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My V7II Special is stock standard so I'll try the same test and report back in a day or two.
Well, the MIU G3 is a low cost unit. To confirm you would need to pull either the air box or throttle body (whichever is easier I suppose) off to see if the butterfly was a little loose on the linkage.
I still like my idea of a throttle/butterfly issue with the MIU G3. Some free play in the linkage causing the butterfly to close enough to stall when coasting downhill. Yes, I'm crazier than a coconut.
I will just express my thought as electronics guy.Bypass the clutch switch, bypass the side stand switch, bypass the heel sensor, then test it.Working many years in marine electronics, the various sensors are producing a lot of problems.In my opinion heel sensor is the most possible cause.
Ok, if I check this, is there something I can do? Isn't ECU unserviceable?
Actually... are there any upgrades available for MIUG3?
Would this explain the overfuelling?
Two more tests I'd like an answer to. As you're rolling down the dreaded hill, instead of pulling in the clutch, pop it into neutral and eliminate the possibility of it being a micro switch on the clutch cut out, or piss the switch off as another bloke said earlier. Here's the crunch though, start your bike with the rear wheel on a scissor lift and while running, raise the wheel a couple of feet upwards. I'd like to know if the engine cuts out as a result of pitching forward without a deceleration. Trouble is you have more than one unknown in the same equation, you have to devise a test to check each possibility in isolation. For heaven's sake though, don't starve the poor bastard of oil with it's ass in the air...
The problem does not seem to be caused by the physical down hill movement, but the heavy engine braking in 1st gear while travelling down a steep hill.
Here is another idea (Beetle?): Can engine parameters somehow be logged with GuzziDiag? I can filp my laptop into backpack and go for a ride...
W/O sounding snarky , why are you slowing down to a point where the engine is only turning 1,000 RPM's with the bike in gear and the clutch out ? Dusty
Maybe you shouldn't do it Dusty, but the fact is you SHOULD be able to. It indicates a problem.
W/O sounding snarky , why are you slowing down to a point where the engine is only turning 1,000 RPM's with the bike in gear and the clutch out ?
Just Curious Waxi, at the end of the run ,at the point the engine dies, without changing anything, will the engine start right back up when you push the starter button?
So, in frames 492 to 497, you say you are twisting the throttle?"Throttle" equals throttle position?Those numbers look up and down, if you are twisting the throttle, I would think there should be a smooth, linear increase.Forgive my ignorance this is cable operated throttle, right?
Is the "speed" the actual speed of the bike?
Well , does it in fact indicate a problem ? Maybe the computer is simply shutting of the Fuel or spark because the engine speed is too low . Dusty
Sometimes it will also be slow at starting up after a stall or actually race up a bit right after restart.