how do you push start a 919? - Wrist Twisters
 
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post #1 of 7 Old 06-24-2016, 09:50 PM Thread Starter
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how do you push start a 919?

Came out from the store today sat on the bike while it was on but not running, I put on the helmet and gloves. When I went to hit the starter, it just buzzed.

I'm sure the headlight and fan were running, but didn't think it would matter much.

I tried about 10 times to push start:
1st gear, duck walk with ign on, release clutch... engine moved but didn't start.

tried 2nd gear, still nothing.

I don't know if I wasn't "duck walking" it fast enough or if the system needs a certain amount of amps/volts to start.

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post #2 of 7 Old 06-24-2016, 10:40 PM
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when my battery croaked a few weeks ago I just put it in second, grabbed the clutch got a run at it, hopped on and popped the clutch, fired right up.

You did have the key on? Right?


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post #3 of 7 Old 06-24-2016, 11:05 PM
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You gotta get a decent speed going, cant duck walk it, more like duck run it. Go at least 2 miles an hour, pop the clutch while thumbing the starter at the same time. It should fire right up. 2nd gear tends to work best.

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post #4 of 7 Old 06-25-2016, 06:42 AM Thread Starter
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Ok, so I just didn't have enough speed. Good to know. If I had a bit of a slope, it probably would have worked.

Anyone ever heard of using a drill battery to jump start a bike? Seems like one could be stored in a tank bag just in case.

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post #5 of 7 Old 06-25-2016, 07:15 AM
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Quote:
Originally Posted by voodooridr View Post
when my battery croaked a few weeks ago I just put it in second, grabbed the clutch got a run at it, hopped on and popped the clutch, fired right up.

You did have the key on? Right?
Same thing for me, same method, fired up real nice and easy first time.
(challenging is a Norton Commando on straight 50 oil on a cold night on cold engine if you don't get it to start the first try)
I hadn't had to do it for many years, which reminds me, the term I was taught eons ago was "run and bump".
Duck walking won't do it, that's for sure.
Meanwhile, for cars it was "push start".

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post #6 of 7 Old 06-25-2016, 08:54 AM
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Quote:
Originally Posted by KarlJay View Post
I don't know if I wasn't "duck walking" it fast enough or if the system needs a certain amount of amps/volts to start.
It has electronic fuel injection, so yes, it needs a certain amount of "juice" to operate the fuel pump and injectors.

Even when you are able to "bump", or jump start it, be careful pulling into traffic until you have a decent charge on the battery. A need for WOT drives the injectors to 100% duty cycle. If there is not enough "juice" it will fall on its face.

BTDT, almost got run over.

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post #7 of 7 Old 06-25-2016, 12:23 PM
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Last time I had to bump start it, I had to bring it to a full out sprint, then jump on it and have my butt smack down on the seat just as I released the clutch for some extra weight on that rear wheel. I had a completely dead battery and it was like, 8 F outside. Give it some gas too, cuz the my idle was so low that it nearly died out again.

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