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Post by riderboy on Jul 29, 2012 21:40:31 GMT -5
Hey guys a guy here selling a 2007 SUNL 250cc SL250-22. It has close to 9,000 miles. He says that when he goes 55 or more it loose power. So it bogs. Another thing is meter of the temp of the motor isn't working. What would be the problem with the scooter for the bog problem? The meter doesnt worry could be fix but he has some sort of rubber inside of the meter. Everything else works. I'm going to share the link of him riding it. And so you guys can Here is a video. Tell me what you think about how she sound. www.youtube.com/watch?v=RmoAn-otEmI&feature=youtu.be |
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Post by skuttadawg on Jul 29, 2012 21:48:25 GMT -5
If you remove the wire on the temp sensor and ground it with the key on it should go ATW to hot . If it goes up and down then its the gauge . A temp sending unit just has a single wire and screws in place a simple fix .
A 250 should go faster it may only need the carb and airfilter cleaned or new fuel filter . At 9,000 milers the rollers may have flat spots and the belt is stretched .
Does it have a carb or EFI ? Do a plug chop to see if it may need a larger MJ if it has a carb .
Many noobs neglect servicing their scooter and it may only require simple service instead of repairs
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Post by riderboy on Jul 29, 2012 22:25:12 GMT -5
If you remove the wire on the temp sensor and ground it with the key on it should go ATW to hot . If it goes up and down then its the gauge . A temp sending unit just has a single wire and screws in place a simple fix . A 250 should go faster it may only need the carb and airfilter cleaned or new fuel filter . At 9,000 milers the rollers may have flat spots and the belt is stretched . Does it have a carb or EFI ? Do a plug chop to see if it may need a larger MJ if it has a carb . Many noobs neglect servicing their scooter and it may only require simple service instead of repairs Cool did you see the video. Should I buy it? Yes I'll have it service from a professional if I buy it. In California it must be CARB so yes. He's asking half a tousand. Well a bit over. |
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Post by skuttadawg on Jul 29, 2012 22:56:05 GMT -5
Not CARB the emissions I meant carburetor as some have EFI ( electronic fuel injection ) which is better . Just hearing it idle and not a top speed nor having ridden can not honestly give an opinion . 1,000 for a used scooter , with 9,000 miles . needs servicing and may even repairs is pricey , along with no warranty . How does the tires look ? If it needs a rear tire along with servicing I would offer 700 since you will have to put in over 100 in it to have it in riding condition . New ones are 1,500 to 2,000 on average so depending on your budget a new one with a warranty that only needs gas in the tank maybe a better way to go . If you get it or a new one I suggest filling up the gas tank first off . I have had several two wheelers and I bought a Jonway Magnum which is a 2t 49cc . I rode it to the next county on the gas that came in it and had so much fun I did not notice the needle was on empty and ran out of gas . I had so much fun it did not bother me and only had a quarter of a mile push to get gas Having to have a scooter under CARB restrictions narrows your choices . This place has many models to get an idea on what they sell for evosales.com/ . I have not bought from them but after reading so many horror stories about online purchases and I am guessing your not a wrencher , I would only get from a local dealer and you may have to ride out of town if there is not any or a good selection close by |
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Post by riderboy on Jul 29, 2012 23:57:16 GMT -5
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Post by gatekeeper on Jul 30, 2012 0:25:29 GMT -5
It has a free flow aftermarket air filter on it. If no other modifications were done, that could be causing the bogging issue. If that's it simple fix would be to put a stock airbox and filter back on.
Based on the video and pictures I would jump on it. I work on my own scooters though and that keeps costs down.
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Post by riderboy on Jul 30, 2012 0:33:26 GMT -5
Oh darn and here are other things he said.
The scooter runs just fine on the surface streets. When you get it on the freeway over 55 for too long the engine looses power... I very rarely used the bike on the freeway. Also, the fuel guage quit working and the temp guage does not work. Since I used the bike mainly for going to and from work, I have been able to work around those issues. I know that I can get at least 160 miles on a tank, so I never had to sweat it. It really is a money saver. I drove about 110 miles a week and had to fill up about every 10 ten days. The bike will also need brakes soon. It is a 2008 and we just paid the registration renewal.
Is 550 dollars really worth it?
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Post by riderboy on Jul 30, 2012 0:39:54 GMT -5
It has a free flow aftermarket air filter on it. If no other modifications were done, that could be causing the bogging issue. If that's it simple fix would be to put a stock airbox and filter back on. Based on the video and pictures I would jump on it. I work on my own scooters though and that keeps costs down. Yea I can do things with instruction and such but not everything. There is few other things wrong. Like Fuel guage not working neither. Break need to be change. And stuff. I showed what he said above this message. Yes maybe the guy didn't replace the jets for the filter so mixture is not right. Hope it didn't do engine damage. |
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Post by gatekeeper on Jul 30, 2012 0:45:55 GMT -5
Based on the picture of the tag it is a 2007.
Look at the oil. make sure it isn't foamy on the underside of the dip stick cap. If it is then you have water mixed in with the oil from overheating/bad head gasket. I would get the temp gauge working again. don't want these things to overheat.
Brakes and tires are just routine maintenance as is belt and rollers, all of which are due if they haven't been changed already
I like what I saw in the video and pictures. If you like the way it looks I think $550 is a fair deal. But I say again, I do my own maintenance work.
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Post by skuttadawg on Jul 30, 2012 0:59:06 GMT -5
Yes its a Jonway and I have a Jonway Magnum and Rock Thunder and happy with them . Check the oil level and color to get an idea on it if has been serviced . A compression gauge like this www.harborfreight.com/compression-test-kit-66216.html is cheap and easy to test the compression . With airfilter or exhaust changes the carb will need to be upjetted to run right . I hope it has a title as if not will be a hassle to register or may even be stolen as many are . As long as you do not have driving privileges revoked , can pass the computer and vision test should be no problem renewing your MC permit . I got my MC license at 16 on a GS550 so a scooter should be very easy to take the driving test . The most important item you will need is a full face helmet which Greg has some for cheap scootdawg.proboards.com/index.cgi?board=auction&action=display&thread=52675 and leather motorcycle gloves for winter use . If its your first two wheeler than go here and read up on tips online2.msf-usa.org/msf/Default.aspx and here www.motor-scooters-guide.com/support-files/scooter-driving-tips.pdf A motorcycle riding safety course is a good idea for first timers , maybe required by your state as some do and can be eligible for a discount on insurance . I add Med Pay and roadside assistance to my policies as I do have have health insurance and Med Pay along with PIP personal injury protection will help pay for the ER bill if you wreck on your own . I do not know of a single rider who has never had a mishap or wreck as its easy to do and I hate to read about wrecks with a scooter and a car as the car always wins and often the scooter rider died |
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Post by riderboy on Jul 30, 2012 1:00:37 GMT -5
Based on the picture of the tag it is a 2007. Look at the oil. make sure it isn't foamy on the underside of the dip stick cap. If it is then you have water mixed in with the oil from overheating/bad head gasket. I would get the temp gauge working again. don't want these things to overheat. Brakes and tires are just routine maintenance as is belt and rollers, all of which are due if they haven't been changed already I like what I saw in the video and pictures. If you like the way it looks I think $550 is a fair deal. But I say again, I do my own maintenance work. Yes was made in 2007 but my car is made in 2009 yet it is a 2010 versa like u saw in picture. Thaks for the point about looking at the dipstick for water bobbles. And it's true when getting a jar and add oil then water you can see it doesn't mix. So make sense. |
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Post by skuttadawg on Jul 30, 2012 1:12:34 GMT -5
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Post by riderboy on Jul 30, 2012 1:15:20 GMT -5
Yes its a Jonway and I have a Jonway Magnum and Rock Thunder and happy with them . Check the oil level and color to get an idea on it if has been serviced . A compression gauge like this www.harborfreight.com/compression-test-kit-66216.html is cheap and easy to test the compression . With airfilter or exhaust changes the carb will need to be upjetted to run right . I hope it has a title as if not will be a hassle to register or may even be stolen as many are . As long as you do not have driving privileges revoked , can pass the computer and vision test should be no problem renewing your MC permit . I got my MC license at 16 on a GS550 so a scooter should be very easy to take the driving test . The most important item you will need is a full face helmet which Greg has some for cheap scootdawg.proboards.com/index.cgi?board=auction&action=display&thread=52675 and leather motorcycle gloves for winter use . If its your first two wheeler than go here and read up on tips online2.msf-usa.org/msf/Default.aspx and here www.motor-scooters-guide.com/support-files/scooter-driving-tips.pdf A motorcycle riding safety course is a good idea for first timers , maybe required by your state as some do and can be eligible for a discount on insurance . I add Med Pay and roadside assistance to my policies as I do have have health insurance and Med Pay along with PIP personal injury protection will help pay for the ER bill if you wreck on your own . I do not know of a single rider who has never had a mishap or wreck as its easy to do and I hate to read about wrecks with a scooter and a car as the car always wins and often the scooter rider died Jonway is only a importer. I have a 2008 Zhejiang Shenke YY150T-12 150cc which Jonway imported. I have a label of Jonway underneath the seat. This wont be my first scooter but my second scooter. I do have medical insurance. I'm not going to ride it anytime soon. Since I am working many hours plus need to save money for things that it need. |
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Post by riderboy on Jul 30, 2012 1:19:39 GMT -5
Cool links. What is a great place to buy motor parts and scooter parts? |
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Post by riderboy on Jul 30, 2012 3:01:09 GMT -5
What else to look for before I buy this?
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Post by jach on Jul 30, 2012 4:34:20 GMT -5
Might want to bring a compression gauge and test compression since it has 9k miles. If that is good, 150psi+ then 550 is a good price for that scoot as long as you don't mind working on it some.
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Post by riderboy on Jul 30, 2012 5:10:45 GMT -5
Might want to bring a compression gauge and test compression since it has 9k miles. If that is good, 150psi+ then 550 is a good price for that scoot as long as you don't mind working on it some. That be crazy to tell him hey can I take out you're sparkplug to do a compression test. LOL okay who sell them fairly cheap? |
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Post by gatekeeper on Jul 30, 2012 5:15:35 GMT -5
Harbor Freight, around 20 bucks. Make sure you get one with a 10mm adapter.
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Post by riderboy on Jul 30, 2012 5:17:27 GMT -5
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Post by riderboy on Jul 30, 2012 5:21:21 GMT -5
Harbor Freight, around 20 bucks. Make sure you get one with a 10mm adapter. Hi the one I posted does it come with the 10mm adapter? Oh I saw the manual and it say m10 so might mean 10mm. |
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Post by gatekeeper on Jul 30, 2012 6:49:22 GMT -5
Yes, that one has a 10mm adapter.
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Post by skuttadawg on Jul 30, 2012 9:44:22 GMT -5
Look at the ad banners above for parts
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Post by richardthescooter1 on Jul 30, 2012 11:59:21 GMT -5
riderboy, welcome to our forum, the free flow aftermarket air filter is a good fiter. for that to operate the proper way, you need to enrich your carb, it to lean (adjust your air/fuel mixture screw to be richer, that's your problem.
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Post by riderboy on Jul 30, 2012 15:23:32 GMT -5
riderboy, welcome to our forum, the free flow aftermarket air filter is a good fiter. for that to operate the proper way, you need to enrich your carb, it to lean (adjust your air/fuel mixture screw to be richer, that's your problem. How much turns? |
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Post by richardthescooter1 on Jul 30, 2012 16:30:11 GMT -5
I'd try turning you a/f screw all the way in (clockwise just until it stops) and then 2 1/2 turns out (counter clockwise), this give you a good starting point. I have my needle jet on the last clip (rich)
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Post by richardthescooter1 on Jul 30, 2012 16:32:11 GMT -5
Here is pic of the needle jet  btw (awesome scoot) Attachments:
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Post by jach on Jul 30, 2012 18:13:54 GMT -5
Might want to bring a compression gauge and test compression since it has 9k miles. If that is good, 150psi+ then 550 is a good price for that scoot as long as you don't mind working on it some. That be crazy to tell him hey can I take out you're sparkplug to do a compression test. LOL okay who sell them fairly cheap? Nothing crazy about that at all, I bet he wants to know if the compression is good too... and if he knows it's not, but failed to disclose it he will probably be inclined to deny your request, either way you learn something. |
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Post by riderboy on Jul 31, 2012 2:01:41 GMT -5
Here is pic of the needle jet btw (awesome scoot) Needle jet? Hm very odd. But cool pic. I learn something new everyday. Hehe. But that needle should be which should be rich. On my model helicopter there is main needle and the lowend needle. Lowend needle goes from close to meedle trottle and the top end needle effect half trottle to full trottle. I don't know about our scooters. I should look at the sparkplug but yea the guy said they changed the filter but did not rejet it. So it has to be the reason why it bogs because it's over heating. It's the same ball game with nitro engine. |
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Post by riderboy on Jul 31, 2012 2:03:02 GMT -5
That be crazy to tell him hey can I take out you're sparkplug to do a compression test. LOL okay who sell them fairly cheap? Nothing crazy about that at all, I bet he wants to know if the compression is good too... and if he knows it's not, but failed to disclose it he will probably be inclined to deny your request, either way you learn something. Haha yea well I ask him through email. He's able to sell it to me next week but first I'm buying the guage and check compression. But close to 10 toussand miles is it normal to be a bit worn out? Of course cars is different. |
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Post by riderboy on Jul 31, 2012 2:10:49 GMT -5
Might want to bring a compression gauge and test compression since it has 9k miles. If that is good, 150psi+ then 550 is a good price for that scoot as long as you don't mind working on it some. Thanks. Now the deal is how do I use it when I get one? |
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btw (awesome scoot)