Backfire when throttle closed

[alanmcorcoran]

Sorry for the endless chatter Easy, but, what is it, like zero there? Not like you are going to do any riding today.

Not using premium gas in the GZ (it IS recommended for the Strat, and I have been using it there.) I dropped the idle back down a tad but it's going to take a number of days of experimentation to find the magic point (if there is one) where the idle is fast enough when it's cold so that it doesn't stall and not crazy fast whe it's hot.

If I didn't have the other bike, I'd probably suck it up and go on a quest for a good bike shop. Since I'm likely to be disappointed, and this is supposed to be (mostly) about having fun, I'm putting that futile exercise off for now. If the seafoam doesn't work, and he idle adjustment doesn't work and the stalling gets more irritating (and it will) eventually I will take it in again.

[Easy Rider]

Originally Posted by alanmcorcoran

I dropped the idle back down a tad but it's going to take a number of days of experimentation to find the magic point (if there is one) where the idle is fast enough when it's cold so that it doesn't stall and not crazy fast whe it's hot.

Guess I need to be a little more specific: The idle speed adjustment knob is for HOT idle ONLY. When the choke is in use, it OVERRIDES the idle adjustment stop.
SO.......
Set the idle speed adjustment when the engine is HOT. Do NOT TOUCH IT when the engine is cold. Along with enriching the mixture a bit, the choke lever also makes the idle speed higher, using a mechanism that is seperate from the idle speed adjustment knob.

If the engine is not warmed up yet and it stalls, then you didn't have enough "choke" dialed in.
So, there it is. Been trying to get there for about what, 6 weeks now ???

And as for the tiny adjustments of the choke lever not making any difference, after thinking it over, I think that is probably normal too.

Start, warm up for a minute with choke on.
Ride a mile or so.....to first stop. Adjust the choke a tiny bit. May not make any noticable difference.
Ride to the next stop. Adjust again.
After 4 or 5 stops and 5-10 minutes of riding, you should find that the choke is now OFF and the idle speed is still OK....AND.....you never did hit that threshold point where the idle drops too much and it stalls.

If, after the gas with Seafoam is gone, you can't do that, then something is FOOBAR and you will need service.

And, no, there is no riding here. Was out on the tractor shoveling SNOW !! :skull:

Thinking about going to the Int. MC Show in Chicago on Saturday but probably won't 'cause it might make me cry !!

[alanmcorcoran]

Thanks. I'll see if I can make some more progress today.