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Author Topic: my zx50 issues  (Read 108370 times)

thebatman

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Re: my zx50 issues
« Reply #255 on: May 14, 2010, 03:15:03 AM »
 :o   :o   :o   :o  ....zombie, your kidding right, whered you go to convert??  dude, ive never even heard that from ANYWHERE.. was told once 120 for compression... mine dont have NOWHERE NEAR THAT but will start on first kick, runs good, (besides you all saying its lean )...
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wordslinger

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Re: my zx50 issues
« Reply #256 on: May 14, 2010, 03:16:45 AM »
...google "metric conversion"....
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Shaka

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Re: my zx50 issues
« Reply #257 on: May 14, 2010, 03:20:28 AM »
Quote from: thebatman on May 14, 2010, 02:25:23 AM
ok, just looked at plugs.. are you talking about a ring shape thats IN BETWEEN ceramic portion and steel "case"/"body"?? looking straight down into plug!...       if so, then the wot plug was a tan  ish color........ the 1/4 plug was black...

Yes, but it will be up on the ceramic a few mm from the very base.  You should see a distinctive ring about 2mm wide.  It should stand out against the white porcelain of a new plug.
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Shaka

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Re: my zx50 issues
« Reply #258 on: May 14, 2010, 03:27:19 AM »
Quote from: zombie on May 14, 2010, 02:57:14 AM
The conversion shows 163.5 PSI. so you were good when that 11.5 reading was taken. I would strongly suggest going up 1 jet size from whatever is in there now. There are tiny #'s stamped into the jet. If yours doesn't have them, you can bring it to your local guy to have him measure it for you. A little xtra fuel is better than too little

He was saying the manual states the good compression number at 11.5, not that he had 11.5.  I think the manual may be wrong with that anyways because I've never seen an engine with 165 psi of compression.  I just know anything below 100 psi and it won't usually want to combust the fuel.  120 psi seems to be a good health engine. 
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zombie

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Re: my zx50 issues
« Reply #259 on: May 14, 2010, 03:28:51 AM »
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Shaka

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Re: my zx50 issues
« Reply #260 on: May 14, 2010, 03:32:54 AM »
That looks useful!  I'll check that out later.
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zombie

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Re: my zx50 issues
« Reply #261 on: May 14, 2010, 03:37:41 AM »
I wouldn't last a second here w/ all these foreigners talking all that mmmm ccctm jibberish w/ out that program. Just kidding guys, I like some foreigners... Just not that one guy!
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thebatman

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Re: my zx50 issues
« Reply #262 on: May 14, 2010, 03:38:12 AM »
ok then...can anybody tell me why i have NEVER had more than 75psi from ANY tester??????    even last night, 75psi , will start first kick today.. runs good....top speed hit 52!!!   avg 46-48....how then? you just killed everything i been going by....lmao.....NEVER more than 75psi
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wordslinger

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Re: my zx50 issues
« Reply #263 on: May 14, 2010, 03:40:32 AM »
... Just not that one guy!


..mm..ain't from around here izzhe....
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Shaka

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Re: my zx50 issues
« Reply #264 on: May 14, 2010, 03:41:50 AM »
Idk!  Your tester may be suspect, possible head gasket leak?
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thebatman

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Re: my zx50 issues
« Reply #265 on: May 14, 2010, 04:01:39 AM »
mine came from harbor freight just like yours....the other was a nice one...lmao     chinesse scoots suck, BUT we go to harbor freight and buy chinesse....RLMFAO....  a shop even done this last set, i did first ones...lol... hell, needing that much compression, 75 wouldnt even start it, would it, much less good?????
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sidthesloth

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Re: my zx50 issues
« Reply #266 on: May 14, 2010, 04:05:15 AM »
Not from 'round here. I'm ok with feet and inches (cant walk without em) but when you get down to thou. I'm cactus.
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ZX50, 47mm cyl. kit, TZR50 CDI. Michelin Pilot Sport tyres,
Next performance mod; pumping the tyres up.

zombie

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Re: my zx50 issues
« Reply #267 on: May 14, 2010, 04:05:35 AM »
That guy moved, 75 is way low. 120 is the number for a new set up. if you turn your engine by hand it should not lose compression thru the stroke. if I turn mine it gets harder as the piston gets higher. check yours
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thebatman

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Re: my zx50 issues
« Reply #268 on: May 14, 2010, 04:06:15 AM »
hey shaka, i think i found it... i looked again, the wot plug ring was a beige     ish color    the 1/4 was a darker charcoal    ish color
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zombie

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Re: my zx50 issues
« Reply #269 on: May 14, 2010, 04:07:33 AM »
mm are easier to convert for our stuff.
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