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blueboy is right, the break in is pretty much on your cylinder and piston rings only. When you add a big bore kit you start the break-in process again. Which means you should also switch to a break in oil, or crap non synthetic to help break in the rings right. If the shop you are going to doesnt have break in oil you shouldnt go to that shop, just because they know how to put on parts doesnt mean they are a qualified engine builder, be careful
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2012 Jonway X
44mm Hoca crank
52mm Hoca big bore
MMS big valve head raised ports, polished, milled .023
Hoca 26mm carb
NCY titanium valve springs
NOS wet nitrous system
Holley fuel pump
MMS variator
Naraku CDI
HT coil
4' Wheelie bar
MMG stainless slip-on exhaust
NGK "11" spark plug
UNI filter
2014 Icebear Maddog
too much to list
http://mmsscooters.com
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