That looks super clean rj. Those motors are bullet proof.
My old GY2 (2006) never broke spokes but if I remember right, Blackbike broke some spokes on his new one. |
So I redid the valve clearance to .005" exh and .004" intake. Moved carb slide needle clip one notch down to raise it. started nicely and ran.
But is blowing blue smoke out exhaust like a 2 stroke and has a knocking in motor over and above happy tappy valves. What do I need to do to take top end apart? Remove Valve train and cylinder head so I can see if I can tell anything from inside cylinder. Since its a pushrod motor do I need to keep the valves and cam timed or does it not need to like on a OH cam with chain? thanks rj |
Interesting layout of the fitting on the head; I've only ever seen them mounted horizontally. I agree with MD that you can remove the whole deal if you wish. I would. I ditched that awful air box and I use this: https://www.ebay.com/itm/BLACK-42mm-...lZ7wmd&vxp=mtr
I can't imagine what those fork leg brackets are for. The cat could be full of oil, which would help to explain the smoking. Doesn't explain the knocking, though. Glad to see that the gas tank wasn't completely perforated by exhaust. That would be a ride that ended badly. Can that spacer (that is currently sealed with silicone) be removed to allow mounting the petcock directly to the tank? |
Not sure on the petcock spacer coming off. Looks to be sonically welded?
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HB has kindly posted this in the past: https://josemaco.files.wordpress.com...h-62ktjam5.pdf It's likely to be a CG125, but the procedures will be identical.
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thanks Weld, just what I needed to see inside workings of engine. Will take top end apart and see whats up, rj
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Wow I'm actually having this same issue with trying to find out where the 1/4 in hose in front of the spark plug is suppossed to go
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I Ran it this morning for 5-10 minutes oil smoke did seem to burn out, knock still there. But it runs and idles otherwise.
I'll run it again tomorrow morning and see if it smokes just for kicks and giggles. I broke down an ordered a new motor on Ebay. At this point , I'm busy with work and time better is spent making money then trying to take engine apart and try and fix it. Maybe later on take it apart and see what's up with it. https://www.ebay.com/itm/NEW-LIFAN-2...72.m2749.l2649 rj |
rjmorel - Since we both have essentially the same bike manufactured by Jialing, I'd certainly be interested in how the Lifan engine works out for you. My Jialing needs major work, but I have another 163fml made by Loncin that so far, appears in good condition. If all of my current options fail, I'll also be purchasing a Lifan. The one thing I noticed is that their engine does not come with the sprocket cover. Hopefully the one off your Jialing will fit.
Keep us posted and don't forget the pics, please. :thanks: |
Will do TD. rj
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You'll love that motor, RJ. My Lifan has been a soldier since I got it.
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For those of you who have a foot fetish, :wtf: here's a really bad vid I took so you can hear the motor knocky knock. Sound is ok ,vid is pointed all over the place as I was keeping machine running. Tried to show smoke coming out of exhaust .>:( Ignore water on floor, not from bike. Any ideas on the knock.? :doh: Kinda sounds like "the little wood chopper" wacking away don't it? Enjoy rj
https://youtu.be/Fdk-t7nPafI |
No exhaust leaks?
Blue smoke out the exhaust is usually a sign of needing rings |
Sounds exactly like an exhaust leak at the header pipe and head.
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