bore

Here are some picture's of a few common pit bike carby's These are posted here for a reference to help identify your carby Keihin china copy, Sheng-Way, Jing-Ke PZ16 (16mm), PZ19 (19mm), PZ20 (20mm). PZ21 (21mm) Round bore Carb, ideal for 50cc, 70cc, 90cc, 110cc engine's...

So i had my bike sitting for YEARS!!!! Just Got it running but only runs on reserve and choke open all the way , i was told it may need a filter thats in the gas tank. I know little of these bikes as you can tell . I just got a 143cc big bore kit and have no idea where to start . If you guys...

hey guys I have 2 x 110cc quads coming. Just wonder if anyone knows of a bore kit to suit at all? Anyone had an experience with modding a 110cc??

i don't know how many of you saw the Braaap Pro 190 i linked for sale on the Ebay / Gumtree Bargains thread but it was sold fairly quick.... Guess who's the new owner ? some pics to follow...

ITEM: v2 head, 188cc big bore and pro circuit exhaust CONDITION: used but excellent condition REASON FOR SELLING: no longer needed PRICE AND CONDITIONS: $500 or $600 with 28mm oko flat slide carby and race cdi EXTRA INFO: <insert text here> LOCATION: hobart tasmania will post aus...

Not sure if I got the right area or not, apologies if I haven't. Wife finally convinced her parents to give us her old bike from when she was a kid. It's an old 1974 Yamaha GT80. Not running. Know there's a piston issue and one of the bolts holding the carby (I think{it's the part over the...

Hi guys, I think this is in the right section, please excuse if it's not. I'm still learning the ropes and I wasn't sure if this amount of scoring is something to be worried about? I'm kinda getting the worst of it in these pics, everywhere else seems quite nice in comparison. the crap...

My bikes been blowing heaps of smoke and by a process of elimination ive put it down to piston rings. Is it possible to change to a 165 big bore kit without changing the head? is this a good or bad idea? Ive spent days and hours reading tutorials on miniriders.com and it seems too easy to...

Hey guys, I am looking at buying a yx160 for my bro's build, and also looking at the possibilities of rebuilding it in the future with the spares I have. So in effect my question is: Will a GPX 155z/160ho Head, Cylinder & Piston, fit on a yx160 bottom end? If not, what would I have...

This is just a basic guide (in fact my first 4S build) so don't take this as gospel and please feel free to add bits i may of missed or got wrong... Anyway lets start by pulling down the YX160. Fisrt of all i would prep the new head with the cam, rockers + tappets and arms. Start by fitting...