Quad Dies When I Let Clutch Out - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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Old 06-06-2006, 08:16 PM   #1 (permalink)
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ive had this problem time after time and i dont know what to do, my quad just dies as soon as i let my clutch out, it starts right back up after it dies though. i changed my gas, tried reserve, fuel line and hose are clean, no dirt, i cant find any loose wires yet could there be something clogged in a jet? i also never really noticed this but when its in gear and key is on and you pull the clutch in is there supposed to be a clicking sound coming from the battery or fuses
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Old 06-06-2006, 08:20 PM   #2 (permalink)
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A few things come to mind:

1. TORS switch
2. Clutch switch
3. Neutral switch (doubtful because I think that ones the idiot light )
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Old 06-06-2006, 08:22 PM   #3 (permalink)
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Quote:
Originally posted by YFZ450alterego@Jun 6 2006, 07:20 PM
(doubtful because I think that ones the idiot light )
[snapback]436222[/snapback]
i like the idiot light. it lets me me i can just "let go" of the clutch
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Old 06-06-2006, 08:40 PM   #4 (permalink)
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how do i figure out if its one of those? and how do i fix them
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Old 06-06-2006, 08:42 PM   #5 (permalink)
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the tors is the one that u can wire it to itself? thats on the throttle?
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Old 06-06-2006, 08:45 PM   #6 (permalink)
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The clutch switch can be bypassed by following the wires leaving the clutch perch down under the front fender and unplugging them and then plugging them into each other.

The TORS switch can be bypassed but you'll have to cut the wires. Instead of that youcan remove the cover for the throttle assembly and see if the red button inside the housing is moving freely when the throttle is depressed. Spray some silicone lubricant in there and see if it helps any.

Doubtful it's the neutral switch.

Last resort is the carb switch.

I recommend looking at the service manual because it has a break down of how to troubleshoot all the electrial if it's electricl in the first place.
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Old 06-06-2006, 09:16 PM   #7 (permalink)
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when the quad is offf and in gear i pull the clutch in and let it out and it makes a clicking sound like it kills the power
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Old 06-06-2006, 09:18 PM   #8 (permalink)
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Quote:
Originally posted by racinman68@Jun 6 2006, 09:16 PM
when the quad is offf and in gear i pull the clutch* in and let it out and it makes a clicking sound like it kills the power
[snapback]436263[/snapback]
That's the starting circuit cut-off relay......it's tied into the clutch switch. That's telling me that it's not the clutch switch.
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Old 06-06-2006, 09:33 PM   #9 (permalink)
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so any tips on what i should do, its when the clutch hits that gold thing where the clutch switch is then it makes a clicking sound and cuts the power so that has to do with my starting circuit relay then?
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Old 06-06-2006, 09:36 PM   #10 (permalink)
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Bypass the clutch switch like I suggested in one of my earlier posts and see what happens.
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Old 06-06-2006, 10:19 PM   #11 (permalink)
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i tried bypassing the switch but it did not work my brother took the switch apart and put it back together and seems to run fine now but maybe its just deciding to run now, but when i take it off a jump it will probably die again hopefully not because i have a race friday and dont want it to die ill keep u guys posted on how it goes,Thanks for the help.
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Old 06-06-2006, 10:41 PM   #12 (permalink)
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mine did the same thing when i got rid of the wires comming out of the thummer. i think thats the TORS switch they were talking about before
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Old 06-07-2006, 01:40 PM   #13 (permalink)
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well it did it again today killed in mid air twice and i cased it but actually started right back up and went right of way, so tonight i will try and bypass the clutch swtich and the tors, does it hurt aything if i do that?
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