In southern Chile-Bike won't run - 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 17 Old 02-17-2011, 08:09 AM Thread Starter
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In southern Chile-Bike won't run

I have another thread about problems I've had recently.But let me start new.My 06 KLR650 quit running about 1400 miles ago,way north of Santiago.Finally got it running,and don't know what I did.!400 miles were perfect.Then IT came back.I had great support from this forum.But I never identified the problem.The bike quit in the middle of nowhere in the rain with little traffic.A guy with a small flat bed truck picked me up and took me to his small horse shed.I set my tent up inside and had a dry place to work.

What I have done so far:
I have a good strong spark.Even after it dies-when I get it running
My float is set very close to spec.There is gas in the bowl
I took the carb apart.Looks clean.Blew thru all orifices and jets that I could.
Dumped most of my gas (7 gallon tank)into a bucket.No debris or water.
I have vacuum(can't say how much.Feeling from petcock vacuum hose).
Feels like good compression with spark plug out and turning over.

The couple times I got it started I let it idle.After about 5 minutes it stops.Immediately with an old plug on the side of the motor I have a good spark.I open the float bowl drain,and it drains a lot.I pull the petcock vacuum line and put one end in a gas can to suck gas straight into the intake,and it doesn't start.10 minutes later this method starts the motor.And 5 minutes later it quits again.

Only thing left I can think of is a sticking valve.When it warms up,it sticks.Before leaving the USA the bike had 10,000 miles on it.I set all the valves to the widest gap that was still in spec.Thinking I could do this trip without need to readjust.!2,000 miles now.I haven't checked the clearance yet.But I don't suspect a clearance problem to cause this.I don't think it would be such an abrupt stop.Would appreciate any thoughts.I want to spend Christmas in the USA.My internet is spotty here.A town of less than 200.And it is hard to get time on the 2 computers at the gas station,if they are open and if the internet is working.

Desperate Doug
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post #2 of 17 Old 02-17-2011, 09:01 AM
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If you've burned a valve, or have a sticky one, compression would be compromised.

The KACR compromises a conventional compression test; a leak-down test would identify a defective valve.

You have spark; you have fuel; don't know about the third component of the triad, compression (all three necessary for the engine to run).

Again, starting fluid insures a combustible mixture; if she'll run on starting fluid, but not on gasoline, a carburetor/fuel system problem is likely.

The intermittent nature of your problem compounds diagnosis and repair; a challenge perhaps even for a competent shop.

Sounds like you've done about all a shade-tree mechanic might in the field; seeking some professional help may be the next best logical step (I'm not unmindful of your remote location).

---------------------------------

I might try a few long, brisk, powered tow-rope pulls, before I sought a camion para llevar el moto al proximo ciudad. (Truck to haul the motorcycle to the next city.)

Last edited by Damocles; 02-17-2011 at 09:38 AM.
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post #3 of 17 Old 02-17-2011, 09:11 AM
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Quote:
Originally Posted by Doogle View Post
The bike quit in the middle of nowhere in the rain with little traffic.
Seems to me that the water might've wet something (electrical). You say you have the IMS tank, correct? Ever since I switched over to the IMS tank when it rains some electrics on my bike get wet and cause it to stall. Might want to check your electrics on the right side by the horn.

Good luck and keep us posted.
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post #4 of 17 Old 02-17-2011, 11:29 PM Thread Starter
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I went to the town mechanic today.Well,his back yard.He seemed very competent though.With my tank off to check things,he used a bottle of his gas to run the bike.And it ran.Decided my gas was bad.Even though in a bucket I didn't see any water or debris.I put 4 new gallons on my 3 gallons.I rode about 170 miles with little trouble-as long as I kept the rpm up.2 times I stopped to take pictures and it stalled.The button wouldn't start it.Luckily I had a good down hill to get me going again.I'm hoping another fill up will prove that it is bad gas.That would be so much cheaper,faster,and easier than anything else.If you don't hear from me for a few days,you will know it was not the bad gas.And I will probably have my tent set up in the middle of nowhere trying to work on plan B.
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post #5 of 17 Old 02-17-2011, 11:57 PM
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well if you have the tank empty, pull the petcock out and get rid of the spring and diaphragm crap. cut a piece of tire tube and put it between the two pieces and giver a try.

02 klr - heated vest and grips, corbin dished, EM doo, petcock mod, MB PCV mod, stainless oil filter, bash plate, mayher hand guards, low mount fender, power socket, tall windscreen, jardine exhaust, jetted, studebaker shifter, magnetic plug, airbox mod, k&N, kenda knobbies, DIY pelicans, HID light
96 zx11 - bone stock - saving for a collector plate
2011 BMW f800 GS - [email protected] crash bars, altrider skid plate, barkbusters, kako, aeroflow med, heated corbin, wolfman, kenda big blocks
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post #6 of 17 Old 02-18-2011, 12:38 AM
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Could it be the kick stand safety switch failing?

Don't they fail sometimes leaving you stranded.

Info here -
http://www.bigcee.com/klr650faq.html#knownissues

and here -
http://www.klr650.marknet.us/safetyswitch.html

Another thing that would be rain related is also addressed in the BigCee website requiring the "T -Mod"

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Last edited by Cabrito; 02-18-2011 at 12:41 AM.
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post #7 of 17 Old 02-18-2011, 08:48 AM Thread Starter
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I did all the safety bypasses.And I have spark at the plug.
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post #8 of 17 Old 02-18-2011, 08:50 AM Thread Starter
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I don't have a flow to the carburetor problem.When it stops,I have a bowl full of gas or something that looks like gas.
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post #9 of 17 Old 02-18-2011, 09:07 AM
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Quote:
Originally Posted by Doogle View Post
I don't have a flow to the carburetor problem.When it stops,I have a bowl full of gas or something that looks like gas.
And you say you do not have a sticking float valve.

Sometimes, a float valve will stick CLOSED. In those cases, immediate action is to bash the carburetor, as in--remove seat, use stick or screwdriver, etc., to transfer blow to carb. BASH stick with hammer, rock, etc.

This procedure sometimes loosens stuck float valves, when stuck in the CLOSED position . . .
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post #10 of 17 Old 02-18-2011, 11:31 PM
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Quote:
Originally Posted by Doogle View Post
I don't have a flow to the carburetor problem.When it stops,I have a bowl full of gas or something that looks like gas.
just sayin' they are parts you dont need. i was getting fuel out of my line just fine, but didn't run until i swapped tanks (and then eventually gutted the petcock) much like your mechanic did.

02 klr - heated vest and grips, corbin dished, EM doo, petcock mod, MB PCV mod, stainless oil filter, bash plate, mayher hand guards, low mount fender, power socket, tall windscreen, jardine exhaust, jetted, studebaker shifter, magnetic plug, airbox mod, k&N, kenda knobbies, DIY pelicans, HID light
96 zx11 - bone stock - saving for a collector plate
2011 BMW f800 GS - [email protected] crash bars, altrider skid plate, barkbusters, kako, aeroflow med, heated corbin, wolfman, kenda big blocks
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