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Post by maslow22 on Apr 21, 2013 14:32:39 GMT -5
this is the wiring of from the engine that was working  There is no green / ground for this wiring, but it was indeed running for almost a year  This is the wiring of the engine I want to get running  it does have a green / ground wire, also its blue&yellow is white&red   This is the CDI box I have been using for a while now and was working fine, I don't think it is the issue just wanted to show that's its hookups are in the right spots  thinking of taking the stator, flywheel and pickup from the working engine and putting them on the one I want to run. Perhaps the stator on the 1p39 has gone bad - but would it produce spark if it was bad? Maybe the stator on the 1p39 is DC not AC? Again, if so would it still be sparking? |
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Post by ʇwiƨtɘdburnout on Apr 22, 2013 3:39:57 GMT -5
1p39QMB= The "p" only means one thing.. It's a Lifan., And it's a great motor. I own the same one and they are the best you can get from CHINA  |
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Post by ʇwiƨtɘdburnout on Apr 22, 2013 3:48:16 GMT -5
It can take a lot of cranking to get a motor going that's been sitting a long time, it takes a good while to prime it.
Not having an electric start will only buy you a headache and a sore ankle right now, Your foot is getting one cranks to a starters 6-8 cranks. Just keep humping on that kick start, It will fire, your just going to have to try about 50 times before it does.
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Post by ʇwiƨtɘdburnout on Apr 22, 2013 4:05:47 GMT -5
If the lights do not go on until cranked up then it is AC., and #75 is way too small by far for a 100cc BBK IMO.
Did you ever tamper with your A/F mix? If it's a CVK Turn that screw all the way in(not too tight) and then back out 1 and 7/8's turn, to get back to factory specs and go from there. Don't adjust it til your done leg cranking that 100 times to start it, lol! and get it nice and warmed up first, a good 10-15 minute ride will do.
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Post by maslow22 on Apr 23, 2013 1:30:50 GMT -5
WooHoo!  Got it running! Thanks for the support twistedburnout! Fixed up my starter motor by loosely following this vid www.youtube.com/watch?v=XgeOJn3jnVUGot a new battery hooked up and when I pushed the ignition switch she turned like a dream. Was trying to fire it with a battery charger but it was only sending out 12v at 6 amps, once i got the new battery in the starter turned over the engine quite quickly. Speeds are a little low but that's my fault for sure, was using 15w40 oil because that all I had lying around and I forgot break in needed different oil, putting in 10w40 non synthetic tomorrow and going to tune the variator and jetting (try the 88 main jet out and see how it goes, 75 is way too lean). Been eyeing this kit www.scooterdynasty.com/carburetormainjetsnarakusizes80-98for50cc4-stroke139qmbscooters.aspx thoughts? looking to get 80-100, cant seem to find one anywhere. |
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Post by ʇwiƨtɘdburnout on Apr 23, 2013 2:36:11 GMT -5
That's awesome! Glad your runnin'  If you have a stock airbox stay with the #75 If you have a UNI or other after market filter, go with an #85 A new fuel line filter wouldn't hurt either  |
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Post by Deleted on Apr 23, 2013 9:58:34 GMT -5
The engine that was in there is a Chinese Suzuki engine not the original engine (or at least the CVT cover says so) www.qingqi.com.cn/en/aboutqingqi.aspxIt is better made than generic 139qmb motors if it is in fact a Qingqi motor. Certainly worth keeping. |
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Post by Deleted on Apr 23, 2013 10:00:56 GMT -5
1p39QMB= The "p" only means one thing.. It's a Lifan., And it's a great motor. I own the same one and they are the best you can get from CHINA Actually the 'P' code is for Horizontal piston travel but they do not always put it on there.  |
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Post by ʇwiƨtɘdburnout on Apr 23, 2013 13:20:49 GMT -5
Actually the 'P' code is for Horizontal piston travel but they do not always put it on there. Lol! I sit corrected? He is right, I apologize. Let me correct myself...The "p" means "basically" only one thing, It's a Lifan! To save myself a drawn out technical response, and to keep from spinning your head  I stated it that way and refrained from taking you to school. Yes that is a great chart that, I have been using it for years, Thanks for posting it. I personally have never seen a 139QMB with a "p" in it that was not a Lifan. I will not draw a conclusion as to what motor you have, simply from a current case cover. Until I see anything otherwise I would say it's a LIfan IMO. If Lifan is not the only one who imprints the optional "p" code, please let me know who else does, so that I may eliminate the chance of making the same mistake in the future. Thanks |
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Post by Deleted on Apr 23, 2013 15:00:49 GMT -5
Actually the 'P' code is for Horizontal piston travel but they do not always put it on there. If Lifan is not the only one who imprints the optional "p" code, please let me know who else does, so that I may eliminate the chance of making the same mistake in the future. Thanks One is: Jiangsu Baodiao CO., LTD. China. Imported by TMEC Power USA Engine code: BD1P39QMB There are others. Lifan is not the only one.  |
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Post by maslow22 on Apr 23, 2013 15:05:25 GMT -5
That was the CVT that was on the used engine my mechanic had put on to replace my blown "P" engine. This guy has a yard full of parts - it could have just been something he slapped on but who knows - in fact, how could I find out the makers of these engines? I'm guessing the "P" is Lifan like twistedburnout suggests - any way to know about the other engine? Other than the CVT that is - I'm 100 percent sure my old mechanic mixed and matched whatever he had available. There is no telling if that is in fact the CVT cover that came stock with the 139qmb I removed, which I will indeed be keeping unmodified as a back up should my bbk encounter problems. At any rate, the Qingqi CVT is on the "P" engine now because I just recently rebuilt the kick staring system on it. It's a nice cover, not pot metal from what I can tell.
in response to one of twistedburnout's earlier posts I am using the after market filter that came with the kit and the #88 jet I had from winterizing my carb - I'm not too sure about the main jet that came with the kit - sent a message to the ebay sell who said it was #85 but it looks the same size as the stock jet that was in the carb. The #88 I got from scrappy and know is the real deal.
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Post by Deleted on Apr 23, 2013 15:14:56 GMT -5
I'm guessing the "P" is Lifan No as I said above the 'P' code is for horizontal engine, Lifan is not the only one that uses it. I have a new factory 72cc BD1P39QMB engine for sale, which is a 'GY6-80' configuration like scrappy sells. $325 plus shipping. |
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Post by 90GTVert on Apr 23, 2013 15:33:01 GMT -5
I agree with 1FASTQMB. P is not only on Lifan engines. I've seen lots of thoughts on the P over the years on forums. Some said P means it's a 44mm bore. Some said P means it has a PAIR system. Now we can add P is for Lifan. So, if you believe them all, having a 1P39QMB means you have a Lifan, 63cc, with a PAIR system... plus the initial coding that it's for horizontal.
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Post by ʇwiƨtɘdburnout on Apr 23, 2013 16:48:09 GMT -5
No sorry, have to disagree here...BD1P39QMB is not the same as 1P39QMB, hence the whole "BD" thing. As I stated previously .... "Lifan" is the "ONLY" Manufacture of engines that I know of, to use that exact stamp. But please show me of another company that does and edify me properly. I am always open to learning, but that can only come form hard evidence and not hearsay |
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Post by Deleted on Apr 23, 2013 20:06:17 GMT -5
No sorry, have to disagree here...BD1P39QMB is not the same as 1P39QMB, hence the whole "BD" thing. As I stated previously .... "Lifan" is the "ONLY" Manufacture of engines that I know of, to use that exact stamp. But please show me of another company that does and edify me properly. I am always open to learning, but that can only come form hard evidence and not hearsay '1P39qmb' is not the same as 'p' and 'p' is what you originally said. Come on man, I am not out to make you wrong but please dont change the story around either. Lifan is not the only company that uses the P code. Are they the only ones to use '1p39qmb'? Given the consistency of chinese scooter parts, I doubt it but sure its possible. |
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