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does anyone know the proper valve clearance for a YX 160cc?

Even when new and unmodified, some good quality engines do this. As long as the bike runs fine (mixture correct), this has got do to with good and high compression. It should be no cause for alarm. I've only been able to see this on a Zhongshen engine so far. However, there may be other...

Good to hear you're back to riding! If its not the filter as Power Man has suggested, I'd suspect the mixture. Now watch that leg!

Thanks sixeven. Good of you to return to this thread and share the added info which is actually quite extensive! This now clearly tells me that the 26mm I currently have is not the 26mm I prefer to have. One thing I'd like to add is so far, I've seen more than 3 different brand names for...

Yes, I believe so. The engines got more punch throughout the range. It didnt change the power band curve but it felt like its more packed with a little more power throughout due to what I imagine is a more positive spark. With a good CDI, I'd expect a shift in power band and more torque at...

I'd like to add something I found quite interesting about this rev limiter thing. It has been mentioned once in one of the threads that the Chinese CDI does not have a rev limiter. At that time, I quietly doubted the claim pending further research but I now fully agree that I wish I could find...

Yes, I agree although I want to be careful in what I say as i've never tried that one out yet. My agreement is based on what I've read in comments/reviews about that CDI. What seems to be worth spending your money on are the Kitaco, Takegawa or ADA brand CDI's (not in their order of...

Thats right. But just out of curiosity, what sort of prob do you have? I'll be glad to look into it.

jamie 1221: The carb on ebay is the 26mm we use. I believe you can continue with your interest in it. sixeven, now I understand what you mean by "looking at it is easy". Indeed it looks very different except that there seems to be a mixup between the VM22 you claim it is and the carb that we...

what i have is the same as the photo and mine has circular bore (both manifold and air filter side) that becomes an oval inside. i'd expect all of them would be oval due to the shape of the cutaway barrel. i may be wrong though. i havent seen, nor did i know there's a different 26mm pitty's use...

I would think this guy really wanted to have "manufacturer" as his username. Well, he got it close enough. Now manufactorier, i dont mean to criticize your spoken or written skills as im quite sure you have other skills I may not be thoroughly good at either. Except that, as pointed out in...

I actually like it too. This is being offered in 3 tire size combination versions as far as I know. This would be the 14"/17" version, which I like best. The 16"/19" seems overkill and the 12"/14" looks...horrible. As I do not do much jumping, mainly street and occassional trail, I'm...

i dont think anyone's done that yet, or at least left it on after trying it. we'll probably be able to get it to run but it'll be difficult to tune. and once tuned, i think it'll be too big that we'll be low on torque but ok for top end. and that's if we're able to rev it up quickly enough to...

Not available here........ Besides, like I said, I've got the connectors and whats a few minutes of work?

I need help from anyone who's got a pigtail to connect a Kitaco/ADA/Takegawa CDI into a Chinese-made bike. My bike wiring has the 5-pin, squarish female socket. I have the matching 5-pin, male socket and the 2 connectors to fit into a Takegawa/Kitaco/ADA type CDI. What I'd like to do...

What an interesting thread this. I have what I understand is a brandless standard bike. Came with a 110cc on a steel frame, its got aluminum rims and swingarm. Nicely built though. So far, here's what's been done: -Ported and polished in/ex ports -Match ported intake manifold. Cut, extended...

Before I introduce my professional line, I'd like to comment on all the kids who've introduced themselves who are still in school with part-time jobs. I have a great sense of admiration for ALL you guys and as I get more understanding about who does what surely makes for a better community among...

Damn, the clip with the 2 riders over the bridge! Hahahahaha! Poor white VW there!

Boy, was I glad it wasnt one of those look-into-your-monitor-and-turn-up-the-volume kinda stuff! lol

Whoa!!!!! My beloved el-cheapo suddenly started looking like an MSO! :p