Daytona 600

managed to get someone with a tuneboy just hoping it nothing bad! thanks for everyones input. just waiting to get it on the checked out and see what happens!

ok, took it to the garage, the guys laptop was prehistoric, and the tuneboy would not read the bike , off or running.
as i was riding it to the garage the throttle jammed on to about 3k revs and would not settle back down, riding was fine but kept returning to 3k at throttle closed. almost like it had the choke on( its fuel injected though)
could this be the tps causing the fault? or is there a possibility of some dodgy cold start sensor?

[Sid Squid]

If it likes being at a high idle, then it's possible that the cold running settings are being used, this could be a temperature sensor/connection/cabling failure, in the typical items OAT/airbox/coolant sensor/s. Have you checked the coolant level? Dependant on the sensor's position on the machine, if the coolant level is low the sensor may not be in the fluid to read it's temperature.
You say the computer is old - which OBD connector cable do you have? In my experience the serial one only likes older computers that have a suitable port, emulators or converters will result in a 'computer says no' experience.

[yorkie_chris]

Don't them trumps have a bypass valve for idle rather than throttle stop? If this was dicky it may not work to give the fast idle and now it's stuck open?

will look into that sid, i know coolant level is ok, will have a nosey at the airbox and see what i can find, i think there is a sensor on the side of that. as to the computer i am a dunce at computing i am afraid. but i think it is a newish cable and a slab of a laptop. so maybe i can get the prog copied onto a newer lappy and try again?
chris if it was stuck open that could also flood the engine/swamp the plugs whilst turning over thus causing a starting problem!am i correct in this assumption?

[yorkie_chris]

No it's an air valve not fuel, if it was sticky and was stuck closed before then the engine might not have enough air to fire... or might be overfuelling expecting more air.

IAC valve or something like that, read about them c**king up on t595.net occasionally

[Sid Squid]

Originally Posted by yorkie_chris

Don't them trumps have a bypass valve for idle rather than throttle stop? If this was dicky it may not work to give the fast idle and now it's stuck open?

The earlier ones with the software driven Sagem system did, yes. The Daytona has a non programmable Mikuni* system, that's more conventional - there's no IACV.

* As I remember, could be Keihin, in any case it's very different to the earlier TTs and the triples with the Sagem system.

OP: Clearly it's worth making sure everything electrical is correctly and securely connected, but, because of the nature of the system, unless there's something obviously disconnected or broken you're going to need diags of some kind - the Triumph dealer beckons.

have persuaded mate that he is going to have to bite the bullet at least for a diagnosis. gives us a fighting chance. am ok on basic stuff,but not fuel injection......
cheers guys once again.
when i find the prob and fix the damned thing i will persuade him to buy a less complicated bike. like the cb500 he traded in!

managed to find a triumph dealer in stoke that has said they will do a diagnostic on his bike for a tenner! that includes if they need to piddle about a bit to get it to read right, if it is just a reset(tps) they will do it free. obviously if something is needed to be repaired then thats when it will cost.....roll on friday!

If he sorts out the problem, he won't want to look at a cb500