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Author Topic: Yamaha YZ 125 2005 cylinder und and head  (Read 3117 times)

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Offline dijaydave

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Yamaha YZ 125 2005 cylinder und and head
« on: March 03, 2013, 06:24:28 PM »
Hi Guys!

Can someone please help me out with this?

I have a 2005 Yamaha YZ 125 and i would like to know if the cylinder and the head fit together and do they fit on a 2005 model?
What makes me think about this, is that the cylinder and the head cooling holes didn't match together. Is this normal to increase more preasure or is it just the wrong cylinder or head for my 2005 YZ?

Cylinder and head come with the bike but were never installed since I owned it.
The bike runs with a 144 so unfortunately i can't compare the parts...


http://imageshack.us/photo/my-images/706/img2652ah.jpg/
http://imageshack.us/photo/my-images/547/img2659q.jpg/
http://imageshack.us/photo/my-images/560/img2660mb.jpg/
http://imageshack.us/photo/my-images/268/img2662az.jpg/

Thx!

David
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline eprovenzano

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Yamaha YZ 125 2005 cylinder und and head
« Reply #1 on: March 03, 2013, 08:21:27 PM »
To my untrained eye, something is definitely off there.  Can you find a part number on the cylinder and hear and cross reference it against a microfiche?
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Eric Provenzano
2019 KTM 300 XCW TPI
2000 KTM 300 EXC (Son's)
2001 KTM 380 EXC
Sold 1991 KDX 200... fun play bike
Sold 1999 KX250
Sold 1999 YZ125 (son's)
Sold 2001 Yamaha TTL 125 (son's 1st bike)
Sold but never forgotten 1974 Honda Elsinore CR250M
Sold 1974 Honda Elsinore CR125

Offline dijaydave

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Yamaha YZ 125 2005 cylinder und and head
« Reply #2 on: March 04, 2013, 08:48:16 PM »
Hi eprovenzano,

Unfortunately i have no part numbers on it. The only number on the cylinder is Y-1 1C300 and on the head F-1 1C3.
:-(
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Simon228

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Yamaha YZ 125 2005 cylinder und and head
« Reply #3 on: March 05, 2013, 07:02:55 AM »
Hi mate all the yz heads are like that the cooling holes never match up, I don't know why they just don't. For the 2005 i believe the heads are marked F1 and the 2006 onwards are marked F2
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Simon228

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Yamaha YZ 125 2005 cylinder und and head
« Reply #4 on: March 05, 2013, 07:07:00 AM »
Here's a picture of my 2008 heads before they went off for repair, notice the coolant hole don't match up completely

« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline dijaydave

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Yamaha YZ 125 2005 cylinder und and head
« Reply #5 on: March 05, 2013, 09:20:34 PM »
Hey Simon!
Thank you very much! This is exactly what i needed :-)
To me, I don't understand why the holes didn't match up.
I can only imagine that it has something to do with increasing pressure or something like that...
Anyway your head and cylinder looks like mine and your bike is running. So it's a good sign for me :-)

Thanks for your help!
 
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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