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30 May 2011
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Join Date: Sep 2008
Location: Canada
Posts: 84
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XT600E Smoking/Low Compression/Oil Consumption.
I'd like to get some troubleshooting advice on my 99 XT600E, last fall it started smoking like crazy on
start up, white smoke, started up about the same as usual which is to say not immediately but
always reliably, except of course in spring when it takes a bit more coaxing, power seems to be the
same as when I bought it 3 years ago, it's got 60.000 + km on the odo. at about the same time as the
smoking appeared it started using oil like gasoline, would use a whole litre in 2 to 3 hours. I've done
a compression check it's got 55lbs :-(
So I'm wondering, is it time for a top end or could the lack of compression be caused by tight
valves ? can that also lead to oil consumption ?
I could also use some help with general specs, since my bike is a 99 and XT600's were not
imported to north america after 95 I don't have access to the usual manuals. I'm looking for valve
adjustment procedure and specs, top end torque values, stuff not to forget relating to gaskets/O
rings/seals etc, and any tips or advice would be greatly appreciated.
Thanks guys.
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30 May 2011
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Registered Users
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Join Date: Mar 2008
Location: Back in Melb
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Rings ?
The valves are work checking for sure but it sounds like worn piston rings to me.
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30 May 2011
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Hi ,just read the specs for the compression and your is way too low.It should be about 156 psi at sea level so yours is way down.You can pour a little oil into the cylinder and recheck the pressure.If it gets better its your rings.
You should be able to download a service manual from the net somewhere. I,m sure someone will post you a link soon.
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30 May 2011
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Join Date: Oct 2009
Location: Derbyshire, England
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XT600 service manual
Quote:
Originally Posted by kenymact
Hi ,just read the specs for the compression and your is way too low.It should be about 156 psi at sea level so yours is way down.You can pour a little oil into the cylinder and recheck the pressure.If it gets better its your rings.
You should be able to download a service manual from the net somewhere. I,m sure someone will post you a link soon.
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Try these!
http://www.horizonsunlimited.com/hub...download-32180
Dan
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30 May 2011
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Join Date: Jul 2005
Location: Wirral, England.
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Valves don't burn oil THAT fast... It certainly looks like ring/cylinder..
Of course, check the bike for leaks elsewhere too and especially the head gasket. It should be pretty obvious if you're losing that much.
Time to get that engine out, open your manual and get the kettle on !!
It's not that big of a job. Rings should cost about £25, gaskets £25..
Have the bore measured up to see if you need oversize rings. If not, get it honed anyway. XT's don't have a nikisil bore as far as I remember.
Btw, tight valves woudn't cause you to burn oil although these should be check as a matter of routine anyway. Also an easy job on the XT.
__________________
Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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31 May 2011
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