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2012 WR450 Starting woes

By W85W58,
in WR400F/426F/450F

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funt

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These are supposed to idle at like 2000 rpms, right?  My vapor tach says mine idles at 1300 something.  I can turn the knob in and make it slower but when I turn it the other way it seems like it stops around 1300 rpms.  Maybe I have the vapor set up wrong.  Do you guys have this problem?  Maybe enrichening it would speed up the idle.  Edit: I changed the pulse per rev from 1 to .5 and rpms are in spec.

Edited by funt
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vlxjim
vlxjim

Just got my FI diagnostic controller (that was fast). Bump up C1 to 15, You can smell the difference. Boy can you feel the difference. The snap off idle is huge. Warm startup just hit the button and s

Bass Mechanic
Bass Mechanic

There is no problem starting these bikes, my 13 was exactly the same as all these guys bikes, until I read the owners manual. Just like my dealer told me you have to crack the throttle open just sligh

Corkster
Corkster

Finally, after trying everything on these posts, my bike starts on the first or second button.  I bought a FI diagnostic controller and increased the idle richness by +20 units.  This changed my CO le

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boston460

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Well, I ordered one up, so I hope I got the right one.... Mine says its for the SYM motorcycles and looks like it has the correct cable, but I noticed it says "ED88" above the display instead of "VD001" like the ones posted previously on here.... other than that it looks identical.

Don't worry, the one I ordered was a ED88 in the photo but the one I received had VD001 printed on it.

Edited by boston460
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woods-rider

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I had a hard time starting mine after a somewhat recent valve adjustment that included a 165 shim on an intake valve. We hook the tuner to it at the shop and discovered I had 174 hours on it. Probably time for new valves.

 

No way should you need new valves after only 174 hrs unless you are running no air filter or for some reason are sucking in a lot of dirt.

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Ride-n-Hard

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After you used your new fi diagnostic tool and adjusted the co, did you recheck your fi map using the gytr tool? I was woundering if maybe the fid tool is setting the base map and the gytr is and over lay "tweek".

Is there any other co settings you can access?

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thirdcoaster

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I ordered one of the SYM diagnostic tools based on the reports in this thread.  I hooked mine up and powered it off of the WR's battery.  When the diagnostic tool comes alive, it has two options on the screen: Language and Diagnostics.  When I select diagnostics, the screen indicates "connecting" but nothing happens; it just returns to the Language/Diagnostics screen.  Am I missing something here?

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boston460

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I ordered one of the SYM diagnostic tools based on the reports in this thread. I hooked mine up and powered it off of the WR's battery. When the diagnostic tool comes alive, it has two options on the screen: Language and Diagnostics. When I select diagnostics, the screen indicates "connecting" but nothing happens; it just returns to the Language/Diagnostics screen. Am I missing something here?

Strange, when I power mine up it has DTC and below that Diagnostic.

Try this, with the bike turned off plug the diagnostic tool in, select diagnostic with the M button and whilst it's trying to connect turn the ignition button on but don't start the bike. (This is how it requires you to access the different parameters) Hope this helps

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thirdcoaster

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It is plugged in correctly.  The battery powers the unit independently of the ECU lead.  The only thing on the screen is "Language" (UP) and "Diagnostics" (DOWN).  Pressing the "down" button makes the unit attempt to connect "Connecting", and then it returns to the original screen after maybe 10 seconds.  It never connects.

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mch

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It is plugged in correctly.  The battery powers the unit independently of the ECU lead.  The only thing on the screen is "Language" (UP) and "Diagnostics" (DOWN).  Pressing the "down" button makes the unit attempt to connect "Connecting", and then it returns to the original screen after maybe 10 seconds.  It never connects.

 

Do you have the aftermarket ECU?  I'm not sure it's needed, but I believe the stock ECU is locked for all aspects of programming.

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thirdcoaster

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Do you have the aftermarket ECU?  I'm not sure it's needed, but I believe the stock ECU is locked for all aspects of programming.

Competition ECU was installed as soon as I took delivery of the bike.

 

 I split the case of the EFI programmer at lunchtime.  It is really poorly made (kinda what you expect for little $$) but the circuit boards appear to be OK.  I wonder if the unit I received doesn't have the right program in it.  Tonight, I plan to check the connectors to make sure the wires are making contact.

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