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Old 04-25-2014, 05:22 PM   #1
Andreas OP
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Location: Wasatch Front
Oddometer: 33
DRZ400 stalls,

Bike stalls after about a 5 block distance, maybe 7 if I'm fast. Then I have to push the bike back home. Have no idea what to do right now, who has fixed this problem??
history..........
We have 2 DRZ's, both have the exact same fuel, oil, maintenance, etc.
We just did white rim trail 5 weeks ago, no issues. 2 weeks ago we rode up the skyline road in salt lake city, up past the snow line, again no issues with either bike, then a few days later the 2007 just decided not to run anymore..5 to 7 blocks and then it just dies!! the 2004 runs great, even with a very diluted 50:1 gas mix, probably diluted by 5 factor,
Could we have gummed the Carb some how??? Going to use Gumout this weekend....unless someone has better advice.
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Old 04-25-2014, 06:22 PM   #2
DR-Zamboni
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have you checked the line for the vacuum petcock? sounds like you are using up the gas in the bowl and stalling cause theres no gas getting to the carb bowl. try riding the bike on the "prime" position. this will just open the petcock up like the "on" position on a non-vacuum petcock. if you can go without stalling on prime, you need to check the vacuum line and your petcock diaphragm.
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Old 04-26-2014, 04:49 AM   #3
Andreas OP
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DR-Zamboni .. I pulled the line and then opened the petcock....fuel ran nicely in the on and also in the Reserve position.. Our thoughts have gone to the Carb float, that it may be getting stuck somehow... not an expert here - just shooting into the dark
Thanks for the input
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Old 04-26-2014, 04:58 PM   #4
Andreas OP
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Diaphram

First we flushed the fuel system, cleaned as much as possible without tearing things apart. Bike started right up, no choke. Idled just fine for 5 minutes, so my friend thought it's safe to ride. watching him riding up and down the street was sorta comical, he's not a petite person..and it was raining.. getting cheeky he drove past the one block limit we agreed on, sure enough he pushed it back to my garage.

Oil really thin and light.. you experts can guess what the problem is. Now the bike is at the stealership getting fixed. Thanks for the input !!
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Old 04-27-2014, 06:36 AM   #5
todd83-900t
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Open the carburetor bowl drain *after* the bike dies. If there's no fuel you've found the culprit. It could be the gas cap, not allowing air in.
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Old 07-29-2014, 09:54 AM   #6
madrivermaz
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Location: nw Connecticut
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What was the fix?

I have a 2014 with 10 miles on it. 10 of the most aggravating miles of my life!

It went back to the dealer after .7 miles for the stalling problem. Naturally, they ran it, rode it, and it didn't fail. I get it home and 2 days later, 5 miles out, it stalls. It seems to do it when I shift all the way down to first for a traffic light or stop sign, like the idle is too low. That next 5 miles home, it was run, stall, run, stall....at each stop sign.
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Old 07-29-2014, 10:45 AM   #7
ADVill
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Kickstand switch? Gas cap not venting?
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Old 07-29-2014, 12:12 PM   #8
madrivermaz
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Quote:
Originally Posted by ADVill View Post
Kickstand switch? Gas cap not venting?
not kickstand switch. smooth paved road.

Will try running on prime tonight.
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Old 07-29-2014, 01:39 PM   #9
techno boy
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betcha it's the stator/rectifier.
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Old 07-29-2014, 05:39 PM   #10
madrivermaz
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Quote:
Originally Posted by techno boy View Post
betcha it's the stator/rectifier.
it has 10 original miles on it! It better not be stator/rectifier or the dealer will get an earful!

So, I took it for a ride tonight; petcock in Prime position. 20 miles. Voila! Ran perfect. Tomorrow night, petcock in run position, let's see what happens.

Of course it could just have needed a good blow out; I had even thought about running a capful of STP Gas Treatment through it. Used to work good after a long winter's nap.
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