RE: 1 cylinder down‏ - final update

Don French sirdondiego at outlook.com
Thu Mar 27 20:02:02 PDT 2014


Glad you got it sorted.Thanks for updating us.

Have a great and safe riding season.
Don.

> From: jlmdx at hotmail.com
> Subject: RE: 1 cylinder down‏ - final update
> Date: Thu, 27 Mar 2014 14:27:06 -0400
> To: Sirdondiego at outlook.com
> 
> BACK IN BUSINESS
> -Reseated the ignition wires to the plug
> ends
> -Removed and cleaned all of the carbs (more
> thoroughly than the first time)
> 
> 
> 
> -Cleaned the air filter
> 
> 
> 
> -Changed the oil & filter, gas &
> filter, and spark plugs
> 
> 
> 
> -Added fresh gas and a few ounces of Sea
> Foam and idled it for while
> 
> 
> 
> Since then, I've been riding it and
> it's back running strong.
> 
> 
> 
> 
> During this, I also noticed at the
> bottom of the air box there is a  "body-breather" / PVC
> that sends unburnt combustion back into the cylinders up 4 separate
> tubes within the air box bypassing the air filter.   But that
> open-bottomed breather assembly is glued to the bottom of the air box
> and the glue no longer held so engine oil ended up on the air filter.
>  I've been noticing the oil for years and simply replaced the air
> filter a couple of times.  This time I cleaned and epoxied the
> junction box so oil won't foul the box and filter again.
> Thank you all for the comments and suggestions!, john
> 
> 
> > From: sirdondiego at outlook.com
> > Subject: RE: 1 cylinder down‏ - update
> > Date: Mon, 17 Mar 2014 00:37:18 -0500
> > To: JLMDX at hotmail.com
> > 
> > Don't waste your time putting a filter on the snorkle that points down in the airbox. That peice of foam is open on the end and is there for sound deadening only. I wonder if the disintigrated pieces are clogging up your air filter. Clogged pilot jets will cause problems too.Good luck!
> > 
> > > From: jlmdx at hotmail.com
> > > Subject: RE: 1 cylinder down‏ - update
> > > Date: Sun, 16 Mar 2014 14:15:42 -0400
> > > To: Sirdondiego at outlook.com
> > > 
> > > Timothy: I didn't realize I'd need to rejet for pods.  I'll get the pods eventually and chuck that air box, but for now I don't want to introduce jet changes too until it runs smoothly.
> > > 
> > > It sat for 24 hours in the Prime position and no leaking - so I think the float pin is back in business.
> > > 
> > > Ped: It doesn't look like the plug cables are replaceable without buying the coils too @ $70 * 2.  That's going to wait until I've put everything back together and see how it runs with the new plugs.
> > > 
> > > Steve: I tried running the motor with the air injection tube plugged and unplugged - I don't notice a difference.
> > > 
> > > I did notice on the throat side of the air intake box there is another filter in there.  The fiche simply calls it a duct, but it's wrapped with a foam filter tape that was 50% disintegrated.    I don't think it's even replaceable without removing the air box.    I'm going to wrap that duct with a fiberglass filter I have laying around.
> > > 
> > > Thanks all, john
> > > 
> > > 
> > > 
> > > > Date: Sun, 16 Mar 2014 07:35:12 +0100
> > > > From: gpz1100abs at gmail.com
> > > > Subject: Re: 1 cylinder down‏ - update
> > > > To: JLMDX at hotmail.com
> > > > 
> > > > You may be on the right track suspecting the ignition. Some years ago a 
> > > > German friend of mine experienced intermittent bad running as well. He 
> > > > went through just as much as you've done without getting to the bottom 
> > > > of the problem. As a last resort he changed the ignition cables and this 
> > > > did the trick. He said he got a completely new bike, running so smoothly 
> > > > like never before. Might be worth a try if nothing else works.
> > > > 
> > > > Ped
> > > > '96 "Black Stealth" GPZ
> > > > Denmark
> > > > 
> > > > Den 16-03-2014 02:56, john leonard skrev:
> > > > > I've checked a few things on my '96.I purchased a compression gauge and tested the cylinders.  They appear about equal.  2 @150 psi and 2 @ 160 psi.   I removed the air box (for good), and intend to install pod filters and a crankcase filter.I cleaned out #3's bowl and float pin (the one that flooded) and sprayed carb cleaner in all the intakes.  I didn't remove/adjust the jets.  I cleaned the spark plugs again; they all show about the same resistance on a meter.  I put the tank and carbs back on and it's still not running well and stalls if I give it any gas, but I think I need pods in place.I'm beginning to think the ignition is at fault.  As I mentioned in my last post, the engine was missing big-time a few weeks ago (before the hydro lock)  then it magically starting working again after sitting for a day to two.
> > > > > So here's what's on order.  4 new plugs, 4 pods, 1 crank filter, and new Service Manual (my old one went missing).  I'll test the ignition and the cables once I find out how that's done.
> > > > > john
> > > > >
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