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Joined: Apr 19, 2015 14:25:00 GMT -5
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Post by nyan on Apr 19, 2015 14:35:50 GMT -5
Hello Newbie here, looking for some basic tune up info for my Mosquito. She's an MD50QT-9 Chinese scooter, made in 2008. She runs fine (most of the time)- although she does like to randomly cut out when idling sometimes. I really don't know where to start with her as shes my first, but I'd like to get her running perfectly. Any advise/diagrams/tips would be well apprecited. Just be gentle as I have NO IDEA what I'm doing. XD Thank you in advance. <3
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Post by urbanmadness on Apr 19, 2015 15:52:40 GMT -5
ok... general maintance is pretty easy. Most complicated item is adjusting the valves. And the idle problem sounds like valve adjustment.
You asked about General Maintenance, so here it goes.
Valves should be adjusted every 1000 miles or so Oil, should be changed every 500 or so.
Belt should be inspected at 1000 miles. I just replaced them at 2000 miles. Variator weights need to be inspected when you have the belt off. Lub the clutch needle bearings at the same time.
I'm sure others will chim in.
Tools needed, 1/4" drive socket set (easier not to over tighten bolts). Feeler gauges that go down to .003" (I use what they call go/no go feeler gauges), cheapo impact wrench (harbor freight has one that works well for under 50 bucks), a couple of impact sockets (I just bought a set) A decent set of screwdrivers, a flash light. A drain pan that will fit under the engine. You also might want to pick up a set of combo wrenches.
Things that make it alot nicer to do this kind of work are a "magnet on a stick" cause you will drop stuff, and a magnetic dish for putting screws, nuts and bolts in and a small tool box.
Note: wrenches and sockets should be metric.
I know this list sounds a bit more complicated, and it makes the job(s) sound more complicated but these bikes are really simple machines and a good way to learn.
As always, ask questions, read the "How to's" and you will do just fine.
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Post by JoeyBee on Apr 19, 2015 17:48:25 GMT -5
Welcome to the forum! I agree with the last poster. He was right on point. I would also suggest adjusting your carburetor. The cutting out at idle may indicate you are running lean, too much air in your air:fuel ratio. Plus depending on your location the shift in tempatures demands minor adjustments. Check out Alley's tuning guide in the tech library. The library has a lot of very good information. YouTube also has a lot of very good information. itistheride.boards.net/board/34/fuel-air-carb-all-sizes
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