Yeah it's bad. Never had this much damage before, the only other thing that's close was when a circlip broke on my yd100.
Walmart oil, OK...PLEASE tell me it doesn't also say synthetic on the label too???
I doesnt look like it's stuck in the cylinder at all to me judging by the picture...lol...Its all over kingdom come...lol.
I don't trust them either, never did. I used the stock one because I really don't care if it blew up, I'd just get another one. Didn't expect it to rip itself in half, though. Pretty sure the bottom end is ruined or will need a good cleaning or bearing replaced.
Nope, just supertech 2 cycle oil.
They actually highly recommend and prefer you use either Valvoline 2 cycle Racing Oil, or at the very least, Valvoline 2 cycle multi-purpose oil.
Oh, also I wanted to ask you what bearings you used for your engine, and if I can use the 1/2 drill bit 15mm deep trick on the crank to balance it? Both of my engines starting at 6k rpm vibrated enough to rattle my teeth out. If I get another one I'll build it properly like you did.
I'd also prefer my piston not exploding but I guess we can't alway get what we want.
I do not ever use the circlips they send with these motors, I always use these, (pictured below), that I get at the local light and heavy duty equipment rental store as they always do their own motor work on their machines...I just take the jug with me and they fix me right up with these clips...They refuse to even charge me for them...lol.
Crank bearings I used were FAG C3 spec with a 14k rpm rating (23k with no seals). Any c3 spec quality bearing will do the job.
Funny thing is. My first tank was generic Mag 1 oil from the gas station and after that VP synthetic. They might like a particular brand of oil, but it doesn't make other brands wrong, nor does it being synthetic. s**t parts in = s**t results out.
