the funds, if you plan on keeping the bike, they are easy to tune and would upgrade you to a much better CV carb over the butterfly unit. Has this bike sit for a length of time before you aqquired it?
The bike hadn't been registered for a couple of years, so yes it did sit around. Little things, like the turn signal switches, weren't working properly when I got it. A little contact cleaner and some use took care of that.
Monty
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