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dr350-digest       Wednesday, November 10 1999       Volume 01 : Number 194




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Date: Mon, 8 Nov 1999 23:41:52 EST
From: [e-mail]
Subject: (dr350) DR350SE Gearing

I'm running a 14 front and a 45 rear sprockets on my 1995 DR350SE.  I just
got back from Moab Utah where I rode the White Rim Trail, Slick Rock Trail
and a 90 mile ride that included Onion Creek-Thompson Canyon-La Salle Mt.
loop-Sand Flats Rd.  Gearing was perfect for the off road adventures and I
could still cruse at 60 mph on the highway to get there.

Dave Bamberger/DR350SE/RZ350/CBR600F4/Colorado Springs/

In a message dated 11/8/99 8:12:31 PM, [e-mail]
writes:

<< I think that lowering the overall gearing would
help a lot. What sort of experience does the list have with
changing the sprockets.  >>

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Date: Tue, 9 Nov 1999 09:22:20 -0500
From: "WDSRC" <[e-mail]>
Subject: (dr350) Floridan DSR

The first annual Seminole Wind Dual Sport Ride was held this past weekend in
Eureka, Florida. Look for details and pictures of the ride coming to the
WDSRC website next week.....

Robert Frey
WDSRC


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Date: Tue, 09 Nov 1999 10:36:10 PST
From: "Bryan Nolastname" <[e-mail]>
Subject: Re: (dr350) New sprocket for 96 DR350se

I left the 14 front alone & changed to a 48 rear on my 95 SE.  I'm really
happy with it.  At hiway speed top gear, 1K rpm = 10mph (70mph=7K rpm,
etc..).  Low end in first is great for just tractoring up really steep
hills.  I did not need a new chain to do this.

Bryan in Dallas
95 DR 350SE


>From: Bruce Nicholson <[e-mail]>
>Reply-To: Bruce Nicholson <[e-mail]>
>To: [e-mail]
>Subject: (dr350) New sprocket for 96 DR350se
>Date: Sun, 7 Nov 1999 20:48:45 -0800
>
>Hi all
>
>I cut the top of of the airbox on my 96 350se and replaced
>the main jet, idle air screw, and needle. The bike runs
>much better than stock, and pulls easily from idle to red
>line. The one thing it could use is a little more low end
>power.
>
>I seem to find myself in places where either first
>gear is just a little too high or second is not quite low
>enough. I think that lowering the overall gearing would
>help a lot. What sort of experience does the list have with
>changing the sprockets. Is it easier to go one tooth
>smaller on the front or a few larger on the rear? Is the
>stock chain long enough to let me increase the diameter of
>the rear sprocket? If so, by how much?
>
>Thanks
>Bruce
>[e-mail]
>
>Support Dual Sport News with your subscription
>http://www.geocities.com/~klrdsn/page2.html
>Visit the dr350 archives at
>http://www.listquest.com/lq/search.html?ln=dr350
>Unsubscribe by sending a message to [e-mail]
>Leave subject blank, message is unsubscribe dr350 (or dr350-digest).

______________________________________________________
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Date: Wed, 10 Nov 1999 01:22:25 +0100
From: "Pablo" <[e-mail]>
Subject: (dr350) =?iso-8859-1?Q?News_and_dr350se_=B499_=2815-43=29_gear?=

I have a new graphic of the speed-rpm in this Bike in
http://www.ctv.es/USERS/pasamo/velocidad.htm
. (with the speedometer
and rpm indicator, this graphic is very exact, +-5 km/h) (1 mille =3D1.6
km/h). With the programs of the Download section, you can calculate the
appropriate gear (original spanish DR is 15-43)  for each situation
(highway, off-road, on road...) and you can see the results of your chang=
es.

Bye (and, other time, sorry for my english)
PD: there are new sections: travel on the world with DR350 (with pics)
http://www.ctv.es/USERS/pasamo/aventuras.htm
and   new DR=B4s in http://www.ctv.es/USERS/pasamo/masdrs.htm

bye.

_______________________________________________

                           SUZUKI DR350SE
                     "Ride the winds of change"

The Suzuki DR350SE web: www.ctv.es/USERS/pasamo



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Date: Wed, 10 Nov 1999 18:21:04 +0100
From: =?iso-8859-1?Q?J=FCrgen?= Seeger <[e-mail]>
Subject: Re: (dr350) Q: piston ring

And another two questions:

the clearance between Wiseco piston (80 mm) and cylinder should be
0,05 mm, shouldn`t it?

do you ever have polished valves and inlet channels?

Regards,

J=FCrgen


jessekientz schrieb:
>=20
> Hi Jurgen,  The Wiseco you are speaking of is the next oversize I am as=
suming, would be fine. The piston in the 435
> kit is also a Wiseco and I have had good luck with them in fact I am do=
ing two of the 435 mods now.
> Regards Jesse
> J=FCrgen Seeger wrote:
>=20
> > Content-Type: text/plain; charset=3Diso-8859-1
> > Content-Transfer-Encoding: 8bit
> >
> > Hi Jesse,
> >
> > and, of course, the cylinder measures 79.02 in one and 79.10 in
> > other directions. Thus, clearance between cylinder and piston
> > is too high and it's too much "not round", according to my
> > German manual.
> >
> > Do you have experiences with Wiseco piston, for 10.5 compression?
> >
> > J=FCrgen
> >
> > jessekientz schrieb:
> > >
> > > HI Jurgen,  I do not recommend the 83 mm as it leaves the cylinder =
only 2mm thick an have seen them break out
> > > chunks and these chunks seriously mess things up in the bottom end.=
  I would go with either a big bore where a
> > > larger sleeve that has a thick wall when finish bored or go to the =
next stock oversize that will clean up the
> > > bore to proper clearances.  When checking the cam bearings I would =
first make sure the cam journals are within
> > > the proper specs  and if they are then lay the cam in the head and =
lay the plastigage on the surface of the cam
> > > and torque the top of the head over it  then remove it.  The plasti=
gage will form to the thickness and the
> > > thickness chart on the plastigage package will tell you the clearan=
ce measured. I hope I am not losing you with
> > > my lengthy descriptions, if so let me know and I will try to clarif=
y them.   Regards Jesse
> > >
> > > J=FCrgen Seeger wrote:
> > >
> > > > Hi Jesse,
> > > > around 13000 km are on the odometer. The piston diameter is in th=
e tolerance,
> > > > but the first piston ring has a to big gap, when it is measured i=
n the cylinder
> > > > bore. This week I`'ll visit a mechanical specialist to measure th=
e bore (have no
> > > > micrometer for it) and will get plastiguage for measurement of th=
e cam.
> > > >
> > > > If the piston/bore clearance is too big and I have to replace it =
- - is the 83 mm piston
> > > > (385 ccm) reliable, or does it cause trouble?
> > > >
> > > > Greetings
> > > > J=FCrgen
> > > >
> > > > jessekientz schrieb:
> > > >
> > > > > I  think you could be right, the rockers wore that bad from lac=
k of lubrication and the  dual purpose
> > > > > models can accumulate a lot more miles in a shorter time than t=
he off road ones do and just ran out of
> > > > > oil. How many miles/ kilometers are on the odometer?  Are the c=
am bearings in the head worn very bad?
> > > > > they can be checked with plastiguage plus measuring the the cam=
 journals if they are not visualy scored
> > > > > real bad.  If the bore and piston clearance are out of toleranc=
e that is why  it probably ran out of oil.
> > > > > Any more questions please feel free to contact me.
> > > > >
> > > > > regards Jesse
> > > > >
> > > > > J=FCrgen Seeger wrote:
> > > > >
> > > > > > Hi Jesse,
> > > > > >
> > > > > > the teeth of the oil pump gear are ok, and the pin through th=
e axle of the oil pump
> > > > > > is ok too. Is there any special thing to check? May be, the l=
ubrication problem
> > > > > > was "not enough oil"?
> > > > > >
> > > > > > J=FCrgen
> > > > > >
> > > > > > jessekientz schrieb:
> > > > > >
> > > > > > > Hi Jurgen, I believe that the excessive wear on the rockera=
rms and cam was from a lack of
> > > > > > > lubrication which causes quick wear to these parts resultin=
g in the excessive clearances. I would
> > > > > > > check inside the clutch cover where the oil pump gear is an=
d make sure it is ok.  any more questions
> > > > > > > please contact me. I would recommend getting a Suzuki shop =
manual to guide you, the factory one .
> > > > > > >
> > > > > > > regards Jesse
> > > > > > >
> > > > > > > J=FCrgen Seeger wrote:
> > > > > > >
> > > > > > > > Hi Jesse,
> > > > > > > > thanks for your detailed advice. One question: don't you =
think it may be possible
> > > > > > > > that the very high valve clearence, about three times tha=
n max. allowed, has
> > > > > > > > caused the damages on the cam and the rocker arm?
> > > > > > > >
> > > > > > > > J=FCrgen
> > > > > > > >
> > > > > > > > jessekientz schrieb:
> > > > > > > >
> > > > > > > > > Hi Jurgen,  The third ring is the oil ring and is made =
up of three pieces two thin steel and
> > > > > > > > > one segmented section the thin ones are removed first a=
nd then the segmented one how ever you
> > > > > > > > > should measure the piston and cylinder bore to determin=
e the clearance it should be less than.
> > > > > > > > > .120mm or.0047", The bore should be checked at the top =
middle and bottom at a front to back
> > > > > > > > > and side to side location. If any location is more than=
 79.075mm or 3.113" the cylinder should
> > > > > > > > > be bored to the next oversize. The cam Should be replac=
ed and the rocker arms should be
> > > > > > > > > hardface welded and reground or replaced with new. It s=
ound s like it has been run without oil
> > > > > > > > > or the oil pump has failed for some reason the clutch c=
over should be removed to check the oil
> > > > > > > > > pump drive gear train.  If you have more questions plea=
se feel free to contact me.
> > > > > > > > >
> > > > > > > > > Regards  Jesse
> > > > > > > > >
> > > > > > > > > J=FCrgen Seeger wrote:
> > > > > > > > >
> > > > > > > > > > I've had a closer look to my DR 350 SE, which I've bo=
ught four weeks ago
> > > > > > > > > >
> > > > > > > > > > with the hint of the seller "damage in the cylinder h=
ad, I think".
> > > > > > > > > > Actually
> > > > > > > > > > it was very noisy.
> > > > > > > > > >
> > > > > > > > > > One reason for the was a valve clearance of around 0,=
4mm, another was a
> > > > > > > > > > damaged
> > > > > > > > > > surface of the exhaust cam, the same with the rocking=
 arm. Because I had
> > > > > > > > > > open
> > > > > > > > > > the motor already, I went further and had a look to t=
he piston. Looks
> > > > > > > > > > ok,
> > > > > > > > > > but, and thats my question:
> > > > > > > > > >
> > > > > > > > > > The third piston ring is not easily moveable in his s=
lot, and I can't
> > > > > > > > > > see were
> > > > > > > > > > this ring is open. The other rings are. Is this norma=
l, or is this
> > > > > > > > > > irregular?
> > > > > > > > > >
> > > > > > > > > > J=FCrgen
> > > > > > > > > >
> > > > > > > > > > PS: please excuse my bad English regarding mechanical=
 vocabulary, can't
> > > > > > > > > > find my dictionary of Technical English ....
> > > > > > > > > >
> > > > > > > > > > Support Dual Sport News with your subscription http:/=
/www.geocities.com/~klrdsn/page2.html
> > > > > > > > > > Visit the dr350 archives at http://www.listquest.com/=
lq/search.html?ln=3D350
> > > > > > > > > > Unsubscribe by sending a message to majordomo@lists.x=
mission.com
> > > > > > > > > > Leave subject blank, message is unsubscribe dr350 (or=
 dr350-digest).

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End of dr350-digest V1 #194
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