I disconnected the clocks on mine and it still cranks as long as I pull the clutch lever in. I can't tell you if it starts, as it has no fuel, but the pump primes ok. Test the clutch and stand switches and the starter relay and solenoid. If it still refuses to start, then it might be the chinese loom triumph use - I plugged my sprint into the laptop and it had issues, all of which were due to corrosion, I even found wires rotted through at the back of the kill/start switch connector!

 

After doing some more research it seems my ECU is the newer version (2008) which has the 2 longer black and grey plugs. I am assuming the ECU needs to see the dash connected to start!

 

The 07 onwards uses a different ECU to comply with EURO4 emissions, and I would be interested to know if it can be remapped with TuneECU etc. The biggest problem is finding a loom in decent condition, as they are made in china, and corrode as quickly as the rest of the bike. I moved the reg/rec on my sprint, and in doing so, found corrosion on the crimps in the main power wires in the loom, and on the back of all the connectors. I will be re-wiring mine when I have time with new wire and soldered connectors, the only connectors I have to use from the original loom are the instrument and ECU connectors - assuming the wires are not corroded where they are crimped in the blocks.
It may be worth doing it to yours or getting a good auto-electrician to do it for you.

 

the ECU can be convinced to tun without a dash - but it needs a can-bus equipped micro on the other end to send a couple of messages back so the ECU is happy -
Have a design and have done it on mine - just haven't completed the project - which includes outputs from the can-bus data to drive a normal set of gauges -
Tobias on the forums here has a fancier version - mines built using some off the shelf Arduino and can-bus bits -

couple of photos attached - holes down one side are all the outputs - for driving a standard meter.
have 10 sets of the pcbs on hand as was going to do a small run.

 

That is very handy to know! I may be interested in purchasing a board if I cannot find another set of Speed Triple clocks!