Won't Start

[cb0802]

I recently installed 2 inch risers and now the bike won't start. I don't know if the two are related, but here are the details.
I rode home, 30 miles, let the bike cool down and installed the risers. A 10 minute job, but I noticed the clutch cable and brake lines were very tight. After a little research, I found the riser manufacturer sells a kit to move the cables/lines to allow a little extra length, and I installed that as well. The "kit" is actually a few parts that simply removes the OEM brackets holding the lines. After completion, I pulled the bike out, turned left and right to full extention and seemed to have enough length.
When I tried to start the bike it turns over, gives a cough or two, but never fires up. I've tried full throttle. I've disconnected and reconnected the clutch wire. I've tried ignition in neutral and in 1st gear with the clutch lever depressed, on the center stand and with both stands up. After several attempts the battery still seems go have plenty of power. I don't think this is the"hard start" as I've waited several hours between attempts and given it WOT with no success.
Any ideas or recommendations will be greatly appreciated.

 

[Juan]

I cannot see how fooling with the bars can loosen a plug unless you removed the cables running from the bars to the engine. The fact that the bike coughed a couple of times makes it a bit more difficult to diagnose the problem but is indicative of a hard start. You've already tried WOT so I would now remove the fuse and crank it - see other threads on this.

 

[scott123007]

Two coughs and then nothing is the classic hard start or "no start" as the really bad ones should be called. When I return from a long trip, I go through the bike pretty extensively, ( remove bodywork, clean air filter, extensive cleaning in all the nooks and crannies that aren't normally exposed). The bike gets pushed around and leaned over and uprighted frequently, and each time after re-assembly, when I go to start the bike, it coughs twice and then refuses to start. I've posted on here many times before that the only "sure" way for the bike to start in this condition, is to push start it. I know I make that sound like it is no big deal, but I am amazed at how many riders now a days have no clue how to do it. You will need some help to push it unless you have a down hill area near you. Either way, you want to get the bike up to at least 5 or 6 mph to do it. Turn the key on, get on the bike and leave it in neutral until you get up to speed, then stand up on the pegs, pull the clutch in and put the bike in 1st gear. (With a big heavy bike like this with its own compression release, 1st gear works fine) In one continuous motion, as you put it in gear, sit down forcefully, as you let the clutch out to get the engine spinning without the back tire skidding. Give it just a little bit of throttle and within a few feet it will start.

To be fair, if you have the time, and you don't have the help around, or don't have a hill nearby, you can do what others have done in the past and remove the fuel pump fuse and crank with the throttle wide open and hope that it clears, but I have found it way easier just to push the damn thing.

Good luck

 

[Checkswrecks]

Here's the hard start procedure on the first page of this thread:
http://www.yamahasupertenere.com/index.php?topic=2149.0


We've had a couple of people now who've had their handlebars loose and then had electrical issues. The cure has been to follow each of the wires from the handle bars to the connectors, generally under the right side panel, and they've found loose connections.