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RotaxEngines-List Digest: 91X Spark Plug Hole Thread Repair

 
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mctrader(at)bigpond.net.a
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PostPosted: Thu Mar 30, 2006 1:57 pm    Post subject: RotaxEngines-List Digest: 91X Spark Plug Hole Thread Repair Reply with quote

Wow - Thousand US$ for a cylinder head.....
Given that there are many motorcycle and alloy car heads running around with
inserts, my suggestion would be to take the head to a reputable cylinder
head reconditioner and ask for advice. Do not mention that it is for
aircraft use, but you will get a feel for how reliable it may be from the
experts. Tell them it is for a marine engine that will be operating in the
Arctic, hundreds of miles from anywhere and it has to be VERY reliable !
Cheers
Martin in Oz

Today's Message Index:
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1. 07:46 PM - 91X Spark Plug Hole Thread Repair (Horizonspace(at)aol.com)

From: Horizonspace(at)aol.com
Subject: 91X Spark Plug Hole Thread Repair

Has anyone ever had the spark plug hole thread repaired in a 912 or 914
head? What has been your experience? Which is better? Heli-Coil or
Timesert?

I know that Rotax recommends replacing heads with spark plug hole thread
damage but at over 1000 USD a head there has to be another solution.


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piercetonypeggy(at)mail.u
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PostPosted: Thu Mar 30, 2006 3:26 pm    Post subject: RotaxEngines-List Digest: 91X Spark Plug Hole Thread Repair Reply with quote

I believe Rotax engines are used in production snowmobiles...

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