MOPED ARMY

I have 2 good gaskets, but they still leak.....I was going to try decking the head and cylinder again, but wanted to know how many people are successfully running without the gasket.

after and before

its on my alukit e50

do you guys measure your squish clearance? i havnt yet but from what ive read .8mm is good?is that right? what happens if you get to closer than that? or is as close as you can get with out the piston hitting the best?

ah.....well, im giving the gasket one more chance--found out i soft seized it today but didnt notice. polised the crap out of the surfaces using glass/wet sand so i hope it works out...i'll know in 15 mins.

thank you for all the help!

I didn't then I had a head leak so now I do. I'm sure if I were to follow Tom's advice, I would be leaking, but I didn't and I did, so now I run a gasket and don't leak.

I feel like this is a dumb question, but are you using copper rtv for a head gasket?

you are probably fucking up the decking. hopefully you haven't fucked with your cylinder. you could either have it machined, deck it correctly, or slobber some goo in there.

either that or one of your studs is stripped out or you aren't torquing the head nuts correctly.

I am properly decking the surfaces--this isn't my first rodeo.

Torque sequence is correct--all bolts are torqued properly.

I think it is a warped cylinder...Ever since I put it on, I've had a tiny airleak around the head and possibly the exhaust. I will triple check the decking, re-set the exhaust and clean the head gasket/try without if that fails.

Thanks for all the input!

Yea...I used a tsquare as a flat edge to check, but it was getting late. I'm going to spend some time after class decking everything again and quadruple checking. It's amazing how fast this set-up is even WITH an airleak compared to the Airsal.

eric the copper rtv doesn't say what not to use it on and it works great on head gaskets and exhuast, don't use it on the intake gaskets r better.

the orange rtv, red rtv, black rtv etc all say not for use around gas but not the copper one.

also works wonders i never get head leaks. but don't use it for other gaskets cuz they will leak

that warning is for 4-stroke heads. all goo is fine. i agree with elliot anyhow. copper rtv on my head 4 lyfe.

Well....the leak was temporarily fixed using copper spray, but that got eaten through and I am now stranded quite some distance from my house. I think the jug is warped pretty bad.....I don't know. I'm stuck and I'm pissed.

Alright--I'm about to really deck my head/jug (.004").

Anyone have any input before I start to tear this fucker apart? I've got the blood rage behind my eyes and I won't stop until I destroy this thing, or get it tight without any leaks.

The head is the 70cc HC from treats, previously used on an Airsal kit (which was also decked properly). I go to about 13-15 ft/lbs, in a cross-pattern 1/4 turn at a time. I am using bolts, not studs (ran this set-up previously on the Airsal--no issues at all). I think it is the jug: only because the jug is the only thing that changed from the previous set-up.

I read many times about Polini jug warpage...I was hoping mine was not.