problem starting

[SCHMIDTYS]

PM sent.

[83XLX]

A bike with electronic ignition will not want to start or run right if the battery is a little weak. The motor may seem to crank over fine, but the starter saps the energy to the ignition, so it won't start (or runs badly).

Loose or corroded battery connections can also cause the same symptoms.

An intake leak and/or faulty timing can also cause uneven running and backfiring.

Uneven exhaust pressure can indicate a valve (or piston) problem. Do you have any way to check the compression in each cylinder? Do it with a warmed-up engine and with the throttle & choke wide open, BTW.

Just some random thoughts I'm throwing into the mix.

[majster81]

@83XLX, I was told by the dealer that the battery and its connections are fine and no need for them to be replaced. I was also told that all tests were preformed and everything is fine. I know it's the dealer and I dont trust them. Interesting thing is that when it doesnt want to start it will backfire like a TNT but ten or twenty seconds later it will start as if brand new. I am not a mechanically savvy person, at least not when it comes to engines and stuff like that, I can replace pads and change the oil. I dont want to screw up the machine more then it is. I will be taking it to Schmidtys.

[majster81]

Bike is at SCHMIDTYS. God bless you man. you are my last hope.

[GotGold]

Originally Posted by majster81

Bike is at SCHMIDTYS. God bless you man. you are my last hope.

Let us know as soon as ya can... he's the man!

[SCHMIDTYS]

Update for those that have been following this thread.

The Sporty is alive ! Been running it for several days now with no glitches.

The bike had multiple problems: The new coil was wired backwards and shorted internally, measures resistance across the primary and secondary sides. The OP brought the old coil along and it measured good so that went back on the bike. The positive battery cable was loose. The intake seals and carb seal were shot. The pilot jet was plugged so I put in a new #45 jet, blew the rest of the passages out with carb cleaner and reset the float level. The new ignition module was set at full advance so I retimed that.

I did a few other diddies along the way and now the bike runs like it should ! I'll keep running it untill Kris gets back up here to get it.

[DeeDay]

Originally Posted by SCHMIDTYS

Update for those that have been following this thread.

The Sporty is alive ! Been running it for several days now with no glitches.

Schmidty....
You are the greatest, Man.
Glad you hang around here.
DeeDay

[GotGold]

Originally Posted by DeeDay

Schmidty....
You are the greatest, Man.
Glad you hang around here.
DeeDay

+1 GotGold

[Chief Illiniwek]

SCHMIDTYS, I'm not trying to slurp your balls, this is a serious question...

I don't begin to know how to test a coil, but how does a shop let that bike out the door with so many problems that you're able to find so competently? Seriously, I'm not buttering your muffin, I just don't understand HOW MUCH more competent you are than a shop full of certified HD mechanics?

I'm not trying to insult those other guys either. I'm trying to understand how their hands are up in the air and you find four problems, three of which should be pretty easy to catch? Right?

Anyway, this señor is for you, SCHMIDTYS.

[majster81]

Dang it Schmidty! I have a special gift for you, man! I appreciate your time and help on this. PM sent. @all Thank you for following my thread. If you want to learn anything regarding classic cameras photography, look up my name on Google and youtube.
I chose this formum because it popped out first, I am glad I did.