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Measuring Radiator Flow

 
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Manjo

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Since: May 19, 2007
Posts: 11



(Msg. 16) Posted: Sat Feb 09, 2008 5:49 am
Post subject: Re: Measuring Radiator Flow [Login to view extended thread Info.]
Archived from groups: rec>motorcycles>tech (more info?)

On Jan 23, 5:26 pm, "Ken Abrams" <harvest_t... DeleteThis @scum.suckers> wrote:
> "Manjo" <manjo1... DeleteThis @gmail.com> wrote
>
> > When I get the heads and cylinders off, ......
>
> WHAT, AGAIN........?????
>
> You do have a one track mind, don't you?

KEN: (sigh)

>
> Here's my take: You are running RICH, causing the carbon buildup (how
> paranoid does one have to be to actually MONITOR the carbon buildup in the
> chamber  Wink ...).
> As the engine heats up, it "likes" to be a little leaner.  If you are way
> rich, it will do exactly as you describe.  Engines do not like to be rich
> when hot.
>
> I think you need to check your mixture......with an exhaust gas
> analyzer....and then fix the carbs. or intake restriction or whatever it is
> causing the rich mixture.

KEN: I'll take a shot at that. Manjo
>
> I cannot in my wildest imagination see how taking the heads off yet again
> will help anything.

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Ken Abrams

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Since: Aug 01, 2006
Posts: 272



(Msg. 17) Posted: Sat Feb 09, 2008 4:07 pm
Post subject: Re: Measuring Radiator Flow [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Manjo" <manjo1111 DeleteThis @gmail.com> wrote

> I've taken the clutch apart several
>times and I'm careful for undue wear and to torque everything to
>spec. But I will go over it more carefully to be sure. Thanks.

OK, so how many times are you going to take the clutch apart before you
realize that it is NOT the problem???

In addition to the already mentioned potential fuel system problems, you
could also have a vacuum leak that is showing up when "parts" expand as they
get hot. Pay particular attention to the boots between the carb(s) and the
engine intake.

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Manjo

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Since: May 19, 2007
Posts: 11



(Msg. 18) Posted: Sun Feb 10, 2008 8:54 am
Post subject: Re: Measuring Radiator Flow [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Feb 9, 11:12 am, "Ken Abrams" <harvest_t... DeleteThis @scum.suckers> wrote:
> "Manjo" <manjo1... DeleteThis @gmail.com> wrote
>
> > I've taken the clutch apart several
> >times and I'm careful for undue wear and to torque everything to
> >spec.  But I will go over it more carefully to be sure.  Thanks.
>
> OK, so how many times are you going to take the clutch apart before you
> realize that it is NOT the problem???
>
> In addition to the already mentioned potential fuel system problems, you
> could also have a vacuum leak that is showing up when "parts" expand as they
> get hot.  Pay particular attention to the boots between the carb(s) and the
> engine intake.

Thanks. I'll be sure to check the boots, again.

Manjo
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jhunt1x1

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Since: Dec 22, 2004
Posts: 392



(Msg. 19) Posted: Sun Feb 10, 2008 2:07 pm
Post subject: Re: Measuring Radiator Flow [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Sat, 9 Feb 2008 05:43:10 -0800 (PST), Manjo <manjo1111 DeleteThis @gmail.com> wrote:

>No smoking, but when I'm leading my wife says she does smell
>oil burning from time to time.

If your valve guides are worn, you'll lose oil when the engine is coasting
(holding back). Have someone follow you down a long hill. Get in a high enough
gear that the bike will keep a decent speed down the hill with the throttle
closed. If it starts to smoke then (and only then), you're on the right track
when checking valve guides. New seals may fix the problem for a little while
but the permanent fix is to replace the valves and guides along with new seals.

--
Jack
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Rob Kleinschmidt

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Since: Apr 17, 2007
Posts: 252



(Msg. 20) Posted: Sun Feb 10, 2008 9:16 pm
Post subject: Re: Measuring Radiator Flow [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Feb 10, 8:54 am, Manjo <manjo1... RemoveThis @gmail.com> wrote:
> On Feb 9, 11:12 am, "Ken Abrams" <harvest_t... RemoveThis @scum.suckers> wrote:
>
> > "Manjo" <manjo1... RemoveThis @gmail.com> wrote
>
> > > I've taken the clutch apart several
> > >times and I'm careful for undue wear and to torque everything to
> > >spec.  But I will go over it more carefully to be sure.  Thanks.
>
> > OK, so how many times are you going to take the clutch apart before you
> > realize that it is NOT the problem???
>
> > In addition to the already mentioned potential fuel system problems, you
> > could also have a vacuum leak that is showing up when "parts" expand as they
> > get hot.  Pay particular attention to the boots between the carb(s) and the
> > engine intake.
>
> Thanks.  I'll be sure to check the boots, again.

And just for laughs, check the compression in each
cylinder. You can spend lots of time fiddling with carbs
and ignition when the real problem is one cylinder
pumping way better than the other.

If one cylinder's pumping poorly and you try to compensate
for it with tuning, you can confuse yourself pretty thoroughly
and induce some very odd behavior.
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