Bike Starts but can not release clutch or it stalls - Road Star Warrior Forum : Yamaha Star Warrior Forums

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Old 10-14-2019, 02:59 PM   #1 (permalink)
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Default Bike Starts but can not release clutch or it stalls

I have a 2006 warrior, I am able to get the bike to start (only if I have the clutch lever pulled in) once the bike is running in neutral I go to release the clutch (still in neutral) and the bike stalls out. Same thing if the clutch is in and I drop it into gear it stalls. I have checked and bypassed the kickstand switch but the bike still stalls out if I let go of the clutch. I checked the clutch sensor on the handle bar as well, all sensors seem to be working how they are supposed to be. Any Ideas on what could be going wrong with the bike?
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Old 10-14-2019, 03:02 PM   #2 (permalink)
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Have you checked the side stand sensor?

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Old 10-14-2019, 03:03 PM   #3 (permalink)
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Sorry.
I read it wrong

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Old 10-14-2019, 03:34 PM   #4 (permalink)
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If the bike has sat for a while the clutch plates could stuck together.

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Old 10-14-2019, 04:23 PM   #5 (permalink)
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Quote:
Originally Posted by Blackhat View Post
I have a 2006 warrior, I am able to get the bike to start (only if I have the clutch lever pulled in) once the bike is running in neutral I go to release the clutch (still in neutral) and the bike stalls out. Same thing if the clutch is in and I drop it into gear it stalls. I have checked and bypassed the kickstand switch but the bike still stalls out if I let go of the clutch. I checked the clutch sensor on the handle bar as well, all sensors seem to be working how they are supposed to be. Any Ideas on what could be going wrong with the bike?
I don't know if there is any history with this problem or if it's a new occurrence.
Enclosing a Hosted Snap-Shot of the Late Relay Unit as a troubleshooting tool for your issue.

Based on your OP it's obvious that the ECU is NOT seeing the Sidestand UP and the reason the engine is cutting out when NOT in Neutral.
It is doing exactly what it is designed to do.

There are only several reasons for this issue. Bad switch, blown diode (D6), poor ground or poor wire connections.

NOTE: Disregard ECU Pin 7 & Burnt Tracing verbiage

The Sidestand Sw can be jumpered out under seat Here: Wire Tray over Battery
  • Blue/Green to Black (Blue 2-Pin Connector)
I suspect you're going to need to visually inspect the wiring @ the Relay Unit and perhaps check the referenced D6 diode.

Taking wire Blue/Yellow (-) to chassis ground (Temporarily) will defeat the prestart interlocks and allow you to start the bike so proceed at your own risk!

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Last edited by alanh; 10-14-2019 at 05:00 PM. Reason: typo
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Old 10-14-2019, 05:01 PM   #6 (permalink)
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Be advised I updated my OP several times regarding your issue
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Old 10-14-2019, 05:06 PM   #7 (permalink)
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Thanks I will look further into that. I still don't get why it cuts out if it is still in neutral, This issue just started after the bike sat for 2 weeks
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Old 10-14-2019, 05:20 PM   #8 (permalink)
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Thanks I will look further into that. I still don't get why it cuts out if it is still in neutral, This issue just started after the bike sat for 2 weeks
I didn't pick-up on that in my OP

Is this condition correct?
The bike when in neutral (neutral light on) & sidestand up will not start unless the clutch lever is operated. Then when shifted into gear the engine cuts out.

If above condition is correct then there is an issue with the Relay unit diodes or wiring connections at relay.
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Old 10-14-2019, 05:36 PM   #9 (permalink)
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Quote:
Originally Posted by alanh View Post
I didn't pick-up on that in my OP

Is this condition correct?
The bike when in neutral (neutral light on) & sidestand up will not start unless the clutch lever is operated. Then when shifted into gear the engine cuts out.

If above condition is correct then there is an issue with the Relay unit diodes or wiring connections at relay.
The bike starts with the clutch pulled in and neutral light on and side stand could be down or up, when i release the clutch with the neutral light still on the bike turns off. If the clutch is fully engaged and I shift into a gear the bike turns off as well
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Old 10-14-2019, 08:35 PM   #10 (permalink)
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I just re read your original post. My bad. How tight is your clutch cable? What happens if you give it some throttle while you release the clutch in neutral?
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