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Post by skyman895 on Dec 12, 2013 12:16:45 GMT -5
My scooter has been out of commission for a little while, I have not ridden it or started it for about 2 months due to weather conditions. I have been storing it in my garage though so it has been out of the elements. A week and a half ago I tried to start it but I had no luck. The lights will turn on and my blinkers work but I am just not getting any response from the engine. I have tested the battery and it is still reading 12.5 volts. I have never worked on scooters before and I could really use some help as I really don't want to have to take it to a repair shop. I am having trouble locating the spark plug as I think that may be the issue but I have no clue really. Could it be an issue with the carburetor? Any help would be much appreciated. Thanks!
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Post by skyrider on Dec 12, 2013 12:58:15 GMT -5
Then 150 Znen that I had when it got hard to start was valves needed adjusting. Did that and it started perfectly.
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Post by skyman895 on Dec 12, 2013 13:26:26 GMT -5
Can you explain to me how to do this? I have never worked on scooters before and would like to start. Thanks a lot for replying btw!
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Post by skyrider on Dec 12, 2013 13:56:24 GMT -5
It is a temptation for me to say it is really easy, but then I've been working on things mechanical for near 60 years.
On the one I had it was necessary to remove the "plastic" in front of the seat and the hump between the foot rests.
The valve adjustments are under two plugs or caps on the top of the head.
Rotate the engine so that both valves are in the closed position and use a feeler gauge to check valve clearance.
I used .03 for intake and .04 on the exhaust. There are threaded adjusters with lock nuts for making adjustments.
I think JR will soon chime in with a link to a video on how to do it.
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Post by urbanmadness on Dec 12, 2013 14:33:30 GMT -5
since it's been sitting, the carb probably needs to be cleaned. I doubt it's the valves although I'm sure it could use a valve adjustment.... These bikes almost always need valve adjustments.
Other things that make them hard to start are vacuum leaks. Check and make sure you don't have cracked vacuum hoses.
here's a video on spark plug placement.
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Post by skyman895 on Dec 12, 2013 14:43:54 GMT -5
Thanks I will try all of this. I am a novice though so it will probably take me a while. First I have to figure out how to remove the outer plastics to get to the engine. I'll let you know how everything works out.
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Post by urbanmadness on Dec 12, 2013 20:08:09 GMT -5
On the lance, you will take off the seat, then take out the seat pan.... from there, you take off the rack, and work from the back, towards the front. If you start with cleaning the carb, all you have to do, is take off the seat and remove the seat pan...
Then you can access the carb. You will need to take if off, find a nice clean place to work, remove the float bowl (the bottom of the carb), you will see two brass screw looking things. Those are the jets. There are two. One will look like just a short little thing, that's the main jet. The long one is the pilot jet. Run aerosol carb cleaner thru both of the jets, until you can see light in all their passages. Next take the straw on the carb cleaner and squirt it down where the jets go in the carb.... Put it back together and back on the scoot. I would also suggest draining the fuel tank and running fresh. Any time gas sits in these bikes, it turns to varnish and gums everything up.
Just take your time, you will do fine...
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Post by spandi on Dec 12, 2013 20:41:38 GMT -5
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