Post by okie101 on Nov 25, 2012 23:53:19 GMT -5
Hi everyone,
I'm new to scooters and this is my first post here. But I've been reading this forum a lot while choosing a scooter. And I chose a 2009 CF Moto Ejewel 150cc. Bought used with 700 miles on it.
It runs pretty good for short distances, but there's something amiss that manifests when the scoot gets warmed up. Here's the story.
During the first couple of real rides (about 5 miles), I found that the scooter was dying at stop signs and often refused to go when I first started (it would die when I gave it some throttle). Then on about my 5th ride (on a particularly warm winter day), the scooter suddenly lost power such that the top speed was about 35mph (it can usually do 60). So I stripped the plastic off and looked at the carb, the spark plug, the air filters, oil, and hoses. Everything looked clean and new, as you might expect on a relatively new machine.
So I called a motorcycle shop, told the guy my story, and he immediately concluded that it was the carburetor. I said that I looked at the carb and it looked clean to me, but the guy said "It's always the carburetor." So, I had him clean the carburetor, but that was not the problem. Or at least not the only problem.
So I dumped in some fresh gas and some sea foam. That and the newly cleaned carb led to some improvement (less dying at stop signs). But there was still some trouble maintaining an idle. Then, a couple of days ago, I attempted a 7-mile ride (usually I only ride a 5 mile commute). About three miles from home I got the sudden-loss-of-power thing again, and I ended up limping home at 30mph.
So, now I'm trying to figure out what to do. I've found some posts that report similar symptoms. Most relate to carburetor issues in older scooters. In one case it was a coil that malfunctioned when it got too warm. There were also some stories that pointed to the fuel pump and faulty valves. My scooter now runs best when I first start out on a cold day, and the hotter the scooter gets, the more easily it dies. And the loss of power happened only when the scooter was warmed up. So, a faulty coil seems to fit the evidence, but that seems like it would be a very rare problem. Given that I've had the carb professionally cleaned and tuned, what should I look at next? I hate to take it back to the bike shop, where the guy seemed none too thrilled to be working on a cheap, chinese scooter.
Thanks for any advice!!
I'm new to scooters and this is my first post here. But I've been reading this forum a lot while choosing a scooter. And I chose a 2009 CF Moto Ejewel 150cc. Bought used with 700 miles on it.
It runs pretty good for short distances, but there's something amiss that manifests when the scoot gets warmed up. Here's the story.
During the first couple of real rides (about 5 miles), I found that the scooter was dying at stop signs and often refused to go when I first started (it would die when I gave it some throttle). Then on about my 5th ride (on a particularly warm winter day), the scooter suddenly lost power such that the top speed was about 35mph (it can usually do 60). So I stripped the plastic off and looked at the carb, the spark plug, the air filters, oil, and hoses. Everything looked clean and new, as you might expect on a relatively new machine.
So I called a motorcycle shop, told the guy my story, and he immediately concluded that it was the carburetor. I said that I looked at the carb and it looked clean to me, but the guy said "It's always the carburetor." So, I had him clean the carburetor, but that was not the problem. Or at least not the only problem.
So I dumped in some fresh gas and some sea foam. That and the newly cleaned carb led to some improvement (less dying at stop signs). But there was still some trouble maintaining an idle. Then, a couple of days ago, I attempted a 7-mile ride (usually I only ride a 5 mile commute). About three miles from home I got the sudden-loss-of-power thing again, and I ended up limping home at 30mph.
So, now I'm trying to figure out what to do. I've found some posts that report similar symptoms. Most relate to carburetor issues in older scooters. In one case it was a coil that malfunctioned when it got too warm. There were also some stories that pointed to the fuel pump and faulty valves. My scooter now runs best when I first start out on a cold day, and the hotter the scooter gets, the more easily it dies. And the loss of power happened only when the scooter was warmed up. So, a faulty coil seems to fit the evidence, but that seems like it would be a very rare problem. Given that I've had the carb professionally cleaned and tuned, what should I look at next? I hate to take it back to the bike shop, where the guy seemed none too thrilled to be working on a cheap, chinese scooter.
Thanks for any advice!!