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head id please

Started by _hkbathurst_ , Aug 21 2006 05:37 PM

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5 replies to this topic

#1 _hkbathurst_

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Posted 21 August 2006 - 05:37 PM

Ive got a yella terra head and i would like to know what it was off any help would be appreciatted the casting no is 7429461 cheers in advance :spoton:

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#2 _hkbathurst_

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Posted 22 August 2006 - 10:58 PM

Does any one know is there a list of castings and what they came off ? :<_<:

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#3 makka

A m��se once bit my sister

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Posted 23 August 2006 - 04:00 PM

Dr Terry is your best bet, either wait for him to come on or send him a PM.

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#4 Dr Terry

Technical + Numbers Guru + Moderator

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Posted 23 August 2006 - 09:39 PM

Hi Guys.

That head casting number was used on HD 179 & HR 186 engines.

It has the normal open combustion chamber, adjustable rocker gear & the older style large hex spark plugs.

Dr Terry.

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#5 _[BOTTLEDUP]_

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Posted 24 August 2006 - 02:54 AM

I'll mention again for the record that Yella Terra heads have NO ID markings (casting numbers, stamped numbers etc) part from the later alloy heads. The only way to ID them is by the YT valves fitted (in most cases) or by the minor portwork and chamber reprofiling.