Author Topic: cylinder head  (Read 63 times)

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Offline RcZen

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cylinder head
« on: February 13, 2016, 01:42:30 am »
Hay guy!
My questions is about a cylinder head that I got here which has scratches and lean seize mark along the cylinder wall. The cylinder has nikasil coating will I be able to polish it back with emory cloth and install new piston and ring? can nikasil coated cylinders be brought back to life or once they scratched or groved they are stuffed? thank you guys! if you all need pics I can get em for ya!

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Offline 660magnum

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Re: cylinder head
« Reply #1 on: February 13, 2016, 07:32:49 am »
If you can feel your finger nail in the groove it is likely too deep
We should share what we know... someone may learn...
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Offline RcZen

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Re: cylinder head
« Reply #2 on: February 13, 2016, 09:57:15 am »
cool! yeah its had a lean seize where the piston was pretty much welded to the head lol. did a bit of reaserch and apparently if nikasil coated then you cant realy do much to it.

Offline 660magnum

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Re: cylinder head
« Reply #3 on: February 13, 2016, 10:11:40 am »
It's cheaper to buy new than even to re-chrome a cylinder
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline sharkey

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Re: cylinder head
« Reply #4 on: February 13, 2016, 11:05:35 am »
Where it matters is on the cylinder wall above the ports.  If there are marks at the bottom of the cylinder or on the piston skirt, you can replace the piston and get right back to work.   

 

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