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Post by Cruiser on Sept 20, 2012 22:19:33 GMT -6
Here's the relative position with everything connected:  Right above the centerstand. |
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speedometer
by: Cruiser - Sept 20, 2012 22:13:17 GMT -6
Post by Cruiser on Sept 20, 2012 22:13:17 GMT -6
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Post by Cruiser on Sept 18, 2012 21:49:41 GMT -6
onley takes 4 mins to warm up, not the problem, thanx anyway That means your scoot is idling 8 minutes for every 20 mile round trip you do for your commute. You should be able to travel for at least 6 minutes additional instead of idling and that would have to make a difference in gas mileage? I'm not saying that would be the total answer, but when you are trying to improve gas mileage, you try to find ways to operate your scoot more efficiently. Make sure your tires are up to the proper pressure. |
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Post by Cruiser on Sept 16, 2012 21:57:23 GMT -6
With the scoot on the center stand, I don't think the engine should stall when accelerating even if the variator is messed up. Did you try running the engine with the CVT belt off to see if it accelerates normally?
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Post by Cruiser on Sept 15, 2012 22:42:16 GMT -6
really hoping alleyoop stops by and reads this John speaks very highly of you and says you know your stuff.... so please help well now i have a new problem.... i took the sliders out and put in the 12g rollers it was awesome i was hitting 57mph in very short flat distance went less then 2 miles and had to slow down for a red light.... after the light turned green i turn the throttle to go and the scooter dies like it ran out of gas....it cranked right back up and when i rev'd it died again...tried 10 times same result seems like as soon as it should start rolling the engine dies... i took off the cvt cover and the clutch isnt engaging... ever had this happen or know whats up? im at work after pushing my scooter for 2.6miles back home and stressing out on whats wrong with it to fix tonight need any ideas.... If the clutch was not engaging, then there would be no load on the engine. The CVT would freewheel and the rear wheel would not turn. This would not cause the engine to stall. If the contra spring broke or the driven sheaves stayed open for whatever reason, then the rollers would come out their tracks when you slowed down. Trying to accelerate from a dead stop would be like trying to drive away in top gear with a car. This might cause the engine to stall. A possibility is that the lighter weights allowed the belt to ride higher in the variator and since the rear sheaves were opened farther, they may have jammed open. This problem could be compounded by a weak contra spring like Alley said. A picture of the CVT would be useful here. It does sound like you might be servicing the clutch (checking the contra spring and lubing the clutch bushing) and resetting the rollers. |
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Post by Cruiser on Sept 11, 2012 19:24:06 GMT -6
My YY250T has a 244cc Honda clone engine. Yours has the Linhai engine which means your scoot is not a YY250T. That's one reason why the fuse circuits are different. Why do you call your scoot a YY250T?
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Post by Cruiser on Sept 10, 2012 21:45:27 GMT -6
Since the brake lights also do not work, it looks like the brake switches either are not getting 12 volts when the key is turned on or both switches are defective. Here's a picture of the fuse box which is located next to the battery:  Check the fuses to make sure they are not blown. Another problem with this fuse box is that the connectors at the bottom of the fuses tend to push out and have to be reseated from the bottom. There is a fuse for the brake circuit which could be the culprit. |
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Post by Cruiser on Sept 8, 2012 19:58:51 GMT -6
Welcome to the forum, kbonanny. Not all of the 250cc scoots have the diode. There is no fault with the diode that would cause the headlights not to work. If you have a switch for the lights on the handlebars, then you most likely do not have a diode. I would start at the light switch to see if it is OK. Scoots and water do not mix and if has been out in the rain or wet washed a lot, the contacts on the switch or switches could be corroded. Here's what the blocking diode, regulator/rectifier and CDI look like on a YY250T:  Here's a wiring diagram which might be closer to your scoot if there is no diode: www.jclusa.com/Document_Support/Products_Support/MP250A/MP250A_wiring_diagrams.pdfIs everything else working electrically? |
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Post by Cruiser on Sept 5, 2012 0:20:21 GMT -6
jct842, I'm a real novice when it comes to vehicle electrical systems, but I checked the brake lights. With the key turned on (so the dash instrument lights are on), I get no brake light with either brake handle. Can you tell me what that might indicate or what I need to check next? I do have a digital multimeter but I've used it very little. You may have a bad starter relay, but the new one may not work if the brake lights are not working. If the bulbs are bad then it will not affect the starting circuit. If no 12 volts to the brake lights, then the yellow/green wire to the starter relay may also have no 12 volts to activate the relay. Set your meter to measure DC volts and put the black lead on the battery negative and the red lead on the terminal where the yellow/green wire connects to the starter relay. Turn on the key and squeeze either brake. You should get a 12 volt reading with both brakes. If not, then you have to fix this problem in order to get the starter working. |
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Post by Cruiser on Aug 29, 2012 23:24:24 GMT -6
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Post by Cruiser on Aug 28, 2012 23:21:28 GMT -6
The feed from the float bowl to the intake side of the carb can be done on any carb using the Dial-A-Jet kit. I have one on my 50cc scoot. www.thunderproducts.com/dial_a_jet.htmIt's pretty popular with the motosports crowd (atv's and snowmobiles). |
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Post by Cruiser on Aug 26, 2012 12:31:14 GMT -6
Thanks for the 150cc info, I already had guessed that. I'm trying to verify the brand name like Roketa, Tao Tao, Lance, JCL, etc., along with the model number or any other model name. This makes a difference on the wiring diagrams. Not all 150cc scoots are alike.
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Post by Cruiser on Aug 25, 2012 22:53:45 GMT -6
I may have missed this someplace, but what kind of scoot do you have?
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Post by Cruiser on Jul 30, 2012 20:07:08 GMT -6
A handsome machine, KZ. I wish you the best of luck with your new scoot.
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Post by Cruiser on Jul 29, 2012 22:27:39 GMT -6
The Prestone website does not mention silicates in any of their antifreezes. They also do not make a point of mentioning specifically that there are no silicates in their products. The concentrated Prestone and the 50/50 mix are identical in ingredients except for the addition of distilled water in the 50/50 mix according to the website.
They do have a Prestone Xtreme Sport antifreeze for motorcycles which also doesn't say anything about silicates.
So what can be deducted from this? Their products do have silicates and they don't want to admit it or none of their products have silicates and they decided to list what is in their products rather than what isn't?
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