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DT125R Forum -> Tuning -> PISTON QUERY
Post Info TOPIC: PISTON QUERY
carl13671


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PISTON QUERY
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I have bought  a 2003R and today took the head off and on the piston crown it had a H stamped on it.
Does anyone know what this H means or what size piston this means.

Cheers for any help.

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SimsonS51E


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HOT !

rofl.gif



Dunno M8 .... !



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craigbulmer


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IMG_0180.jpg


Not a clue mate, stamped on mine is F? or just looks like it........


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carl13671


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I was thinking HEAD just so you dont try and fit it upside down.

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craigbulmer


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Lmao, but the conrod couldnt go anywhere in the top lmao?

Maybe they are different grades of piston and one of ours are better than the other... maybe? probably not..

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carl13671


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Alright Craig,these letters must mean something,ive googled about a bit but can only find car piston markings.

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craigbulmer


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Yeah they must do mate.. il have a ganders aswell smile.gif

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SimsonS51E


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Surley F   is FRONT ???

and don't call me Shirley



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SimsonS51E


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Surely ... even !

no



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craigbulmer


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Right, so far so good, turns out H is for HOT for a hot bike... and F pistons are for dumb people that dont know what arrows mean :D

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carl13671


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Graig,I think hes a bit bored tonight



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craigbulmer


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Yep haha smile.gif

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SimsonS51E


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Just had a look at mine ...

Sez ..  FH  .... ???

F*cking Hot  ????

wink



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carl13671


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Yep just like i said. Facing Head its so you dont put it upsidedown
nana.gif


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gazzaballs


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normaly the h means the standard size not oversize

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