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getting frustrated, bike wont start again.

  • Thread starter Thread starter Quest
  • Start date Start date
mrbill5491 said:
Okay the last few posts are pretty much the same things I had suggested. What say you now?
Click to expand...

Did I miss something I thought he said the bike just shuts down while riding and then wont start back up how is that a carb problem. Maybe a petcock problem but I don't see a carb problem here. I think he fried something jump starting it after he fixed the carbs
I myself have never ever had to dip carbs to clean them.
 
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How many of the other posts mentioned his carbs as well? He said he sprayed them out and they look clean inside. He really didn't fix anything. Don't forget this is 30+ year old bike and some other issues may be involved in this as well.
 
mrbill5491 said:
How many of the other posts mentioned his carbs as well? He said he sprayed them out and they look clean inside. He really didn't fix anything. Don't forget this is 30+ year old bike and some other issues may be involved in this as well.
Click to expand...

The carbs might need more or better cleaning but he needs to find out why it is just shutting down first then make sure the carbs are right.
If he just cleaned the carbs and did not install a fuel filter he could have sucked some dirt in the pilot jet and that would cause it not to start but not just shut down while riding and not start back up after sitting for a while
 
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stetracer said:
The carbs might need more or better cleaning but he needs to find out why it is just shutting down first then make sure the carbs are right.
If he just cleaned the carbs and did not install a fuel filter he could have sucked some dirt in the pilot jet and that would cause it not to start but not just shut down while riding and not start back up after sitting for a while
Click to expand...

And that's why I suggested he look at his electrical connections clean, replace etc and do a quick charging test. Process of elimination, remember air/fuel/spark.
It could be one of these or combination.
 
I guess we need more info also we have asked a few questions but he has yet to answer them. Rpm it dies at? How he jumped it? What is his battery voltage? Are a few. I assumed he checked all the electric connection after you said something. A lot of bikes will not run right with a bad battery even after it is jump started and if he jump started it with a running car I sure he cooked something
 
An old locally famous mechanic once told me that 90% of all carb problems were electrical. In other words, get the juice in order before you touch anything else. I understand that it's fine to go thru the carbs and a valve adjustment when resurrecting old stuff, but it's still all for naught if the fire is not reliable. I have purchased good stuff that the PO thought was shot because the electrics were screwed.
 
stetracer said:
I guess we need more info also we have asked a few questions but he has yet to answer them. Rpm it dies at? How he jumped it? What is his battery voltage? Are a few. I assumed he checked all the electric connection after you said something. A lot of bikes will not run right with a bad battery even after it is jump started and if he jump started it with a running car I sure he cooked something
Click to expand...

Yup, I agree. And he could have cooked something for sure. I cringe when some says they jumped their bike, I just say to myself, oh lord, hope what ever it was they jumped from was off at the time.
 
I jumped iy with a car what could be fried? How do i check?

Yes i did i did not take the carbs completely apart to clean them. But I didnt clean them because i thought that was the problem, i just cleaned them because i had them out while rejetting. Im almost positive the problem why its not srarting isnt the carbs because it ran perfect then just dies as if a plug was pulled or someone flipped the off switch. I dont know much about motors but if it was a carb problem it wouldnt ryn perfect then just die.

The bike would suddenly just die after running good. No putting or hesitation just die. Or it wouldnt start after running for a while. If i came back to it after a few hours it would start back up and be fine. It only happend a few times but got more often.

I bought a RR and it seemed to fix the problem. I rejetted it and had it running smooth as butter, road it for a few days and then it wouldnt start after a short trip to lowes. It finally started and i road it home. It Ran fine for a couple days then wouldnt start again. Next day started so I took it to the car wash. i tried to to leave and it had trouble starting. i waited a while then it started up but when i went to take of it just died and i had to push it home. It seemed to rev fine before it died but though.
 
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Sounds like you might have fried your R/R. Did you have the car on when you jumped it? The extra voltage from the car battery will get shunted by the R/R to ground and you could have overloaded the zener diode in the R/R and fried it causing your battery to no longer charge.
 
Quest said:
I jumped iy with a car what could be fried? How do i check?
Click to expand...

Hopefully you didn't have the car running at the time. Even if it wasn't running you could have fired something, sometimes it happens and sometimes not, just depends how you lucked out. Remember a car battery has upwards of 500+ cranking amps. Compare that to your bike battery starting amps. When all those amps hit your electrical system on your bike, well bad things can happen. You probably need to check your fuses, connections, and RR. See if anything fused together, burned/shorted out. What type of RR did you buy?
 
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Batt voltage reads 11.7

The carbs are getting fuel from the tank for sure.

I checked for spark and the plugs are giving spark.

When I go to turn it over it does not try to start or cough at all just cranks.

Could i have killed the RR?
 
As a general rule, sudden and intermittent changes are usually always electrical. I agree to leave the carbs alone for a moment till it is at least running again. Pull a plug screw driver into the end and hold close to engine block. Crank engine and see if you are getting a consistent spark . The spark should also be blue and not yellowish. Check 1-4 as well as 2-3.
It probably is not firing.
 
Quest said:
Batt voltage reads 11.7

The carbs are getting fuel from the tank for sure.

I checked for spark and the plugs are giving spark.

When I go to turn it over it does not try to start or cough at all just cranks.

Could i have killed the RR?
Click to expand...
Anything under 12 volts your ignition is not going to work properly.
A motorcycle battery is a 14 amp battery and and should not be placed on a 500 amp car battery and if the car was running then even more amps was sent to that poor little battery
 
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Do the first part of the quick test to see how much you battery drops under the fixed load. If you are 11.7v no load that is not good and you need to charge the battery. The R/r can come later after it is running and you complete the quick test.
 
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