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Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Sat Nov 10, 2012 4:13 pm
by bristolmod
yep -its all coming back to me now Matron.........time for me Sanatogen methinks
Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Sun Nov 11, 2012 12:04 pm
by rosscla
Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Sun Nov 11, 2012 12:20 pm
by bristolmod
thats it! puts lead in your pencil.........................apparently
Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Sun Nov 11, 2012 8:55 pm
by gerryjunior
Here you go bristolmod im currently running this one on my stype, and yes i have to tickle it from cold,

Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Sun Nov 11, 2012 9:34 pm
by Dimitrios_231
Spray Tubes
From left to right, 4 Stroke , 2 Stroke , Norton , Triumph
As a general rule the most noticeable difference between a 2 Stroke and 4 Stroke carburetter is the spray tube, the brass tube visible as you look through the carburetter bore. 4 Stroke spray tubes are cut off straight, 2 Stroke spray tubes are cut off at an angle sloping towards the mounting flange. Some later 850cc Norton Commandos use a spray tube with a square cutaway step while Triumph Triples use an angled spray tube cutaway from the mid point of the spray tube rather than right across as in the 2 stroke version. 2 Stroke and 4 Stroke bodies are not interchangeable and will not run correctly if used on the wrong type of engine.
gerryjunior nice carb,what jetting do you use?
Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Mon Nov 12, 2012 2:12 pm
by gerryjunior
Hello Dimitrios, i cant remember the jetting, i set it up about 2 years ago, next time i clean it ill note the jetting and post them .
Re: Amal Mk2 Concentric 2 or 4 stroke?
Posted: Mon Nov 12, 2012 8:23 pm
by Dimitrios_231
Thanks,
much appreciated.
I believe I'll have mine, somewhere in the mid of December.