Hot Soak, Crank and no Start

[rdivy725]

The Brick has been running great! Well, a little hiccup today. Rode for two hours, parked in in front of the garage. Went back after 35 minutes to move it in, it cranked strong and would not start. No indication of fuel igniting. Tried three times, pushed it into the garage, tried a 4th time and it started. I've been through all the wiring previously chasing a light issue. The four way appears to be good. Gonna throw a meter in the luggage for the next time...

I would like to say it was a one time thing, but I know better!

[rdivy725]

greetings...

so the four way flashers are working good...

j o

They are now! Good when I am on the side of the road...

[Scott_]

When it wasn't starting, were you able to hear the fuel pump when it was cranking, or immediately after you let off the starter button.
When was the last time you cleaned the 4 pin connection for the fuel tank.

[rdivy725]

I cleaned the four pin connector when I had the tank off a couple of months ago. Stupid me didn't listen for the fuel pump...I was absorbed in the fact that it wouldn't start. When you arent expecting it...now I will be and will listen for it if it happens again.

I even wiggled the kill switch back and forth and still no start.

Went back out a few minutes ago after letting it sit the same amount of time. Started right up.

It going to be an electrical wait and see.

[Laitch]

I even wiggled the kill switch back and forth and still no start.

Lift the tank then disconnect the electrical plug that connects to the ignition switch wiring, clean both sides of it then fasten it tightly. Next time the engine doesn't start, wiggle the key in the ignition switch. That switch might be needing disassembly and cleaning, too.

I reviewed your moto's history. Have you replaced the fuel filter? Have you inspected the condition of the fuel tank's interior hoses and ascertained they are tightly clamped? Have you corrected the turn signal problems?

[rdivy725]

Lift the tank then disconnect the electrical plug that connects to the ignition switch wiring, clean both sides of it then fasten it tightly. Next time the engine doesn't start, wiggle the key in the ignition switch. That switch might be needing disassembly and cleaning, too.

I reviewed your moto's history. Have you replaced the fuel filter? Have you inspected the condition of the fuel tank's interior hoses and ascertained they are tightly clamped? Have you corrected the turn signal problems?

Thank you for the feedback. I did correct the T/S issue. I pulled the tank and cleaned every connector with Deoxit and DC5 and ground top to bottom. After someone sent me to a link that had color schematics, I found the load shed relay was the issue.

Ignition switch may be a possibility. Good call!

I have only inspected the inside of the tank and have not pulled the pump and done a complete visual. The bike has 9500 miles on it-and my experience with fuel filters is they either flow or they don't. The bike can sit for 2 months and it never takes more than 2 seconds for it to start. Even if I remove the tank and the engine loses its fuel prime, it still only cranks about 3 seconds before it starts. My winter project this year is to pull the pump, check all hoses and the damper (unless this starting issue leads me there).
 I am currently starting the process of replacing all the brake hoses w/stainless lines from Bobs BMW. I just need to get the correct front hoses (the ones shipped for the front are too short). Little by little the bike is being upgraded/revitalized to give me optimum operation and reliability.

Thanks for the advise. This site has been a godsend to understanding the nuances and quirks of these wonderful bikes!

[rbm]

Have you cleaned the starter motor recently?  Do you know the condition of the motor's brushes (worn/not worn)?
Are you having any other weird electrical symptoms other than the no-start?

[rdivy725]

Have you cleaned the starter motor recently?  Do you know the condition of the motor's brushes (worn/not worn)?
Are you having any other weird electrical symptoms other than the no-start?

rbm I did the "back up in third and release the clutch lever" a few times in the late fall. Wouldnt hurt to do it again. I will put starter removal and brush cleaning/replacement on my to do list. Thanks!

No other electrical issues noted. Previous fixes have been successful and have not returned.

[rdivy725]

Update. Another 2 hour ride, stopped for fuel - started fine. Home, let sit for 25 minutes, crank and no start. I could hear the fuel pump each time. After the 4th attempt it started, stalled. 5th try it started and I moved it into the garage. Shut it off for 5 minutes, retried...works fine. Something about a 20-30 minute hot soak it does not like. Both times this occured it was on the side stand. Otherwise I always use the center stand.

[Chaos]

google test for the HES, you can do it with a hair dryer.  They tend to act up when hot and work fine after cooling down.