2018 KLR cutting out? - Kawasaki KLR 650 Forum
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post #1 of 13 Old 09-01-2019, 07:41 PM Thread Starter
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2018 KLR cutting out?

I have a 2018 KLR with 3k miles on it. I went on a 280 mile offroad ride this weekend and everything was great until i decided to give it some throttle (1/2-3/4) and noticed it was cutting out really bad. I decided to try it again on a flat surface and I kept having the issue. I also tried it with a higher rpm (shifted down) and same results. When I finally got on the highway to head back i couldn't go faster than 65mph without it cutting out. It also feels like I've lost power. I thought maybe it was due to the elevation (~4k feet) but my brothers KLR ran perfectly fine. I'm not sure what i should check or look for?

Thanks
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post #2 of 13 Old 09-01-2019, 08:48 PM
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Check the carb vent line (pinkish hose under the seat) and make absolutely it is clear of fuel from end to end.

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post #3 of 13 Old 09-02-2019, 07:22 AM
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Indeed as Tom suggested, the engine cutting out in high fuel demand situations sounds like a fuel delivery problem. In addition to verifying a clear carburetor vent hose you should also check the petcock for a vacuum leak.

However, I would not count out an electrical problem. When the engine "cuts out" does the tachometer needle flicker abnormally? If so, you probably have an electrical problem.

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post #4 of 13 Old 09-02-2019, 10:57 AM
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Good point on the electrical issue. The most common is probably loose battery cables.

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“Neither of the two people in the room paid any attention to the way I came in, although only one of them was dead.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte


Sting like a butterfly.
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post #5 of 13 Old 09-02-2019, 01:43 PM
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Notably on old British bikes 90% of all carburetor problems are electrical.

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post #6 of 13 Old 09-02-2019, 02:38 PM
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“What an Amal point of view”, Tom said in a princely fashion.

Yeah, reaching a bit for a Swiftie.

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“Neither of the two people in the room paid any attention to the way I came in, although only one of them was dead.” -Philip Marlowe

“'Why' and 'How' are words so important they cannot be too often used.” -Napoleon Bonaparte


Sting like a butterfly.
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post #7 of 13 Old 09-02-2019, 04:26 PM
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280 miles leading the pack or following the pack? On extremely dusty roads, this could be a simple matter of cleaning/servicing a severely choked up air filter.

BE Certain to Thoroughly Re-Oil the air filter after cleaning & drying.

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post #8 of 13 Old 09-02-2019, 06:41 PM Thread Starter
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Yeah I feel stupid...




I cleaned and oiled it at 872 miles sometime last year. I typically follow instead of lead. Is there a prefilter available or just need to be frequent on air filter cleaning?

Rode to work and it runs great now

Last edited by Hagan; Yesterday at 04:17 AM.
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post #9 of 13 Old Yesterday, 10:23 AM
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Quote:
Originally Posted by Hagan View Post
Yeah I feel stupid...




I cleaned and oiled it at 872 miles sometime last year. I typically follow instead of lead. Is there a prefilter available or just need to be frequent on air filter cleaning?

Rode to work and it runs great now
That filter looks quite dry.

I believe that you NEED to use More Oil in your foam filter. Enough to be able to squeeze at least a few drops back out between your fingers. When the dust Absorbs the oil from a very lightly oiled filter, the super fine talcum powder begins to pass by!

Inspect often when riding in groups & service as often as needed. Some people carry a second pre-oiled air filter in a Zip-Lock bag on longer group rides.

pdwestman
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post #10 of 13 Old Yesterday, 10:44 AM Thread Starter
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Originally Posted by pdwestman View Post
That filter looks quite dry.

I believe that you NEED to use More Oil in your foam filter. Enough to be able to squeeze at least a few drops back out between your fingers. When the dust Absorbs the oil from a very lightly oiled filter, the super fine talcum powder begins to pass by!

Inspect often when riding in groups & service as often as needed. Some people carry a second pre-oiled air filter in a Zip-Lock bag on longer group rides.
Thanks!

I've been using Bel-Ray foam filter oil. It was still sticky underneath all the dust. I will make sure I have more on it this next time around. I'm worried I'll get too much oil on the filter and it will get sucked into the intake.

I'll order another filter.
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