The Triumph 2000/2500/2.5 Register Forum

AUD678 are for the 2500TC and 2500S as per Rimmers website.....

According to Classic Carbs Australia, FZX1117R is for the Australian market Triumph 2500.
Google is your friend.....

There should also be an aluminium identification tag attached to one of the screws for the dash pot covers, although they are often damaged and not replaced over time. They will identify the carb - HS6's usually are AUD574F / R (front /rear).

Looks like the front carb of an HS6 pair with waxstats.
Maybe a few pics of different angles may confirm?

There are some interesting technical articles available on Chris Witors website regarding the head applications for all models, and also the flow rates for the 219016 head.

Does this help? Taken from this website..
https://www.skandix.de/en/documents/ins ... e/3000688/

If you do remove each drive shaft to check them over, whilst the uj may feel OK with no play, they are prone to being 'notchy' in one direction - moving the shaft up and side to side will highlight any issue in any one plane. Also make sure they are lubricated - I use CV joint grease on mine. I'd al...

Can the vibration be felt through the steering wheel, the seat of your pants, or the rear transmission tunnel? Does the rear view mirror vibrate when it occurs? Assuming the wheels are balanced correctly and that none of the wheels are out of true, the tyres are good with no bulges or deformed tread...

Hope all goes well Peter

I think you are doing an excellent and thorough job! Well done on your progress so far!