12-24-2017, 08:22 PM | #1 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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Hawk head gasket
So I’m replacing my head gaskets and I took off the cylinder head no problem but I’m not sure how to remove the block is it just two bolts on the left side holds no it on? Also when I removed the cylinder head there’s these round washer type things going over the bolts. I only had 3 on and only one has a rubber seal do I need these? Is there supposed to be 4 on all bolts ? Also my gasketwhere the muffler attaches to the clamp it fell apart when I removed the muffler how do I replace it if it does need replacing at all. Thanks
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12-24-2017, 10:37 PM | #2 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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12-24-2017, 10:56 PM | #3 | |
Join Date: Jun 2011
Posts: 1,335
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12-25-2017, 12:09 PM | #4 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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So on therps.net i found it it’s #6 o-ring on cylinder head. This picture shows 1 exactly where my one is at the other two hawk pins don’t have it on my bike. Do I need to order these 2 missing o-rings or can I get away with not putting them on? On the Honda 125 service Manuel it shows part #16 and it says 3 off. I’m afraid mine might of fell in the cylinder block, I’ve searched everywhere and can’t find the two missing. I’ve found some motorcycle forums where they do not use the o-rings. I want to put my bike back together today I’m just nervous it’ll leak oil real bad without the two O-rings.
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12-25-2017, 02:17 PM | #6 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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The O-Ring that Silva points out is the only one necessary between the jug and the head. That is the bolt hole where oil flows up to the valve cover to supply oil to the valves. The others are just alignment dowels. Keep in mind that these engines are based off of he CG125 Honda design, but do indeed have some small changes of their own.
Like Silva also mentions, I would leave the Crankcase to Cylinder gasket alone unless it was also leaking. You can replace it if you want to, but make sure you have a ring compressor handy before you do so.
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12-25-2017, 02:18 PM | #7 |
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I agree , if it ain't broke don't fix it.
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