Junior
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Post by 4950cycle on Sept 20, 2012 9:51:27 GMT -6
Thank you for the pic Ally. This is not a pic of a JCL MP 250 A or Yamaha's YP 250 motor. It looks like it may be a GY6 150 motor. But for all practical purposes it is a very close picture discription of what I am looking at in the 250 Yamy style 250 motor. So close I won't post a pic . Again, Thank you
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Junior
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Post by 4950cycle on Sept 19, 2012 21:41:24 GMT -6
Hi, My name is John. I'm a noob here from north central FL. and thought I'd come here to post dealing with a broken starter clutch on my girlfriend's 2007 JCL MP 250 A. The other day my girlfriend went to start her scoot when all it did was make a whiring sound (starter motor freewheeling) instead of turning the engine over to start it. After I talked to Jeff at Mudville Scooter & small engine repair outside of Idianapolis ID. and told him what the scoot was doing he said he believes it to be the starter clutch. And he proceeded to tell me the best way to go about replacing it. After studying the design of the Yamaha YP 250 on the PDF files right here on Scooter Professor and realizing a scooter starter does not do its job quite like a car starter does its job. It is a direct drive with a ratcheting action (slips going one way and catches and turns the motor over going the other). I agreed with Jeffs conclusion and proceeded to start peeling off the layers of plastic that a water cooled scooter is buried in. Pulled the starter out and inspected its drive just to make sure it wasn't a part I could just bolt on. Instead of doing this medium difficulty operation I know for sure now I have to do . I have it all opened up now and will try to get some pics up so you can get a visual on what I am speaking about.
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Junior
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Post by 4950cycle on Sept 19, 2012 11:22:53 GMT -6
And, I'll go ahead and ask it. What exactly is a PDI ? I know the P probably stands for preventitive ?  |
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Junior
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Post by 4950cycle on Sept 19, 2012 11:16:50 GMT -6
I'm not lieing trying to make any co. look bad JR. It's just fact. I just got real unlucky here. And yes, I've hit it with a jump starter. And by the way. This is not like a car starter system. If the starter motor will turn (in the right direction) the engine will turn with it. Its strieght drive when its going it the correct direction . Not a bendix type that has to turn fast to engauge like a car starter. Now, to sound like a dummy, I can't find the icon to start a new thread. I thought because I was so new here that I might not be allowed yet ?  |
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Junior
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Post by 4950cycle on Sept 18, 2012 23:00:59 GMT -6
I wish it was just a snap ring !
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Junior
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Post by 4950cycle on Sept 18, 2012 22:01:36 GMT -6
Hi all, Another noob from FL. here. I also have a JCL MP250 A. But I have not been so lucky. This thing has been nothing but a screw up. I bought it for my girlfriend at killermotorsports and in the first ten miles the ignition would go completely dead intermittenly. Of course you can't get to anything without spending a week working on it. So I stressed the wire bundle going to the ignition switch (what I could get at) it after taking the handle bar covers off so she could at least ride it for a while. Next the stalling all the time started. I here a valve adjustment will solve that. Two schools of thought on that too. But before I could even get to that task it stranded her. Would'nt start. Starter motor will spin but won't turn the motor over. Some fella in Indiana an I came to the conclusion that it was most likely the starter clutch quit after only 800 miles., Between the valves and the side case of the engine that must come off now this thing has been working my a.. off. All rear body work rear of the handle bars , seat, belly pan , exhaust has to come off . Anyway, Do you guys think our diagnosis is correct and if so once I take the left side case of the engine off is there anything else that is in front of the starter clutch ?
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