America Airbox Advice And Parts Wanted Please

slimlavud · Aug 10, 2018

Hello all,
I wonder if anyone can tell me if I can use an injection airbox on a carb 790 America please?
I know they are different part numbers but the Triumph spares list pic shows them being the same - I think this is a mistake but if anyone knows, I would appreciate it.
I have posted a want list for my 2003 America 790, carburettor model but it just occurred to me that one of you fine gents (and ladies) might have deleted the original airbox on a carb Americ and might help me out by selling (or giving!) me the standard airbox and maybe even the battery holder and cover etc? As well as that, the bike needs:

ignition switch
carburettors
side panels
tank top chrome console with tacho or clock or the blanking plate
the warning lights
rear footrest brackets - the frame type or the silver fluted solid type
two front wheel spoke nipples
headlamp retaining clips
various nuts and bolts
The tank is badly dented and it really needs a replacement one.

So any help I can get from all you guys, the sooner I can be on the road... I am based in North London but travel around the UK a bit, and to Europe and Mexico occasionally...
Thank you

capt · Aug 26, 2018

There is a good chance it will fit ! As very little was changed either cosmetically or engineering wise when the triumph Bonneville variants went from carburetors to efi !
There is also the possibility of going for "pod" air filters , but you only gain about 3% more air flow going for pods as against nodded out air box, best results gained by snorkel removal and cutting out the "baffles". Done this to my 09' America gained 3 or 4 HP, and after a dyno tune it was up 6 to 7 HP peak and a better spread (wider curve) overall.

slimlavud · Aug 31, 2018

Thanks, I have been told by a Triumph breaker/used parts supplier that the carb and efi airboxes have different spacing between their inlets, I think Triumph would not have bothered changing part numbers etc if there was not a significant difference.