Troubles starting the bike - Wrist Twisters
 
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post #1 of 7 Old 10-03-2012, 12:06 PM Thread Starter
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Troubles starting the bike

Hey guys

Been noticing that during the chillier mornings here, my 919 is having trouble starting. I will push the starter button, bike will fire up, let go of button, bike dies. I've tried holding the button in longer and whacking the throttle a few times, but that only seems to get her going after several fails in the first way. I've opened the choke and still nothing.

I put new plugs in a month ago. Old plugs show no sign of browning so I don't think it's the fuel regulator.

Air filter is pretty clean, could be better.

Running a PCIII.

Any thoughts?

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post #2 of 7 Old 10-03-2012, 12:29 PM
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classic cold weather starting problems with a PC3.

No one has been able to figure out why it does it.

Use the choke knob on the clutch side of the bike when starting... and according to pvster hold the starter down longer after the bike has started firing.

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post #3 of 7 Old 10-03-2012, 12:32 PM
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^ this plus when you finally get it to grab and can rev it a bit, just rev it once up above 5k RPM's. This usually does it, for whatever reason, and it should stay running.


You can test this (the cold start issue with a PC3) if you want by just unhooking the negative lead to the PC3 from the battery, then starting the bike (cold). Problem will go away.

Welcome to the 'almost' most annoying thing on the planet that hasn't been solved yet.

More reading pleasure (one of many threads on the topic):

https://www.wristtwisters.com/forums/...fix-31557.html

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post #4 of 7 Old 10-03-2012, 12:44 PM Thread Starter
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Ah thanks guys! Glad to know its nothing serious. I'll test the 5k and longer hold tomorrow morning.

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post #5 of 7 Old 10-03-2012, 07:22 PM
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Sadly, everyone in this thread nailed the issue.

I hold the start button down for 5+seconds after the bike fires up. Haven't had a problem with the bike dying on me so far.

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post #6 of 7 Old 10-04-2012, 08:52 AM
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Solution: Don't run a PC3. Works for me.

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post #7 of 7 Old 10-04-2012, 10:50 AM
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Quote:
Originally Posted by CB700S View Post
Solution: Don't run a PC3. Works for me.
May work for you, but doesn't work for me. Can't stand the throttle jerkiness in stop/go traffic and under 4k rpms. That's why I put up with it. Having no issues if I hold down the start button for longer helps a lot as well.

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