Wilsons Sandbox

> > He was riding along at a moderate city speed and it just stumbled > twice and quit. That's it. It hasn't started since. He hasn't had > any work done on it lately and he rides it just about every single > day problem free and has never had the thing NOT start. > > > What we have done. > > > Checked the fuel tank. Half full. > Checked that the petcock was operating correctly by hooking up > another vacuum and fuel line and I sucked on the vacuum hose. Fuel > came out immediately. > Checked that there was fuel in the float bowl by opening up the drain > screw. Alot of fuel came out. > Checked that the fuel was flowing through the clear fuel filter as we > were cranking on the starter. > Checked for spark with the plug out many many times. > > Checked the plug wire connections at the coil and spark plug boot. > Checked the plug wire. > Checked the choke cable. > Checked the oil level. That was very low, below the bottom of the > window. Bill was surprised at that. > Checked the filter. It was dirty but not clogged solid. > We cranked the motor till his old battery pretty much died so we then > threw in a brand new one out of another bike that was there. It > would just crank and crank and crank. We heard occasional soft > backfires on some of the cranking sprees. We could smell fuel coming > out of the muffler. > We plugged in another rectifier that was there too, just cause we > could. Nothing. We pulled the valve cover off and checked the cam > chain, timing of the cams, and checked the valves too. Only the left > intake was on the tight side just out of spec. Twice, we poured a > little fuel in the spark plug hole and put the plug and tank back on > and cranked it. Nothing. We scratched our heads and made concerning > faces. THAT didn't help. We checked for loose wires. > > The lights all work, we have spark, we have fuel in the carb, and the > thing cranks like an old chrysler with vapor lock on a hot day. We > are going nuts. Any ideas?? > > The only thing that I can think of now is that something is clogged > in the carb. But I can't believe that something could get in there > while riding and just shut the whole thing down right now and not let > it start again. I'm really determined to figure this thing out and > need your help guys! > > MrMoose and Bill > >

> >The lights all work, we have spark, we have fuel in the carb, and the >thing cranks like an old chrysler with vapor lock on a hot day. >

>Keith, > >If all of that is like you say it is, I'd pull the LH cover to make sure the flywheel hasn't come loose and 'jumped time.' >

> > > gbyoung2@m... wrote: > > >Keith, > > > >If all of that is like you say it is, I'd pull the LH cover to

> > > > Where's the woodruff key if that happened? A timing problem is a

> question, but I can't imagine that havoc that a loose rotor would

> > Devon

> >gbyoung2@... wrote: > >>Keith, >> >>If all of that is like you say it is, I'd pull the LH cover to make sure the flywheel hasn't come loose and 'jumped time.' >> > >Where's the woodruff key if that happened? A timing problem is a logical >question, but I can't imagine that havoc that a loose rotor would cause. > >Devon

--- In DSN_klr650@yahoogroups.com, kdxkawboy@a... wrote: > In a message dated 2004-06-07 10:55:09 PM Pacific Daylight Time, > k.saltzer@c... writes: > > > > > He was riding along at a moderate city speed and it just stumbled > > twice and quit. That's it. It hasn't started since. He hasn't had > > any work done on it lately and he rides it just about every single > > day problem free and has never had the thing NOT start. > > > > > > What we have done. > > > > > > Checked the fuel tank. Half full. > > Checked that the petcock was operating correctly by hooking up > > another vacuum and fuel line and I sucked on the vacuum hose. Fuel > > came out immediately. > > Checked that there was fuel in the float bowl by opening up the drain > > screw. Alot of fuel came out. > > Checked that the fuel was flowing through the clear fuel filter as we > > were cranking on the starter. > > Checked for spark with the plug out many many times. > > > > Checked the plug wire connections at the coil and spark plug boot. > > Checked the plug wire. > > Checked the choke cable. > > Checked the oil level. That was very low, below the bottom of the > > window. Bill was surprised at that. > > Checked the filter. It was dirty but not clogged solid. > > We cranked the motor till his old battery pretty much died so we then > > threw in a brand new one out of another bike that was there. It > > would just crank and crank and crank. We heard occasional soft > > backfires on some of the cranking sprees. We could smell fuel coming > > out of the muffler. > > We plugged in another rectifier that was there too, just cause we > > could. Nothing. We pulled the valve cover off and checked the cam > > chain, timing of the cams, and checked the valves too. Only the left > > intake was on the tight side just out of spec. Twice, we poured a > > little fuel in the spark plug hole and put the plug and tank back on > > and cranked it. Nothing. We scratched our heads and made concerning > > faces. THAT didn't help. We checked for loose wires. > > > > The lights all work, we have spark, we have fuel in the carb, and the > > thing cranks like an old chrysler with vapor lock on a hot day. We > > are going nuts. Any ideas?? > > > > The only thing that I can think of now is that something is clogged > > in the carb. But I can't believe that something could get in there > > while riding and just shut the whole thing down right now and not let > > it start again. I'm really determined to figure this thing out and > > need your help guys! > > > > MrMoose and Bill > > > > > > Everything you've tried has me thinking gas is not the problem. It is either > the timing of the spark, or the spark is breaking down under compression. I > would be suspicious of the ignition system. Be checking the timing pickup, coil > and black box, perhaps swapping parts between your bike and Bill's to confirm. > > > Pat > G'ville, Nv > > > [Non-text portions of this message have been removed]

>I was on the right hand side watching the cams turn, and we took out >the crank plugs on the left, and I believe Keith saw the TDC mark >come up at just the right time. Wouldn't that indicate the rotor is >on correctly? >

> >The bike run just fine for a long time until it sputtered and died >yesterday, but has not fired since. > >

> >The bike run just fine for a long time until it sputtered and died > >yesterday, but has not fired since. > > > > > Have you swapped out the CDI? > > Devon