Got a Gremlin (lurching, lose of power & dies) - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 15 Old 08-18-2018, 11:35 PM Thread Starter
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Angry Got a Gremlin (lurching, lose of power & dies)

Ive got an intermittent problem, thought TPS but it continued and worsened after new one installed.
Bike is an '06 1000, just shy of 40K miles.
Problem originally presented as just dying when rolling to a stop, ok pretty common so installed a new TPS.
Took out yesterday in 100+ heat and ran fine until I got out on highway and pulled off an exit, it died before fully stopped.
Re-fire and pull into top fuel off and grab a Gatorade.
Runs fine for about another 10 miles then starts lurching, chugging and no power, then clears and goes like a raped ape.
Keeps happening at random as I'm following a buddy to get lunch.
Have lunch and bike has had an Hour+ to cool off sitting in rain and 80 degrees.
I don't even get a mile down the road and it starts up again, roll throttle wide open with clutch pulled and its sputtering and dying.
I would almost explain like a plugged fuel filter but then it just clears up and off you go again.
Now the WEIRD part, when its getting ready to act up and during the speedo freaks and bounces all over the place.
Then Speedo goes back to normal when problem clears!
Has me stumped of where to start looking for this GREMLIN!
Whats your thoughts????
Mike

2007 Blue DL650 V-Strom - running out of farkle's to do so bought the VEE
2006 SILVER DL1000 - Running out of Farkles also!!!
2017 EX300 Kawasaki Ninja
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post #2 of 15 Old 08-19-2018, 12:11 AM
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That sounds like electrical problems to me...start examining wiring harness from the battery on out...
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post #3 of 15 Old 08-19-2018, 07:08 AM Thread Starter
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Wish I could get it to do this while on paddock stands so I could wiggle wires!
Glad I have a second bike to roll while hunting this GREMLIN!
Mike


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Originally Posted by ptcaflyer View Post
That sounds like electrical problems to me...start examining wiring harness from the battery on out...

2007 Blue DL650 V-Strom - running out of farkle's to do so bought the VEE
2006 SILVER DL1000 - Running out of Farkles also!!!
2017 EX300 Kawasaki Ninja
Las Vegas, NV
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post #4 of 15 Old 08-19-2018, 10:02 AM
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Quote:
Originally Posted by ptcaflyer View Post
That sounds like electrical problems to me...start examining wiring harness from the battery on out...
Ditto above, start with the battery connections and the ground especially. If that fails, put the bike in diagnostic mode and recheck the TPS switch calibration.

"If its not broke yet, it can still be fixed"
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post #5 of 15 Old 08-19-2018, 10:28 AM
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"Have lunch and bike has had an Hour+ to cool off sitting in rain and 80 degrees.
I don't even get a mile down the road and it starts up again, roll throttle wide open with clutch pulled and its sputtering and dying.
"

I also think that it is electrical. Hot and wet promotes corrosion. I'd first look for it in the connectors around the steering stem/faring. Then maybe switches like the kill switch or the sidestand switch etc. etc. etc. I dislike intermittent electrical faults.

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post #6 of 15 Old 08-20-2018, 07:30 AM
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Check the big white plug on the left hand side for corrosion/heat while you are at it.
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"You do your own thing in your own time"
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post #7 of 15 Old 08-20-2018, 09:23 AM
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This is just a small thing which may or may not have anything to do with your problem( dying, erratic speedo)
Check the charging system for a/c voltage. A defective voltage regulator/rectifier can introduce a/c voltage into the electrical systems, and can cause engine stalling, erratic gauge operation, poor running, etc.
This was outlined several years(decades?) ago in a Mazda technical Service Bulletin.
Youre looking for less than 500 millivolts a/c @ 2500 rpm.
Generally, bulletins like this are generated by warranty claims containing excessive diagnostic and repair costs.
A simple and quick test to perform, doesnt cost a thing.

Years ago one of my Mazda mentors made this statement: "There is no such thing as an intermittent problem. This is a problem that will only show itself under certain conditions. Your job is to duplicate those conditions so you can establish a pattern, repair, and verify the repair under those conditions."
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post #8 of 15 Old 08-20-2018, 09:37 AM
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It's an excuse to buy a new one. :-)

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post #9 of 15 Old 09-01-2018, 06:36 AM Thread Starter
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Not with my wife!
Her thinking is its a reason to get rid of one bike
Now that Im retired and play money is cut, a new bike is out of the question unless I pick up some part time work.
Im enjoying riding my lazy boy at the moment so not ready to get back out in the work force yet.
Mike

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It's an excuse to buy a new one. :-)

2007 Blue DL650 V-Strom - running out of farkle's to do so bought the VEE
2006 SILVER DL1000 - Running out of Farkles also!!!
2017 EX300 Kawasaki Ninja
Las Vegas, NV
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post #10 of 15 Old 09-01-2018, 06:47 AM Thread Starter
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SO update to progress.
Initial assessment nothing jumped out at me, but ground on battery was a little lose but not enough in my opinion to cause this.
Tracing electrical for any nicks and have almost whole main wiring harness pulled out and nothing noticed so far that could be rubbed and grounding out to frame.
I'm going on ahead and rewrapping the harness with red electrical tape as I go so I can easily see where I have inspected.
Did find a rub on line from power commander to injector loop so opening it up to see if wire coating is rubbed through and decide if that's the problem.
Will look into what was mentioned in post #7 after I get wiring back in bike.
Fortunately my 650 is running like a champ so I'm still logging miles and in no rush to get this repaired.
Also while tore apart figure out why my audiovox cruise quit working a couple of years ago.

Mike

2007 Blue DL650 V-Strom - running out of farkle's to do so bought the VEE
2006 SILVER DL1000 - Running out of Farkles also!!!
2017 EX300 Kawasaki Ninja
Las Vegas, NV
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