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Old 12-24-2012, 09:51 AM   #6496
mcma111
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Location: San Francisco,Ca.
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Quote:
Originally Posted by luckyjr View Post
When I bought my 600r the decomp valve was open all the time. The bike had oil contamination and oil consumption due to improper operation. It started easy but ran poorly. I adjusted it and now it runs great and starts just as easily. No more oil consumption. I add about 1 cup of oil between changes. Its a 95 xr600r with a 650 kit.
What the heck are you talking about??? Your 1995 XR600 does not have a decompressor VALVE. It has a manual decompressor that opens the right exhaust valve and the assembly on the cam. Now if your saying the manual lever and cable were out of adjustment and the exhaust valve was open then the engine wouldn't run at all due to the valve releasing the cylinders compression.
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Old 12-24-2012, 10:05 AM   #6497
The Dogger
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Quick question for Steve ,

I've got my top end off : when looking at the head from underneath ( where the valves are ) there is a small pear shaped apperture on the cam chain side............what's it for . and where does it go ? Seems to be directly under the spring loaded compression pin.

Cheers in advance

Stu
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Old 12-24-2012, 10:26 AM   #6498
mcma111
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You mean that little hole at 9' ?? It goes no where. Don't worry about it.

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BMW's
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87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 12-24-2012, 10:40 AM   #6499
The Dogger
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Quote:
Originally Posted by mcma111 View Post
You mean that little hole at 9' ?? It goes no where. Don't worry about it.

That's the one , thanks . I'm glad it's nothing to worry about , as I've just dug a shedload of sand/grit out of it.
The PO had installed a " homemade " air filter arrangement , and there's evidence of sand everywhere. I was worried this might have been an oilway.

I'm thinking of chucking it all in the dishwasher while everyones asleep on Christmas Day

Once again , thanks for your help and great photo's

Cheers , Stu
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Old 12-24-2012, 12:08 PM   #6500
luckyjr
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Quote:
Originally Posted by mcma111 View Post
What the heck are you talking about??? Your 1995 XR600 does not have a decompressor VALVE. It has a manual decompressor that opens the right exhaust valve and the assembly on the cam. Now if your saying the manual lever and cable were out of adjustment and the exhaust valve was open then the engine wouldn't run at all due to the valve releasing the cylinders compression.
Manuel but it operates the exhaust valve.
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Old 12-24-2012, 01:41 PM   #6501
Dino3310
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Kia ora fellas
Meri kirihimete from ateoroa


Merry Christmas
best wishes for your new year

ride hard ride safe
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Old 12-24-2012, 04:13 PM   #6502
elsalvadorklr
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Joined: Nov 2008
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Merry Christmas dudes!!!!!!!!!!

well a happy merry christmas to you all!

big hugs dudes
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Old 12-24-2012, 11:16 PM   #6503
lookfar
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Merry Christmas to All from the Land Down Under.


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Old 12-25-2012, 06:30 AM   #6504
brucifer
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Merry Christmas, gentleman! (and I use that term loosely)
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Old 12-25-2012, 08:32 AM   #6505
2manyrides
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I'll bite on that...

Merry Christmas to all in what I consider to be my main subscribed thread.

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Old 12-25-2012, 03:06 PM   #6506
fiep
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anyone know?
what is the difference between an XR250 CDI and an XR600 CDI?
the plugs are the same, they plug right in
numbers are different

after aggravating me for some time my 86 XR600 finally plopped off
and would no show any sign of live
plugs sparked a time or two, then quit
with the CDI off of my 250 the d..n thing fired right up
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Old 12-25-2012, 03:33 PM   #6507
MentalGuru
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Quote:
Originally Posted by fiep View Post
anyone know?
what is the difference between an XR250 CDI and an XR600 CDI?
the plugs are the same, they plug right in
numbers are different

after aggravating me for some time my 86 XR600 finally plopped off
and would no show any sign of live
plugs sparked a time or two, then quit
with the CDI off of my 250 the d..n thing fired right up


Higher rev limiter and probably the advance curve. It could make more power.
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Old 12-25-2012, 05:03 PM   #6508
T4EaterJonny
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i heard the xr6 doesn't need anymore revs as it doesn't make anymore power up top. I wouldn't do it. Might be more timing than the bike can handle.
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Old 12-25-2012, 05:22 PM   #6509
motomike14
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Location: Florida
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Quote:
Originally Posted by fiep View Post
anyone know?
what is the difference between an XR250 CDI and an XR600 CDI?
the plugs are the same, they plug right in
numbers are different

after aggravating me for some time my 86 XR600 finally plopped off
and would no show any sign of live
plugs sparked a time or two, then quit
with the CDI off of my 250 the d..n thing fired right up
Timing curves will be different. How much, not sure, but will likely be some significant changes.

I would static test your stator first before mixing up CDIs. The CDI in the XR is pretty stout. They are known to puke stators, however, as many can testify too.
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Old 12-25-2012, 05:24 PM   #6510
motomike14
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Here's to a merry christmas! Hope the upcoming year brings forth more great riding for us all.

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