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Okay, so first.  I'm horrible with anything mechanical.  

I recently found a 2007 Burgman 400 with 29k miles on it for 1600.  Took it for a spin, seemed normal.  Around the block ( it was raining so didn't open it up properly).  

On the way home, I noticed it was accelerating slow. Like super slow. Once I got it home I took a look again this morning noticed the FI light was on.  And it wouldn't go past 4k rpm.

Everything I've looked at says it's the SVTA, either the motor stuck or the valves themselves.

Assuming I use a shop to repair it, I'm expecting about 800 for part and install.  

Is this still a decent deal?

Also does anyone know if the throttle body on the 07 is the same as previous years. I can get a used on ebay that might save me money in the long run.

I'm not sure where this belongs, so I'll just leave the link here.

I found this searching around, I know a lot of people have asked about it.  Hope someone finds it helpful.


jmstar.com/download1.php?id=87

Any tips on replacing tires? Looks like my rear tire is leaking around the valve stem

Hey guys, 
I was putting off posting hoping I could find the answers elsewhere.  I found a lot of good stuff so far, but missing a few pieces.  I'd like to say my mechanical skills are pretty bad.  I can change the oil, filters, lights, I have diagrams for all the wiring, it's kinda sketch but I'm decent with electronics.  right now I just want to get it running smoothly.  I'm very happy with the power in this.  I'm only a half mile from work but all the roads are 45/55.  So I can keep up with traffic well enough.  Haven't tried out any of the hills around here yet. Will do that, when I get my tags/etc.

I have one of the Jonway YY250T/Shanghai Shenke blah blah blah scooters with the Honda clone 244cc engine in it.  I can't seem to locate the valves everyone talks about adjustment.  My bike seems not to do well with cold starts.  I have to rev it until it gets up to running speeds, then it idles just fine. (maybe also need to turn the idle speed up?)  Where would I find that as well?  

I just bought this used with a about 5k miles on it.  I have a list of to dos when I get the extra money, but I'm trying to do as much as possible now before I put more money into it.



Is there a way to take the turn signal and brake light covers off without removing body panels? I want to try and clean them up a bit.  I know I can change the lights without doing it, but I want to clean the actual covers part.



I'm trying to find the valves for this bike to adjust them.  Are they on the side shown or on the side with the muffler?  Do I need to remove the cvt cover and the air filter (shown, I think) and the body as well?  I tried looking underneath, but couldn't find anything that looked like the two valve arcs I've seen.  

List of things to replace/do.

-Battery (currently has to be jumped)
-fuses (check fuse box cables)
-turn signal lights(breaks head lights work for now)
-change oil
-spark plug
-adjust valves.

Feel free to add suggestions, but my mechanical skills are limited diagrams, help.  

1.) There is method for adjusting the valves when the engine is cold.

2.) Any chance it's the idle speed?

I'm a pretty noob, but that seems to be what other posts similar to yours have said. Goodluck. I'm working on adjustment my valves. As soon as I can find them. >.<

scootdawg.proboards.com/thread/15019