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Old 06-19-2013, 07:31 AM   #1
Honkylicious OP
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Question KLR hiccups, and I sigh

I'm sure it's carb related, right?
Here's the rundown, I'll try to keep it brief:

I start the bike this morning w/o the choke, idles as normal. I let the bike warm up, and take off. Around 3-4k rpms, the bike seems to be starving for power, pull the choke full and it runs better, not good, just better. I stop and get gas. Leaving the pump and pulling onto the street, the bike is still doing the same. Note that the bike still idles as normal w/o the choke. Cruises down the street fine around 2500 rpms. I took the bike down the interstate for about 2 miles, ran it up to 65mph, turned off the choke. That really didn't seem to make much difference, the bike just felt a starved for power. Staying at one speed, the bike runs okay on flat ground, try to go uphill or accelerate, not to smooth.
I can give more details if needed. It's been a while since I've worked on a carb., and never on this bike. I've had similar experience before with this bike. It was taken care of at the dealership, as it was time for valve adjustments and the sort. It's time for the valve adjustment and tune up, coincidence? I plan to put the bike in the shop in the next few weeks, but would like to get a better understanding of the problem.

Thanks ADVers
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Old 06-19-2013, 07:34 AM   #2
shane.barton
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My guess would be a clog in the main jet.
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Old 06-19-2013, 07:52 AM   #3
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Thumb Thanks Shane!

Sounds like a good guess to me, any new technology out there to clean jets without removing the carburetor?
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Old 06-19-2013, 07:56 AM   #4
Ridge
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The KLR's carb does not need to be removed and can be spun in place to access the jets and clean the float bowl. Just disconnect the choke plunger cable (be careful to not crack the plastic housing), disconnect the throttle cables and disassemble. This would also be a great time to install a KLX needle and re-jet it for improved throttle response throughout the range.
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Old 06-19-2013, 08:08 AM   #5
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Quote:
Originally Posted by Ridge View Post
The KLR's carb does not need to be removed and can be spun in place to access the jets and clean the float bowl. Just disconnect the choke plunger cable (be careful to not crack the plastic housing), disconnect the throttle cables and disassemble. This would also be a great time to install a KLX needle and re-jet it for improved throttle response throughout the range.
Thanks Ridge,

Re-jetting would be a good idea when I replace the stock muffler with something better right? ( two brothers, leo & vance, ect.) Do I just take out the old needle, and slide the new one in?
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Old 06-19-2013, 08:18 AM   #6
Ridge
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The KLR has very poor jetting from the factory and all models will benefit from the KLX needle with a new main jet. I'm currently setup with KLX needle. Brass washer on top, one shim underneath, clip at second position. 140 main jet, stock exhaust, snorkel removed, stock airbox, UNI air filter.

Buy it from the source... (not affiliated, just a satisfied, long-time customer)

http://www.eaglemike.com/KLX-jet-kit-KLXJK.htm

Easy DIY source:

http://www.klr650.marknet.us/carbairmixture.html
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Old 06-19-2013, 08:27 AM   #7
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Thanks a lot Ridge, I'll check out the links. Maybe I'll do this before I take it for the valve adjustment, just incase I screw up something
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Old 06-19-2013, 08:33 AM   #8
Ridge
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You're quite welcome. The KLR is a very easy bike to wrench on so long as you have some patience and a good set of tools.
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Old 06-19-2013, 08:37 AM   #9
Outwardbound
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Mine seemed down on power much like yours. I found a small tear in the carb diaphragm. If you find this to be the case, buy a replacement from Harley rather than KAW. The HD piece was 1/3 the KAW price for the same thing.
It was a long time ago so I forget the stock number.
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Old 06-19-2013, 09:30 AM   #10
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Quote:
Originally Posted by Outwardbound View Post
Mine seemed down on power much like yours. I found a small tear in the carb diaphragm. If you find this to be the case, buy a replacement from Harley rather than KAW. The HD piece was 1/3 the KAW price for the same thing.
It was a long time ago so I forget the stock number.

Thanks for the tip!
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Old 06-19-2013, 02:14 PM   #11
SkiBumBrian
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You might get lucky running some Seafoam through it.... It can work miracles....
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Old 06-19-2013, 02:32 PM   #12
chambersc
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I have a Harley, among other things, and I think this is the first time I have ever heard the words spoken "buy from Harley, its cheaper"

The end of the world may be near.

Quote:
Originally Posted by Outwardbound View Post
Mine seemed down on power much like yours. I found a small tear in the carb diaphragm. If you find this to be the case, buy a replacement from Harley rather than KAW. The HD piece was 1/3 the KAW price for the same thing.
It was a long time ago so I forget the stock number.
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