which way to install this piston

[chamjisky]

hi
i have a honda 70 clone .. its stock size is 88cc .. with stroke 49.5 and bore of 47.5mm ..


i have replaced its cylinder with 107cc which has bore of 52.4mm ..
i have found a piston that is 100 % like this one
http://www.tkrj.co.jp/goods/m-AK0100X--1218.php

but its dia is smaller like 52.4 approx..

after looking at the pics can someone tell me which side is to be placed at the inlet side ?

should the side to which arrow is pointing be kept towards the exhaust ?
thanks

 

[styler_-_tyler]

i dont have a lot of expierience with bikes but i'd advise just to play around with it
tyler

 

[zwebx]

The arrow is usually pointed to exhaust side and the valve cutout should be larger on the other side put up some pictures for me

 

[DHZ_XR8cing]

there should be 2 semi circle shapes on the piston. the biggest 1 goes up towards the carbie

 

[nickv1980]

Just match up the valve head size to the piston reliefs and that should mean the arrow faces the exhaust bam done !

Sent from my HTC_PN071 using Tapatalk 4 Beta

 

[chamjisky]

thanks my issue solved .