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Post by korn858 on Mar 17, 2013 21:20:56 GMT -5
So, after giving my scoot a tune up, which included valve adjustment, changing fluids, and adjusting the air/fuel mixture I went for a ride. After about 2 miles of riding and at full throttle this is what happened to the spark plug. The starter turns, but it doesn't feel like it's engaging anything. Any ideas are welcomed, and appreciated. I'm not sure what to do next. This is a 150cc yy150t-12 Shenke scooter, and has 4500 trouble free miles, until now. Attachments:
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Post by teddy554 on Mar 17, 2013 21:37:20 GMT -5
yeah looks like to hot of a plug or you ran very lean but your rings are probably toast also try turning the kick start over by hand and see if there is any resistance
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Freshman Rider
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Post by korn858 on Mar 17, 2013 21:48:52 GMT -5
No kickstarter. That fell off when I was changing the belt, and I never could get it back on right. So, I just went and bought a good battery. Any other ways I can check it?
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Post by millsc on Mar 17, 2013 21:51:57 GMT -5
turn the flywheel by hand
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Freshman Rider
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Post by korn858 on Mar 17, 2013 21:56:59 GMT -5
Ok, the flywheel won't spin, so I'm guessing the engine is seized. Hmm, not good I take it.
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Post by millsc on Mar 17, 2013 22:00:29 GMT -5
not good time for a top end rebuild
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Freshman Rider
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Post by korn858 on Mar 17, 2013 22:07:24 GMT -5
ok, so can you briefly let me know what the difficulty level is to do something like that? 1-10. And what parts I need and a rough $ amount? Is this a good time to do a BBK? If I'm in there I want to make it better.
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Post by millsc on Mar 17, 2013 22:11:47 GMT -5
its not bad just take your time, if its your main transport get a good kit, like a hoca or ncy scrappy has some kits they are good quality also.
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Post by teddy554 on Mar 17, 2013 22:12:44 GMT -5
all depends on the person i would 6-7 for the first timer,scrappy has a top end kit minus the head. cylinder, pistion and rings and gasket if your head is fine about the 11 th picture down but first i would reccomend you pull the head and cylinder off yours and check them out before ordering anything www.scrappydogscooters.com/125_150_4-STROKE_PARTS.html |
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Post by teddy554 on Mar 17, 2013 22:17:46 GMT -5
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Post by millsc on Mar 17, 2013 22:27:50 GMT -5
i prefer to replace the cylinder and piston, sometimes even though the kit says its the same size the pistons differ slightly and it doesn't work
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Post by millsc on Mar 17, 2013 22:31:17 GMT -5
i sugest the rebuild kit for 49 from scrappys
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Freshman Rider
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Post by korn858 on Mar 17, 2013 22:38:59 GMT -5
Thank you for all your help. I was looking at the $49.00 one at scrappy's. So, what your saying is that's all I need? The scoot is not my only vehicle so I can take it slow, and do it right. I'm not sure if you read my updated post, but I was also inquiring about doing a BBK. Since I'll be in there? Or, would the kit from scrappy's be more straight forward?
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Post by millsc on Mar 17, 2013 22:40:30 GMT -5
you could get a big bore kit from scrappys the 59mm kit
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Post by millsc on Mar 17, 2013 22:43:37 GMT -5
ive done many ebay kits but my friends just gave out at 1200 miles, so im not going to endorse that anymore
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