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Post by Barnie on Jun 17, 2013 19:54:38 GMT -6
Richard, the needle on your diaphragm fits in the main nozzle. When I clean my carb it stays up in my carb. The only thing that comes out is the main jet and main jet holder and my pilot jet and air/fuel mix screw. Could it be yours was there, just didn't fall out? If the beast used to run ok it has to be there as there is no where for it to go. I still am betting on my 1st guess days ago is that your pump is weak or possible gone now however I don't like to replace parts on a guess, I have to be sure. Keep looking, You will find it. A vacumn pump is only as good as its supply of vacumn so make sure your vacumn supply is good. Barnie  |
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Post by Barnie on Jun 16, 2013 18:39:38 GMT -6
Richard, can u rig up a small tank like off of a lawnmower/weed eater etc and place it under seat and let it gravity feed the carb. If it runs ok u will know the carb and engine is ok and the problem is in your fuel supply system. Is there any chance the outlet at the bottom of tank culd be restricted. Will gas run freely if u disconnect the hose on the tank outlet. Even tho the filter shows gas, you just may not be getting enough gas due to vac line from manifold to pump leaking, pump weak or collapsing fuel line. I am sure the problem is simple and going to be inexpensive to fix when u nail it down. Let us know. Barnie
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Post by Barnie on Jun 15, 2013 18:49:27 GMT -6
Richard, sure hope a little cleaning takes care of problem. If ur like me I don't like to buy parts if I don't have to. JR usually calls it. I isolated my problems down that carb and eng were ok but tank to carb wasn't so I switched to elec instead of vacumn and all the problems disappeared instantly. You very well may be ok now. Sounds like some junk got thru ur filter.Do u have the Linhai or Honda engine. I have the Linhai 257 and it sure is a sweet running work horse. Matter of fact, the entire JCL machine has performed excellent for the last 5 years. I would buy another in a heart beat. Barnie  |
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Post by Barnie on Jun 11, 2013 19:00:42 GMT -6
Fflintstone, I have a JCL MP 250 a with linhai 257 engine and a 9amp battery and mine come new 5 years ago with 35w bulbs in it from factory and I have had zero problems so far. Have a friend and he has 25 watt and to be honest with u I don't see much difference. If u already have the 25's I think I would just use them. Barn |
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Post by Barnie on Jun 5, 2013 15:44:16 GMT -6
Is your air box hose staying on now ok?? Barnie |
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Post by Barnie on May 30, 2013 19:18:47 GMT -6
The color of my radio wires are red and black. Red is pos and black radio wire hooks to the green ground wire.
hope this helps u. Barnie
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Post by Barnie on May 29, 2013 5:09:45 GMT -6
It is probably just the 3 shoes in your clutch and clutch bell are a little glazed causing them to chatter a little bit till u get enough rpms to throw the shoes out fully engaging the bell at which time the noise and chatter go away. Seems to be a common problem. You can take the bell off clutch and sand the clutch pads and inside of clutch bell and the problem will go away. If that's works for you it may or may not ever come back. Hopefully some other guys on here will add their comments on your problem.
This would be the 1st thing I would look at. Are you going to do your own work or will you have to pay a shop to do it for you. Barnie ;D
t
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Wrong Belt
by: Barnie - May 26, 2013 5:37:45 GMT -6
Post by Barnie on May 26, 2013 5:37:45 GMT -6
Duggelbogey, u are positive u have the 244 engine. you have correct belt for the 244 cc engine and obviously its way to short. when not running or idleing, the belt will run near to top of clutch and bottom of variator. looks like u have the linhai 257 engine of which take the 856 23 30 belt which would be longer than the one u have. I know as I just put dr pulley sliders in mine Friday and my linhai 257 uses the 856 belt. do u have the horizontal engine (linhai257) or verticle engine(244) hope this helps. Barnie
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Using oil:
by: Barnie - May 24, 2013 18:35:14 GMT -6
Post by Barnie on May 24, 2013 18:35:14 GMT -6
Richard, if you rode 80 miles and oil is still full and your antifreeze looks good when warm and circulating ur more than likely ok, (I would feel ok about it). Like I said my JCL MP250a with the linhai 257 engine uses a little oil but its just a little bitty engine and we really expect a lot from it so I figure if it uses a little oil it's ok with me. I got lots of miles on this thing and I try to take extreme care of it and it runs and looks better than it did 5 yrs ago when it was new. I would buy another in a heartbeat. Like Alley said, watch it and ride it. Barnie ;D
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Post by Barnie on May 24, 2013 10:37:53 GMT -6
Dragonsparks,,Dave, thank you very much. The info u gave me was a big help. I just opened the file for the Yamaha engine and will go with those settings. You know, my guessing was not to far off, I guess that's why it did not come apart before. Thanks again. Barnie |
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Post by Barnie on May 24, 2013 6:17:47 GMT -6
Can anyone tell me the torque settings for the variator and clutch nuts on a JCL MP250A. I have guessed in the past and so far nothing has come loose.I have the Linhai 257 engine. I am installing Dr Pulley sliders and belt and routine clean/service of clutch. Every thing works great, just standard upgrade and maintenance. Thought I would set to spec's this time if I can get them. Thanks, Barnie |
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Using oil:
by: Barnie - May 23, 2013 17:59:55 GMT -6
Post by Barnie on May 23, 2013 17:59:55 GMT -6
Richard, take radiator cap off and start the engine and let run till it gets warm and circulates coolant. see if its milky. MY JCL 250 with linhai 257 engine uses a little oil but not to the point that is leaves any traces. Barnie |
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Post by Barnie on May 13, 2013 18:46:03 GMT -6
Burrhead, follow Alley' suggestions for good smoothe idle. I have a MP250a and I get some vibs in mirrors etc but soon a I touch the throttle is is glass smoothe at all speeds, I can still see out my mirrors at idle. Hope this helps u. Barnie |
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Post by Barnie on May 13, 2013 18:35:50 GMT -6
Ellpee, as far as the factory radio system goes, I agree with u, not very good however I went to best buys and bought a sony Walkman and plugged the mp3 cord on scoot into where headphones go on Walkman and u would not believe the great sound, better than my trk radio. all u do is turn on Walkman,then scoot radio and then hit scoot mp3 button. adjust vol and stations then on Walkman. Barnie
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Post by Barnie on May 13, 2013 18:27:56 GMT -6
Ellpee, I bought a 2" dia voltmeter at harbor frt for $7.00 included light kit with is. I just cut a round hole in my dash on right side and wired in under front fairing. easy to wire up, only 2 terminals a pos and neg. Just wire ground to good location and tap posi wire in to any hot wire that works with key in on position. Hook lite wire to any dash light wire. I have also installed a 2" hour meter on mine as well that I got from northern tool. it wires same way. I did put an inline fuse on both of them. Barnie |
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