Start/running issue - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 15 Old 09-10-2018, 02:26 AM Thread Starter
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Join Date: Mar 2018
Location: Cape Town, South Africa
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Start/running issue

I am stuck with the following: I went on a ride on Saturday, 95 km on farm tracks, quite muddy, 50/50 tires so there was a bit of (slow speed) falling going on. I immediately switched the engine of after each fall but it took longer and longer (max 1 min) to pick the bike up.
After the third fall the bike struggled to start and once running it would idle but die when twisting the throttle. I waited for approx. 5 min and the she would run again. She cut out twice afterwards while riding and not after being on her side. The last time she would not start at all, only after I pulled the enricher she would start and rev at about 3000 rpm. When I disengaged the enricher she would idle but die under throttle. After 10 min I got her going and made it back to the parking. Then I rode her home on tar (140 km at between 100 and 120 km/h) and she did not miss a beat.

Question: Any idea what caused this behavior? The temperature gauge was in the middle, the fan never came on so I doubt she was running too hot. And yes I had plenty petrol. I am running a stock air filter, aftermarket exhaust but with db killer and have taken the snorkel out of the airbox. I had the bike for 2000 km and never had an issue before.
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post #2 of 15 Old 09-10-2018, 02:29 AM Thread Starter
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pics

Here some pics of the muddy monster
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File Type: jpg IMG_3243.JPG (160.9 KB, 28 views)
File Type: jpg IMG_3246.JPG (138.8 KB, 22 views)
File Type: jpg IMG_3244.JPG (197.3 KB, 23 views)
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post #3 of 15 Old 09-10-2018, 07:25 AM
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Garage
Nice...that's the way to use a KLR.

Leave it dirty, looks better.

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1
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post #4 of 15 Old 09-10-2018, 07:42 AM
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Sounds like it could be a sticking float. Just for fun, run a couple of tanks with sea foam in the fuel. I use 2 oz per gallon, but that is more than recommended if I remember correctly.

As for leaving the bike dirty, that may look "cool" and you may look badazz, but it makes it nearly impossible to spot potential problems with the bike such loose, missing nuts/bolts or broken parts etc.
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Last edited by rdstrain1949; 09-10-2018 at 07:46 AM.
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post #5 of 15 Old 09-10-2018, 07:58 AM Thread Starter
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clean again

Quote:
Originally Posted by rdstrain1949 View Post
Sounds like it could be a sticking float. Just for fun, run a couple of tanks with sea foam in the fuel. I use 2 oz per gallon, but that is more than recommended if I remember correctly.

As for leaving the bike dirty, that may look "cool" and you may look badazz, but it makes it nearly impossible to spot potential problems with the bike such loose, missing nuts/bolts or broken parts etc.
Thanks for the info. Will see if I can get Sea Foam in South Africa. As to the dirty bike, I cleaned her straight after I got home. The amount of mud was beyond funny.
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File Type: jpg IMG_3254.JPG (162.0 KB, 11 views)
File Type: jpg IMG_3253.JPG (178.7 KB, 10 views)
File Type: jpg IMG_3260.JPG (146.6 KB, 9 views)
File Type: jpg IMG_3259.JPG (154.1 KB, 9 views)
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post #6 of 15 Old 09-10-2018, 08:01 AM
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Doesn't have to be Sea Foam. Any good fuel system cleaner should help. If it will clean injectors, it should be good for sticking floats.

Re mud, brother do I understand that.
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post #7 of 15 Old 09-10-2018, 08:29 AM
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Check your oil, you may have dumped fuel in there from laying over.

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post #8 of 15 Old 09-10-2018, 08:38 AM Thread Starter
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fuel in oil

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Originally Posted by ntklr650 View Post
Check your oil, you may have dumped fuel in there from laying over.

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How would it have gotten into the oil? How do I find out if I have fuel in the oil. The level in the glass check window looks like before. Bike is not using any oil since I have her.
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post #9 of 15 Old 09-10-2018, 08:59 AM
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If your level looks the same, you are probably fine. If the float sticks, you can dump gas down on the Piston and it runs past the rings down into the oil. When you change the oil, you will smell it in there if it has happened.
Quote:
Originally Posted by Lars Kessel View Post
How would it have gotten into the oil? How do I find out if I have fuel in the oil. The level in the glass check window looks like before. Bike is not using any oil since I have her.
Sent from my Moto G (5) Plus using Tapatalk
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post #10 of 15 Old 09-10-2018, 05:45 PM
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Lars Kessel,
Is your fuel tap still the OEM Vacuum operated Automatic shut-off model? Or have you converted to a manual shut-off?

A manual shut-off fuel valve will continue to flood thru the carburetor jets and into the intake port & into the clean air box while the bike is laying on its side. Excess fuel pooled in the air filter box will cause an engine to run rich for sometime, as it is 'breathing' the vapors.

One could/should temporarily remove the cap plug on the clean side air box drain hose (down by the brake pedal pivot) to purge any excess flooding.
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