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Messages - clrains

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1
Xciting 500 / Re: Could really use some help please
« on: October 04, 2023, 09:49:45 PM »
Good afternoon guys. Back from vacation and a new update.
The bike is back together. I did get a new battery and she starts right up now.
However, I still have the check engine light on. I guess I will need to get the code reader to figure that one out.  Took the bike on a 100 mile trip Sunday and she ran good.  Been riding it back and forth to work the last 3 days and everything seems fine but the check engine light.

As for the bike’s history, don’t know much. I am the third owner. I bought it in Chattanooga Tennessee from a kid who bought the bike to learn how to ride,  once he was comfortable riding he bought himself a new Goldwing. And this scooter didn’t get rode much.  Overall the bike is in great shape and I got a good deal on it. It only has 7000 miles on the clock.

I’ve never owned a Kymco. My other scooters were all Hondas.
Silverwing, helix, reflex and the PCX.   Thought I would give Kymco a spin.

I want to say thank you to all of you for helping this bike back on the road.
I do think I want to upgrade some things on it like Ruffus did to his.
His installs look fantastic. 

Once I get the code reader I will update with what the error is.

Again I sincerely appreciate everyone’s help.
This is a fantastic community

2
Xciting 500 / Re: Could really use some help please
« on: September 19, 2023, 09:38:04 PM »
Ok probably last post until I get back but here is I think we are.

I did the test.  Battery 12.88
Hooked to bike and cycled key. Let stand for 30 seconds or so. Check battery. 12.64
Tried cracking while watching voltage. It drops to 11.30- 11.40 while cranking.
Bike will crank but never start.  So I think a new battery is needed and I go with your recommendation Ruffus with the lithium ion.

You guys have a great week ahead

3
Xciting 500 / Re: Could really use some help please
« on: September 19, 2023, 06:15:38 PM »
Ruffus, I did read your post about your 500i and you have given me some fantastic ideas.  Voltmeter and USB will be to on my list. I am also going to take your battery recommendation.

If I can get over to my shop tonight, I will follow your steps and report back.


Sadly I won’t be able to ride the bike until week after next.  My Wife has twisted my arm for us to take a vacation next week.  It’s the least I can do since she tolerates my bike obsession.
Happy wife, happy life as they say.

4
Xciting 500 / Re: Could really use some help please
« on: September 18, 2023, 09:54:45 PM »
Got to my shop this afternoon and new symptom. Maybe related. 
Hooked up battery. Battery tested at 12.77. Tried to start bike.  It would just crank but not fire. 
Hooked up my jump box. She started instantly.
Once running. I tested battery again and it is charging at 13.50. Rolling on the throttle has seemingly no effect on charging.  It’s steady at 13.50- 13.51.  Regardless of throttle position.

Weak starter maybe?

  The battery is new but honestly it is a mid/ low level brand.
Weize is the battery brand.

5
Xciting 500 / Re: Could really use some help please
« on: September 18, 2023, 09:18:38 PM »
I disconnect the battery each time I’m done working on it. It has sat for several days with no battery connection. I’m going to check again tonight. It will have been 24 hours off the battery

6
Xciting 500 / Re: Could really use some help please
« on: September 18, 2023, 09:07:00 AM »
I will put all the plastic back on and take her for a ride.
I will go ahead and purchase the diagnostic tool you linked to and will also read your post.
I will update agin in a few days. I have a feeling that my work schedule will be crazy this week as I prepare for vacation next week. 
Thanks again for all the help.

7
Xciting 500 / Re: 2016 Kymco xciting 500.
« on: September 17, 2023, 05:53:46 PM »
Congratulations on your new bike.  I do hope you enjoy every mile you put on the odometer

8
Xciting 500 / Re: Could really use some help please
« on: September 17, 2023, 05:51:37 PM »
Good afternoon guys.  This is my update and progress has been made. 
So, I cleaned the throttle body the map sensor and the cold start bypass valve.
I wish now that I had done each step one at a time and tested but since I always seem to be pressed for time I did them all at once.  Good news is now the bike will start right up.  At least today it did
I tested this several times and it started each time.

I will test again tomorrow to see if it starts.

However, now I have a constant check engine light.
I have adjusted and readjusted the map sensor and the cold start bypass to no avail. 
I’m guessing now I will have to find a code reader. Maybe this will help solve this mystery.

When you first cycle the key of course you get all the lights on the dash including the check engine light. Everything is energized. All lights will go out. The bike will start and about 5-10 seconds later the check engine light comes back on.

Is there any key cycle combinations that flash the code like on some cars and trucks?

Thanks for all the help so far.  I’m much more confident that this bike will in fact ride again.

9
Xciting 500 / Re: Could really use some help please
« on: September 12, 2023, 12:03:46 AM »
This was my theory as well as to why there was no start directly into throttle body. Mixture of balance.

As for the picture. The red arrow, no. I have never touched anything at there.

The green arrow, yes. This is the map sensor and I did remove it to see if there were any signs that is was damaged or broken.  Reinstalled in the same position I removed or so I think.

Is there a chance that if I play around with position of this sensor it messes things up?

10
Xciting 500 / Re: Could really use some help please
« on: September 11, 2023, 03:26:01 PM »
Last week I had the air tube off at the throttle body itself and shot staring fluid directly into throttle body and the bike would not start at all.

With that tube connected and just removing the air filter and shooting starting fluid there, the bike will start. 

The new injector seems to be operating correctly. Good spray from all 4 ports.

Let me ask this?  Could it be the map (manifold absolute pressure) sensor?
It there a way to clean and test this theory without just buying a new one

Yes side stand switch operating properly.  When the side stand is down. Pump shuts off.
Fuel pump will energize when the side stand goes up.

11
Xciting 500 / Re: Could really use some help please
« on: September 10, 2023, 06:40:26 PM »
Good afternoon guys. Sorry for the delay but sometimes work gets in the way.
So this is where I’m at currently. 
Everything at the throttle body is put back together.
I remove the air filter and shot some starting fluid in the air filter opening.
Bike will start and run. I have a 40 second video of bike running.
Turn the bike off and reinstall air filter, bike won’t start.
Remove the air filter again and try to start. No start. Small shot of starting fluid bike starts.
But now I have the check engine light is on.  The last day I rode this bike there was no check engine light.

12
Xciting 500 / Re: Could really use some help please
« on: September 04, 2023, 02:14:22 PM »
Yes I do have the tunnel removed giving access to the engine. 
As for the throttle body. The only 3 things I have removed is the rubber hose on the back coming from the air box. The mass airflow sensor and idle air bypass valve.
I have not removed the TPS sensor. 

The fuel tank is full. With the injector out and cranking, it produces a beautiful spray. It is a new injector, the old injector would only spurt out of one hole, that’s why at first I figured it was the injector.

The one thing I have not done is after putting either starting fluid or gas into the throttle body and trying to start is check the plug immediately after to see if it’s wet or dry. I will do that and see how the plug looks.

Could the TPS sensor be bad?  Does it throw a code or engine light if not working properly?

I have read about a diagnostic tool that you can plug into a connection back by the battery, any chance that is would help me if I found one of those?

13
Xciting 500 / Re: Could really use some help please
« on: September 03, 2023, 11:34:30 PM »
I have not done anything to the atl\ generator

14
Xciting 500 / Re: Could really use some help please
« on: September 03, 2023, 11:32:47 PM »
I will check everything you have suggested Later in the week. I fly out tomorrow for work.
I will update when I know more.  Thanks again.

15
Xciting 500 / Re: Could really use some help please
« on: September 03, 2023, 03:39:51 PM »
Hello Guys, this is where I’m currently at with the bike

Good injector stream
Good pressure with fuel pump
Kill switch operational
Side stand switch operational
Good spark at plug
Tight connection with spark plug boot
Charged battery 12.8. when cranking bike, battery drops to 11.7.
I have reset the TPS using the instructions provided (thank you for pointing me to that post)
Bike will still not start. Even with a shot of starting fluid or gas into the throttle body

Now I’m at a loss. The only other 2 things I can think of is the
Idle air bypass valve (choke) or the mass air flow sensor. Both of which are kind of pricey.

Anyone have any other ideas of things I need to look at. 
Again, thanks for the help.

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