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HelicopterMain Discussion › G260 engine question
12-01-2005 02:04 AM  12 years agoPost 1
toejab

rrApprentice

Buffalo ,New York area

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hi i was putting some after run oil into my nearly new G260 puh engine as i don't expect to run it any time soon .....and i noticed a fairly deep hole dead center in the top off the piston head. i'd say it is 1/8 wide and 1/8 deep. is this there from the factory or is it posible that the NGK IRIDIUM plug is burnig a hole through the piston. the head is as clean as new. i hope i am just worrying over nothing. anyone know the answer or care to look at there own for me? thanks larry

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12-01-2005 11:58 AM  12 years agoPost 2
crowfly

rrVeteran

Pleasant View, TN U.S.A.

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Does it look kinda' like the hole in this brand new one?

http://www.horizonhobby.com/Shop/By...rodID=ZEN2320RC

or this one?

http://www.horizonhobby.com/Shop/By...?ProdID=ZEN2623

or this one?
http://www.horizonhobby.com/Shop/By...?ProdID=ZEN3818

Boy zenoah sure has got some ugly pistons.
It's a center mark

If God had meant for man to fly, he would have given him more money

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HelicopterMain Discussion › G260 engine question
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