I've been reading up on 'DCT transmissions locking up in gear and preventing the bike from starting'.
Just read a post over on the NC700 forum where they are discussing a DCT stuck in 2nd gear with the engine switched off.
After turning the ignition on to start.... click, click, click, click, click. Gear indicator showing 2nd.
Short version. The NC700 (DCT) rider parked his bike with his rear tyre against a kerb and hit the kill switch. Then turned the ignition off. Got some cash from the ATM, went to start the bike and .... click, click, click, click, click. Gear indicator showing 2nd. Wouldn't start
This was the first time he'd experienced anything like this. He tried to start the bike a couple of times with the same result. .... click, click, click, click, click. Gear indicator showing 2nd.
Eventually he rolled the bike forward. Tried again and it started instantly.
The general opinion in that thread was; using the kill switch is not a wise option when normally turning the engine off, as it seems to leave the DCT in whatever gear was last selected. Normally, on flat level ground that probably would be not issue as, when you turn the ignition on, the DCT will select Neutral and the engine will start as expected.
It was suggested that always using the ignition switch to turn off the DCT will select neutral before the engine stops, using the kill switch will not.
However, it seems, in line with the 'bogged in back wheel' engine won't start posts above, if the transmission has any torque remaining in it, eg. rear wheel pressed up against a kerb, and the engine simply died or kill switch was used, it will be 'locked' in the last selected gear until the bike is wheeled a little relieving the torque.
To me not of these are DCT faults. Just things I need to now about DCT and hows to avoid thinking there is a fault when at the end of the day there is a logical explanation and simple solution.
So I am now aware of.......
- Normal engine stop - DON'T use the kill switch, use the ignition switch instead. I never use the kill switch to turn off the engine in normal use, so I'll have no issue with that.
- If the bike was parked with the rear wheel against something plus you used the kill switch but the engine won't start because it's stuck in gear, roll the bike and try again as that will free up the transmission and allow DCT to select Neutral.
- If the rear wheel is bogged in and the engine died (for some reason) or you used the kill switch and the bike won't start because it is stuck in gear - dig the wheel out and rotate it. That will free up the transmission and allow DCT to select Neutral.