Oil pressure warning light ON...!?!

[gpzeer at gmail.com]

Ped,

Be sure to check the wire coming from the oil pressure switch.  Security of 
connection etc.  I have had that cause me some anxious moments before.  Good 
Luck.

Dennis Peterson

95 RED
Orem, UT USA

-----Original Message----- 
From: GPZ1100ABS
Sent: Friday, February 14, 2014 11:48 AM
To: Dennis Peterson
Subject: Oil pressure warning light ON...!?!

I'm a little bit troubled to say at least.

After completing the winter overhaul I had the engine started for the
first time since November. It fired right up and ran smoothly at fast
idle. After a minute or so the mechanical sound of the engine changed a
little bit - not much,  just barely noticeable. It was not rattling or
noisy or anything, just a little bit different. Not from the top end,
more like a change in the crank case. Not overly concerned I decided to
take it for a spin on the suburban road, just a couple of hundred
meters. During this the oil pressure warning light flashed a couple of
times, then a couple more times at a longer duration, then finally it
came on permanently. I stopped to check for oil leaks and found none,
plenty of oil in the engine. Fired it up again, the red light remained
on, shut down again.

Of course I should have changed the oil and the filter before putting
her away for the winter. On the other hand the oil quality should not
degrade so much during winter as to cause engine failure at startup
months later?

I have drained the oil and taken the filter out. Tomorrow I'll put in a
new filter and add fresh oil and see if the problem remains. But given
the little change in the sound of the engine I fear that something
mechanical has happened.

The only work I have done on the engine this winter was valve adjustment
- something I have done more than a dozen times, and I didn't drop
anything in the crank case nor left any piece of cloth or anything else
in the top end. So what could it be? Can the oil pump quit all of a
sudden? Any ideas? The engine has run 158.000 km (almost 100.000 miles),
but last year it was still running smooth and with low to moderate oil
consumption (approx. 1 liter pr. 10.000 km)

Ped
'96 Black Stealth" GPZ
Denmark

PS: Fortunately I have George's engine sitting in the garage, but I'd
like this one to run just a little bit longer...
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