Bike won't start after winter, need some ideas... - Wrist Twisters
 
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post #1 of 12 Old 05-13-2013, 12:01 PM Thread Starter
Tirone
 
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Bike won't start after winter, need some ideas...

The bike is a 2003 Honda CB900F "919" fuel injected with about 16000 miles on it. I winterized my 919 in November of 2012 and last week I decided to drain the antifreeze and attempt to flush the system. The only problem was, after draining and refilling with distilled water, then putting the battery back in, the bike wouldn't start.

The fuel pump primes, the starter cranks, but the motor will not fire.

When I winterized the bike I filled the tank with premium (it does have ethonol in it) and used the suggested amount of sta bil. I then rocked the bike a little and let it run for about 15 minutes. The bike hasnt been started since. The bike had no issues before being winterized.

I have completly drained the fuel and replaced it, checked for spark, and have tried kick stand down and up, clutch in and out and it will only crank. I sprayed starter fuel in the air box and it fires right up, but dies after a few seconds.
I pulled the plug closest to the left side of the bike, clutch side. When i pulled the spark plug it was fouled, but had spark. Ive checked for any exposed wire but couldnt find any. I do have a power commander on the bike if that makes any difference. It lights up when it's trying to start.

Because I don't want to wear my starter out I don't want to sit and crank the motor for too long, so I was hoping someone here could give me things to try so I'm not going at this blindly.

Can the bike start with starting fluid if a kill switch is active? I've also read something about the power commander losing connection to the ECU?

Appreciate any suggestions!
Thanks

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post #2 of 12 Old 05-13-2013, 12:08 PM
The Cripple
 
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Sounds like the classic PC3 cold start issue. When you attempt to start it, as it cranks and catches, blimp the throttle and see if that gets it running. If it does, that is the tell-tale sign of the classic PC3 cold start issue. There are 2 work-arounds for it but no known cure as of yet.

If blimping the throttle doesn't work, check the battery voltage (loaded/unloaded) to make sure it's good or needs a charge.

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post #3 of 12 Old 05-13-2013, 12:12 PM
Ian
 
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If that doesn't work remove the PC3 completely. Wouldn't hurt to pull all four spark plugs and crank it to clear the cylinders, also clean and dry the plugs prior to reinstall.

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post #4 of 12 Old 05-13-2013, 12:13 PM
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The PC3 is a piggy-back system, so you could unplug it and connect the computer like stock to test it out.

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post #5 of 12 Old 05-13-2013, 01:12 PM
(Quintus) Pilus Prior
 
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Try disconnecting the PC3 as suggested...but I suspect your fuel has gone stale and will need to be drained & replaced. If im wrong, i will be happy to be wrong.

Well, fire the engines! Spur this iron space-pony on!

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post #6 of 12 Old 05-13-2013, 01:28 PM
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It's worth asking since I have not seen it mentioned but when you turn the ignition on all the way are you hearing the fuel pump make any noise? It should make a brief whirring noise for about 2 seconds when it is first keyed on...

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post #7 of 12 Old 05-13-2013, 01:30 PM
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^ OP: "The fuel pump primes" -- That's the whirring noise

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----------------
------------
---------
------
---
- '96 Race-retired GSXR 750 (Sold)
- '01 RC51 SP1 (Sold)
- '03 919

"Security is mostly a superstition, it does not exist in nature: avoiding danger in the long run is no safer than outright being exposed. Life is either a daring adventure or nothing."-Helen Keller
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post #8 of 12 Old 05-13-2013, 01:31 PM
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Ummm check the battery first.....remember K.I.S.S.

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post #9 of 12 Old 05-13-2013, 01:39 PM
Aquilifer
 
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Derp... So much for reading each line of his post.... LOL

Rob C

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2000 DL650 - Being ridden but make me an offer if interested...
2002 DL1000 V-Strom
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post #10 of 12 Old 05-13-2013, 01:40 PM
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Quote:
Originally Posted by Tadashi View Post
Ummm check the battery first.....remember K.I.S.S.
+1! The 919 does not play well with a weak battery, this is a very well known issue.

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post #11 of 12 Old 05-14-2013, 06:35 PM Thread Starter
Tirone
 
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Stupid mistake....after detaching the PCIII, the bike started right up. Then I looked at the instructions on how to hook the wires back up to see if something was wrong, there was. Because I haven't even looked at the bike for 6 months I completely forgot that the PCIII is supposed to hook into the negative side of the battery. Hooked it up right, problem solved! F
Thanks everyone for the ideas

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post #12 of 12 Old 05-14-2013, 07:15 PM
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Love easy fixes!

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