Rain Problem???? - 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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Old 08-14-2008, 08:50 AM Thread Starter
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Rain Problem????

Hello everyone, I have a 2000 KLR 650 with approximatly 18,000mi on her. I was out on the bike the other day and got caught in the rain. Well it wasnt really raining that bad at first and I didnt start having a problem until it really down poured. Probably the hardest downpour I got caught in this year. I was going about 35-45 on a back rd. with alot of people behind me. The bike just started cutting out like I was running outa gas or something which i know it wasnt cause i had just filled up. Luckily i was kinda on a down grade/hill and was able to keep her moving..

I finally was able to keep her going barely enough to get to this small convenience store and I pulled in. It was still idleing. It didn't shut off but when I would give it gas it would cut out bigtime!! So my buddy and I parked there for awhile and got something to eat and waited out the rain and was trying to figure this out. Well the rain finally slowed up and pretty much quit. I figured I get get on her now and see if it was still doing that. Ran perfect!!!

Awhile back I thought that I read something on here about a similiar problem with someones bike. That they did a T-mod to correct that problem. Would that be the problem that I am having or do you think that it has to do with the wires??

Really appreciate any comments and suggestions anyone has...

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Old 08-14-2008, 10:31 AM
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Sounds like wiring.It could be the T-Mod,but doubtful. the t-mod is a 1.49 fix and could try it first.Sometimes mine would do that when raining hard and the T-mod fixed it.

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Old 08-14-2008, 11:07 AM
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I am the opposite, I would almost believe it is the T-mod issue, as you would have problems prior to rain causing the issue, but I have been known to be wrong way more times than correct, LOL.

At any rate, here is the t-mod procedure:

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Old 08-14-2008, 06:09 PM
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Bike stalls in the rain/deep water crossings
This is generally caused by submersion of the carbeurator vent line. This is a clear/transparent pink hose running from the side of the carb down to the bottom of the bike. If this gets clogged, the carb will fail to operate properly and the engine will quit. The best solution is known as the "T-mod:" install a tee in this line near the carb. Route the original line the way it was, and route a second line up under the seat or behind the fairing. Arrowhead Motorsports now sells a kit for this.
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Old 08-14-2008, 06:54 PM
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Or in an emergency, just pull the line off the carb. Not desireable, but might get you home. Hopefully, not trailing flames.
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Old 08-15-2008, 01:35 AM Thread Starter
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Thanks for the reply's

Thanks everyone for the great advice. Right now I just try to avoid getting caught in the rain but I know you cant always help that. So I will definatly have to try that mod sometime.. Thank you
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Old 08-17-2008, 10:12 PM
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Why not hose down the bike really good with water , then try and ride it? If it is an electrical or water related problem other than the T mod it should show up.
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Old 08-18-2008, 08:02 PM Thread Starter
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Yeah I have washed the bike and soaked it down really good since that has happened and it started right up. I think it might be the T mod thing, but thank you for the advice!!! I will have to try the T mod whenever I get around to it. That doesnt seem to be that hard to do..
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