confusion on bore size

[scooke]

i have put many questions on here for my tzr 125 and have had many many good responces so yet again i am turning to you guys. i have the early 1990 tzr 125 but i am unsure on the standard bore size for this model could anyone help me? many thanks scott
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hay guys i think this is right lol...

[MaybeGuy]

56.4mm
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!!
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith

[scooke]

thank you so much because i need a new barrel and there is one on ebay that is 57mm and in good condition so i need to know what size piston head to buy thanks scott
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hay guys i think this is right lol...

[MaybeGuy]

+0.5 piston then.
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!!
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith

[scooke]

you sir are a star thanks for the information i will tell you how it goes haha. scott
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hay guys i think this is right lol...

[0ddball]

Having looked at the ad and seen that it's 2nd hand, you want to be sure how they have actually measured it. I get the impression they have just roughly measured with a ruler. You need an accurate measurement before buying oversized anything.
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ZXR750L

[scooke]

i see where your coming from if i do get it ill take it to a friends garage and get it measured properly so like you said to get the correct size head. thanks scott
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hay guys i think this is right lol...