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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Spark plug thread helicoil
Post Info TOPIC: Spark plug thread helicoil
Brighton Brad


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Spark plug thread helicoil
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Hello chaps, I've looked everywhere here and can't find the link for the helicoil kit for the spark plug thread replacement, can you help please? Thanks chaps.



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Cubber


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There are other options to Helicoil but there doesn't appear to be any details of any for a TTR in these pages.

However, if you have a look HERE then you will find many options.

Good luck.

Martyn

 



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Brighton Brad


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Thanks Martyn, I was sure Briqn had a little here link to a kit on eBay, which I had previously saved on eBay ,but has since disappeared!!! Hey ho thanks for the link tho, Brad

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TTRfan


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I spent a while searching Brad but didn't find anything - sorry cry



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mossproof


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I recently had one of these fitted in a Serow head by a local engineering shop Daves Engine Centre in Redditch (a bit far from Brighton?) They're a bit more sturdy than a helicoil, but not such a DIY fit.
(PS Not necessarily this size, I just did a google of the insert to give you an idea)

www.engineering-supplies.com/product/13985/z-m14x1-25-solid-insert-spark-plug-thread-repair-insert-length-9-5mm-pack-of-10-/

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JOHNYBOY


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helicoils are dated now best option is to use a timesert

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petenz


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I have taped a 12mm plug to 14mm...use a NGK  B series plug instead of a D series..

 

.



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ttboof


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petenz wrote:

I have taped a 12mm plug to 14mm...use a NGK  B series plug instead of a D series..

 

.

 Good idea new thread with a bigger contact area would work well 

I use a bit of antisieze on my plug and careful not to over tighten 



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Brighton Brad


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Cheers chaps, l asked my local bike guys, K.C. motorcycles, Portslade and they directed me to a local chap, Brian! Lovely chap, with a workshop in his garden. He did a lovely job of it. I've now just received all the gaskets etc from Steve and am going to start building it up now. Fingers crossed, Brad

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ttr steve


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Good work.

Keep us updatedsmile

 



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Fat Leopard


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+1 on the Timeserts - absolutely the way to go for thread repair in aluminum

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mossproof


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This is a clever idea, if the thread's not gone too far:

www.demon-tweeks.com/uk/sealey-reverse-action-spark-plug-thread-chaser-344609/

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