|
|
» Main Menu |
|
Discussion Forums
Features
Motorcycle.com Links
Contribute
Motorcycle Forums
|
|
| Classic, Vintage & Veteran For Coventry and Meriden Models. Anything pre-Hinckley goes. |
 |
|
11-14-2009, 10:36 PM
|
#1 (permalink)
|
|
Senior Member
250 Grand Prix
Join Date: Aug 2009
Location: Ontario, Canada
Posts: 136
|
Amal Carb Questions
Looking at the carbs on my 69 T120 I notice when I pull the throttle cable the slides move up but the air valve doesn't move, it sits there. What's the purpose of the air valve, should it not move with the slide?
|
|
|
|
Sponsored Links
|
Advertisement
|
|
|
11-14-2009, 10:43 PM
|
#2 (permalink)
|
|
Senior Member
Supersport 600 Favourite Bike: 62'DBD34
Join Date: Aug 2009
Location: Queensland Australia
Posts: 154 Other Motorcycle: 1970 Morgo T120 Extra Motorcycle: Classic Sidecar Outfit
|
take the air/choke slides out and blank the cable holes with a couple of small nuts and bolts. They are not required and just cause problems.
Nick
|
|
|
|
|
11-14-2009, 10:50 PM
|
#3 (permalink)
|
|
Senior Member
250 Grand Prix
Join Date: Aug 2009
Location: Ontario, Canada
Posts: 136
|
There are no cables to the air sides! It just sits there. Posssibly I'm missing something from the carbs. I don't see a cable hole for the air slide. I'll remove them.
|
|
|
|
|
11-14-2009, 11:03 PM
|
#4 (permalink)
|
|
Senior Member
Formula Extreme Favourite Bike: Mine
Join Date: Mar 2008
Location: Northern VA
Posts: 626
|
The air valve is the 'choke'. If they are still there, the choke lever should still be on the handlebars ... you may be looking at it wrong ... cable 'relaxed' is choked (air valve 'down' and blocking a portion of the air entering the carb) ... cable 'taut' is normal run position (air valve up and out of the way allowing all the air to enter the carb). Except in really cold weather, you should be fine without a choke. As stated before, just remove the air valves (and their associated spring, etc) and seal the hole in the top of the carbs where their cables would have gone through.
|
|
|
|
|
11-15-2009, 12:02 AM
|
#5 (permalink)
|
|
Senior Member
Formula Extreme Favourite Bike: 1959 Triumph TR6
Join Date: Aug 2007
Location: Dayton Ohio
Posts: 730 Other Motorcycle: 2003 HD Road King Police
|
Quote:
Originally Posted by gaillarry
There are no cables to the air sides! It just sits there. Posssibly I'm missing something from the carbs. I don't see a cable hole for the air slide. I'll remove them.
|
It probably looks like You do not have a cable hole because the choke cable holder may have already been replaced with a screw/ nut. Do you have Monobloc or Concentric carb?
Last edited by Red1959; 11-15-2009 at 12:06 AM.
Reason: spelling
|
|
|
|
|
11-15-2009, 06:15 AM
|
#6 (permalink)
|
|
Senior Member
250 Grand Prix
Join Date: Aug 2009
Location: Ontario, Canada
Posts: 136
|
Quote:
Originally Posted by Red1959
It probably looks like You do not have a cable hole because the choke cable holder may have already been replaced with a screw/ nut. Do you have Monobloc or Concentric carb?
|
Amal 930 Concentric carbs. The air slide sitting there is probably why I'm having starting problems.
|
|
|
|
|
11-15-2009, 10:07 AM
|
#7 (permalink)
|
|
Senior Member
SuperBike Favourite Bike: '68' T120 Bonneville
Join Date: Nov 2007
Location: corpus christi, texas
Posts: 1,721 Other Motorcycle: 2006 T100 Bonneville Extra Motorcycle: '79' T140 street tracker
|
If you get it started it will cause it to run really rich when it wets warmed up. Some bikes run fine without the air valves, some, like my 68 T120, won't run for doodly until they get warm unless the air valves are closed a bit.
|
|
|
|
|
11-15-2009, 10:31 AM
|
#8 (permalink)
|
|
Senior Member
250 Grand Prix
Join Date: Aug 2009
Location: Ontario, Canada
Posts: 136
|
As I don't have a choke cable, I removed the air valves and plugged the hole with a bolt/nut, hopefully she'll start today !!
|
|
|
|
|
11-15-2009, 12:05 PM
|
#9 (permalink)
|
|
New Member
Minitwins Favourite Bike: 1977 TR7V
Join Date: Nov 2009
Location: Stuart, FL
Posts: 12
|
I'm with Nick L take the air slides out. You don't need them if you have ticklers on the carbs. Plug the hole for the cable with something. Bike will run horribly rich with chokes on all the time.
|
|
|
|
|
11-15-2009, 02:12 PM
|
#10 (permalink)
|
|
Senior Member
World SuperBike Favourite Bike: T120V
Join Date: Jun 2008
Location: Isle of Wight England
Posts: 1,866
|
The chokes were not fitted to mine.
Filled the top holes with silicon filler.
|
|
|
|
| Sponsored Links |
Advertisement
|
|
|
|
| Thread Tools |
|
|
| Display Modes |
 Linear Mode
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
All times are GMT -4. The time now is 09:39 PM.
