[Brent Mesnick]

Hello Everyone, thanks so much for contributing to this forum its a great resource for people like me. Hopefully you guys can help me out with this issue.

Im helping a buddy get his R6 back in working order after it was laid down on the left hand side. The bike sat outside for about 6 months, and hasn't ran since the crash The crash broke the left handle off, but only bent the clutch lever and the switch seems to be ok. The stator cover was replaced, and gas tank (filled the new tank with about 1.5 gallons of 91) along with some other various damaged parts. Got the bike all back together, and now it wont start, I replaced the 50amp main fuse which was blown, and the ETV (7.5) fuse was blown also. The rest of the fuses on the bike looked ok. Fuel pump is making normal sound when the ignition key is turned on also. After cranking the bike for a while, I was able to get the bike to turn on for about 30 seconds - 3 times in a row, sounded like the idle was pretty low, but when i tried to rev the throttle, the bike would bog and turn off. After those few times barley starting it just cranks and wont fire again. I changed the spark plugs, and verified there is spark on all four cylinders, not sure why it wont start. I read on here that you need to have a diagnostic module to pull the codes which I dont have, and would like to avoid taking it to the stealer to get the codes out of it. Could i be the clutch switch? Kickstand switch? Coils? fuel injectors? Any help is much appreciated to get this thing going again.

If you need more info, please let me know.....

 

[Peanut_EOD]

Where are you?


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[El Duder]

Is the tip over sensor in the right orientation?

 

[Peanut_EOD]

Is the tip over sensor is the right orientation?

That was my first thought, but the fact that it started at all made me think otherwise.


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[Brent Mesnick]

I’m located in San Diego, we got quite a bit of rain over the winter, and the bike was sitting out side, but all of the electrical connections are in good shape, especially the battery connections. And I thought it may be the tip over sensor also, but it did start a couple times. Also, all of the plugs were wet when I pulled them out to change them.

 

[Brent Mesnick]

Thinking about getting the 4-pin to odb2 connector so I can pull the codes, I’m having trouble finding the list of codes for the 2017 R6.... anyone have a list of the codes so when I pull them I can try to fix the issue?

 

[Peanut_EOD]

I’m pretty sure they’re the same as automotive codes for cars.


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[Brent Mesnick]

Ok thanks I was thinking I could use the code matrix from an older model R6. Hopefully someone else chimes in on a potential issue, I hope it’s something simple.

 

[Arrr]

Try to start in 2nd gear on really long hill!

This helped me when bike was sitting for a long time

 

[Brent Mesnick]

I’ve been doing some reading, maybe some one can chime in. It’s possible the fuel pump may have been damaged in the crash, and even though its priming, it may not be putting enough fuel in the engine. Anyone know a way to test the fuel pump, or have a cheap way to build a pressure gauge without buying the $250 yahama pressure gauge adapter? Would the lack of fuel pressure be a reason why the bike started, a couple times and won’t start again?

 

[yamahacrazy]

that hose is only $99. it would be far less expensive to take it to the dealer and pay the $89 diagnostic fee. they can read the codes with the yamaha diagnostic software, run any diagnostics with the software and test the fuel pressure.
the new yamaha diagnostic system is nothing like using a run of the mill code reader. it's far more in depth.

oh and you can thank Euro emissions regulations why you don't have the built in diagnostics on your R6 not yamaha.

 

[Brent Mesnick]

Update for the 2017 r6, maybe some one will chime in, otherwise this is for future owners with similar problem. As I said the bike was crashed on the left side. I bought the 4pin to odb2 connector off eBay, and pulled the codes this morning. Got a few codes back tire code and another, but notably was the p2122 and p2128 something with the accelerator timing sensor. Pulled off all the crap to get to the sensor on the throttle body, and everything checked out ok, checked all connections and nothing was loose or damaged Cleared the codes, tried to start and still no start, but no new codes were tripped. That leaves me to think the fuel pump was bad from the crash. Pulled it out and tested it with the multimeter, seemed to me that the manual didn’t give much information on the “number 3” float position, but seems the resistance is a bit high for the manual specs. Found a replacement pump
On ebay for $70, so I’ll give that a try and update after. If anyone has an idea why the bike started barley a couple times and won’t run now help would be appreciated.

 

[Brent Mesnick]

Finally it runs! It was the fuel pump. Tell tale signs was the pump leaking fuel when the hose was disconnected. Needless to say, got a used pump off eBay for $70 and installed and bam!!! Bike stated right up!

 

[adchavez09]

Finally it runs! It was the fuel pump. Tell tale signs was the pump leaking fuel when the hose was disconnected. Needless to say, got a used pump off eBay for $70 and installed and bam!!! Bike stated right up!

Were those codes showing even though it was the fuel pump?? 2122/2128 those did not mean it was the fuel pump but turns out it was the fuel pump am I understanding correctly?

 

[AyoLingo]

I’ve been doing some reading, maybe some one can chime in. It’s possible the fuel pump may have been damaged in the crash, and even though its priming, it may not be putting enough fuel in the engine. Anyone know a way to test the fuel pump, or have a cheap way to build a pressure gauge without buying the $250 yahama pressure gauge adapter? Would the lack of fuel pressure be a reason why the bike started, a couple times and won’t start again?

remove the fuel pump open it and get the motor out. then rig it with some wires to get a voltage from a battery. put the base of the motor in a container with gas, and connect what you rigged to the battery to see if the motor shoots enough gas.