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Cheers for you input but I have eliminated both of those scenarios. I think maybe the head is cracked somewhere where oil can get to the exuast port flang. It is the first one I have seen do this, just bad luck i guess. Ran it for an hours riding today still flys, took the pipe off after and...

Cheers mate but is definatley not leaking from the valve cover i sealed it good during rebuild. Thanks anyway.

G'day all, I recently did a port job on my yx klx style head on pitsterx4 160. First thoughts after first ride were unreal its flying pulling harder all through the rev range. I only got about half hours riding at home before packing up the bike to drive to lake's for the race last weekend...

Nice one brad You are becoming a legend of the mini mx scene, well done mate. See ya at round 1 ride on DD

External mate.

Replace the stator Hey mate it sounds like you bike has a fualty stator magneto. It is not producing spark all the time that is why you bike is coughing and splutter it is flooding from no spark. Good luck with it.

Hi mate that beast should hual your ass no worries. I hope that thing brings you lots of joy mate. Does it have the same tranny as the Z55 or is it same ratio's as YX160 which are a bit taller than the Z's. Ride on man.

Good news Is that on lakes jnr or senior track. Can't wait.

Rusty promotions is planning plenty of races in NSW this year first one in march so I am told. Mini sx frankston is also in march and 2nd round at shepedon BMX tracks. I hope they lets us know for sure soon. with no 50's brotherhood mag they need to tell us here. Ride on DD

Does the push button Decomp work well? Just wondering how well the TB decomp button works. Is it worth the money. Dafunk does the taki head have a decomp cam or not. is you bike easy to start? Do you still use the stock 5 plate clutch? If yes, has the 180cc broken any clutch baskets. Ride on

Hey bro's I thought tech talk is a bit stale lately so I thought I try to find out what some of you guys are doinging with you YX motors. I know of all the options out there but my 150 and 160 are still stock and running great after 12 months flogging riding. I have replaced the clutch and...

The Bucci looks like a nice stiff frame. Ken from DHZ brought in a vinco roller very nice to but they could not get it to handle as well as the LXR so casey chose to ride the pitster lxr. Ride on

If you get Medina let me know how it goes. Hey mate. Did you know if you can make the single pivot XR4 work alot better with a shock rebuild to suit your weight and having the wright spring weight for you is also a must for best performance. You can make the DNM work amazing by using sombody...

Nice one mate. Hey man how's goi'n. Hope you are mobile again. I'll be there of course. Thailand is ripping. Peace ride on Durant

Good luck all and get your ass's to the race. I am in Thailand holidaying till the 8thotherwise I would be there for sure. Ride on Durant.

G'day all. Can someone tell me for sure when the next Kurri Kurri race is on. Is it jun or July? Where can I get an entry form? Ride on DD

Akunar Gday mate. I built one of these motors with an akunar A1 7mm lift cam and high comp piston, it still flys 2 years later. I friend owns this bike now. I have a couple of a1 cams left if you need one pm me. cheers dd

I hope there are more of these races. Great to see some pitbike racing in NSW. I just can't make it to this one from Jindabyne but would like to know when the next one is and if Macarthur park will have some pitbike races also this year? Ride on.

Bugger I just sent him an email, lets hope they reply. I just email akunar as well. There tech man is pretty on it. I am hoping they can find me some other gears that will work fine for my worked 150. It seem to have a good shift drum it just brakes 2nd gear twice now within 10hours riding. I...

The old XR75 must be a great engine. I had one myself in the 80's. It was a worked motor in a a Yamaha YZ80H frame. My dad sold it a few years back just before I got into pitbikes. I wish I still had that bike to play with, although we blew up the top end a few times trying to get more speed...