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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 11 Old 06-25-2013, 11:10 PM Thread Starter
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So I just put fuses (10 amp) into my klr 650. It will start but if I hit the throttle it sputters and dies. I looked at the fuses I took out and they have 20A on the top. I am assuming I bought the wrong amp fuse and must go get 20 amp fuses. Correct? Is that the amp fuse you use in a 650 klr? Or am I completely off base?
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post #2 of 11 Old 06-25-2013, 11:38 PM
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The main is a 20A fuse, the headlight is a 10A. Many folks put a larger fuse in the headlight circuit because the Gen I KLRs have a headlight switch that can momentarily allow both the high and low beam to be on at the same time. That tends to blow the headlight fuse.

For future reference, here's a spec sheet for the Gen I, including a wiring diagram.

I don't know if they use a 15A or a 20A fuse; someone will be along shortly to give the right answer...

However, that shouldn't be the cause of your sputtering and dying issue. that's likely a dirty carb. Gen I bikes don't need the battery to run. Am I correct in assuming that once you replaced the fuse, it's not blowing again?

T

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Last edited by Tom Schmitz; 06-25-2013 at 11:42 PM.
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post #3 of 11 Old 06-25-2013, 11:45 PM Thread Starter
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OK. Replaced the main fuse. No it wasn't still blowing the fuse. Not even the 10 amp in the main slot. Its still not starting but I have power and it sounds like its having trouble getting that last roll over. Maybe I did flood it. I'll wait till morning and give it another go.

Last edited by crackbottom louis; 06-26-2013 at 12:04 AM.
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post #4 of 11 Old 06-26-2013, 12:08 AM Thread Starter
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As far as a dirty carb it might be. I've only had the bike 2 days but the first day I had the bike it ran great. 85-90 on the highway and rode well along back roads as well. Only trouble I had was that wiring harness connection which I have now cleaned.
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post #5 of 11 Old 06-26-2013, 12:10 AM
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Originally Posted by crackbottom louis View Post
Blowing? Don't know the term. I'm about to replace the main fuse and see if that clears it up. Thanks for the advice
How would you describe the condition of a good fuse that fails in a millisecond? We Yanks would call that a fuse "blowing" out.
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post #6 of 11 Old 06-26-2013, 12:20 AM Thread Starter
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How would you describe the condition of a good fuse that fails in a millisecond? We Yanks would call that a fuse "blowing" out.
Yeah. That was a dumb comment. Thought he was talking about something besides fuses. As soon as I thought about it I realized he was talking about the fuse and came back to get rid of that post before I got laughed at. Guess you were quicker.
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post #7 of 11 Old 06-26-2013, 12:31 AM
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If the engine is laboring to turn over, the battery is bad.

If it is not laboring but won't fire (and it ran fine before) and you think it is flooded, you can help that along by holding the throttle wide open while trying to start it. That will hold the butterfly open and allow more air in, which often does the trick on a flooded engine. It's a constant velocity carb, so it won't behave like a standard carb, but it will help.

If the bike hadn't been run much before you got it it could have had some crud that got loose and is blocking a circuit in the carb. Best fix for that is to break it down and soak it in carb cleaner or PineSol and reassemble, but SeaFoam may do the trick if you can get it running well enough to ride it for a few hours.

T

Tom [email protected]

“Some days I feel like playing it smooth. Some days I feel like playing it like a waffle iron.” -Philip Marlowe

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

Sting like a butterfly.
Noli Timere Messorem
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post #8 of 11 Old 06-26-2013, 12:34 AM
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Originally Posted by crackbottom louis View Post
Yeah. That was a dumb comment. Thought he was talking about something besides fuses. As soon as I thought about it I realized he was talking about the fuse and came back to get rid of that post before I got laughed at. Guess you were quicker.
Nah, wasn't laughing at you. We in diff parts of the country have diff wordings of the language, and was curious as to that one. I have many friends South of the border (Ohio River) and am always pleasantly surprised by many of their meanings.
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post #9 of 11 Old 06-26-2013, 12:36 AM Thread Starter
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Originally Posted by Tom Schmitz View Post
If the engine is laboring to turn over, the battery is bad.

If it is not laboring but won't fire (and it ran fine before) and you think it is flooded, you can help that along by holding the throttle wide open while trying to start it. That will hold the butterfly open and allow more air in, which often does the trick on a flooded engine. It's a constant velocity carb, so it won't behave like a standard carb, but it will help.

If the bike hadn't been run much before you got it it could have had some crud that got loose and is blocking a circuit in the carb. Best fix for that is to break it down and soak it in carb cleaner or PineSol and reassemble, but SeaFoam may do the trick if you can get it running well enough to ride it for a few hours.

T
How much of a pain in the butt is getting the carb off to clean on these bikes? And what is seafoam?
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post #10 of 11 Old 06-26-2013, 01:19 AM Thread Starter
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Originally Posted by grasshopper green View Post
Nah, wasn't laughing at you. We in diff parts of the country have diff wordings of the language, and was curious as to that one. I have many friends South of the border (Ohio River) and am always pleasantly surprised by many of their meanings.
I'm such a noob to bikes and mechanics in general I'm bound to make someone laugh sooner or later. If I hear any southern phrases you may like I'll be sure and pass em on
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