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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: Murphy Blows! ......so does that damn FI light! NEW TOPIC NEW POLL POST REPLY
BA


Pro
Posts: 1592
posted September 28, 2004 05:01 PM        
Murphy Blows! ......so does that damn FI light!

...my little saga continues and I swear Mr. Murphy is looking over my shoulder.


The cam timing on my engine is fixed,....it was good on the intake, but 4-5 degrees off on the exhaust. (retarded)

The shims are all corrected.

Things are buttoned down (up?) and I figure I'm ready for some compression and leakdown tests before firing it up...again.

It won't crank over! Som'bitch. My damn FI light is on as soon as I turn the key on.
That's not normal is it? I don't recall the FI light being on just with a turn of the key. I thought it was just the oil light that came on.


So, I'm double checking things. My only place I have concern is the oil pressure switch. The end is like a clip right? Well, one side of that clip broke off so I'm wondering if this is the cause of the FI light or the "no crank" situation.

I thought I had it covered by sandwiching it between two very thin washers but that didn't seem to change anything.


Any thoughts out there? This thing just cranked a few weeks ago! All connections seem to be made, battery is good, gauges swing, horn honks, absolutely no cranky though. FI light ON.



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motorcycleboy


Expert Class
Posts: 102
posted September 28, 2004 05:25 PM        
It won't crank or it won't fire?

Are you saying the starter won't even turn over or it turns over but the motor won't fire?

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BA


Pro
Posts: 1592
posted September 28, 2004 05:25 PM        
HAHAHAHAHA !!!!

Ok, never mind me, I went ahead and took it out of gear. lol!




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Canadamaxxer


Pro
Posts: 1090
posted September 28, 2004 06:04 PM        
D'oh!!!!
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BA


Pro
Posts: 1592
posted September 28, 2004 07:11 PM        
For those who want to follow along, Mr. Murphy DID show up after-all tonight.

Compression check, butt COLD!
1 - 125psi
2 - 115psi
3 - 130psi
4 - 120psi

Not what I was looking for, but, let's move on.

Leakdown Test, also butt cold!
4 - 25% hmmm. a bit through the crankcase
3 - 10% deserves a second check but, my adapter was contankerous.
1 - 19% ok, I can live with this on a cold engine.
2 - 50% Checked, re-checked, re-checked and re-checked again. it's 50%.
sounds like mostly intake noise.


sure would suck to have to take the head off and have it checked. {insert insanely mad, ballistic little emoticon here}
Guess I'll go quadruple check the valve clearance on #2 just to be sure.



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Widowmaker


Expert Class
Posts: 378
posted September 28, 2004 08:46 PM        
LOL, I did something stupid kinda like that. Im at a friends house and I decide to leave, the bike is 1 week old goto start it nothing lights are on .
so my buddies start pushing me so I can jump start it they push me up and down the street around 5 times (nothing wtf) so I bang on the starter switch a few times bam starts right up fucken short in the starter switch right, well about a month goes by and it fucken bike does it again.
so I goto bang on the starter switch and notice the kill engine switch clicked well I rarley use it and from hitting on the starter that night my buddies pushed me it switched the cut off switch back to run talking about stupid.

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ninja12


Needs a job
Posts: 3310
posted September 29, 2004 04:58 AM        
>Leakdown Test, also butt cold!
>4 - 25% hmmm. a bit through the crankcase
>3 - 10% deserves a second check but, my adapter was contankerous.
>1 - 19% ok, I can live with this on a cold engine.
>2 - 50% Checked, re-checked, re-checked and re-checked again. it's 50%.
>sounds like mostly intake noise.

don't know why the valves stick when the head sits up, but i have had luck tapping the valve bucket while the leak down pressure is still on and cams out . makes a popping sound and the pressure will come back.

I almost pulled my head after i put the hd springs in, for the same thing.
NOW i always do my leakdown BEFORE i put the cams in.

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