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Post by heruk on Jul 31, 2014 15:35:54 GMT -6
Can you get us a pic? It sounds like the crankcase vapor waste tube. It should have a plug in it and it needs to be emptied once in a while. See if a hose from the valve cover comes up and hooks onto your airbox.
I'm thinking you have a fuel delivery problem. I would have said it was your vent but you did the gas cap loosening test. Have you set the valves? You need to get that off of the table. Then I'd change the fuel filter and see what happens. The fuel vac valve might be bad, we'll check that after the fuel filter. Rich I do have that hose and I have visually inspected it. It passed the noob inspection. Will be setting the valves tomorrow I think. Do you guys have a decent video for tat procedure? |
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Post by Bashan on Jul 31, 2014 15:54:04 GMT -6
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A bike is music to my ears.
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Post by Guitarman on Jul 31, 2014 18:41:11 GMT -6
You can also just get a new carb off ebay that has everything already and not worry about drilling or other stuff.
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Post by heruk on Aug 1, 2014 17:54:48 GMT -6
It was the spark plug. Its an NGk with a bit of deposits on it. Looks like it may be fragmented over the insulation. I replaced it with an Autolite plug since the other would have to be ordered. Runs like a charm now.
You were telling me to check that so long ago too. I still get bfire on deceleration though. Not nearly as much however.
Thanks a ton guys!
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Post by Alleyoop on Aug 1, 2014 18:04:50 GMT -6
WOW!! that sucker is caked and hardly no gap good find bud, gap the new one to .028.
Ride safe
Aleyoop
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Post by Bashan on Aug 1, 2014 23:09:42 GMT -6
Backfire on decell can be exhaust header leak....check the gasket, or maybe the ACV valve on the right side of the carb. Check the vac connection and maybe the diaphragm inside. Actually, I just want you to experience trying to put the ACV back together, make a video of the same, and put it on here so we can laugh our collective asses off at the obscenities! I made one, I was banned by Youtube. 
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Post by heruk on Aug 2, 2014 16:16:07 GMT -6
would a new spark plug have anything to do with a scooter battery dying?
I couldn't start the bike this morning because I forgot to turn off the alarm switch and I haven't charged the bike in about 2 weeks.like a fool I took it off of the charger early to see if that was a problem. Upon realizing it was I took the battery back inside and started charging it again and of course it prematurely fully charged and started to maintain the battery.
after doing martial arts at the park for about 2 hours I tried to start the bike again with the alarm off and it would not start. and then assuming it was a spark plug a carburetor related started to Justin the idol and checking hoses and now my idol is all f***** up is there any way to or guideline for adjusting idle initially?I screwed that thing all the way in and almost all the way out. Lol then rolled it home and took off the battery to find that the battery is dead. I mean 0 percent.is there some kind of guidelines as to how far or how much turns the spark plug is supposed to be turned in? does that affect the battery at all?
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Post by heruk on Aug 2, 2014 16:18:45 GMT -6
lol Bashan I'm on a new road now. I'm a clean man. no obscenities for me.
what is an ACV by the way?
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Post by Alleyoop on Aug 2, 2014 16:55:43 GMT -6
Here is the ACV(Air Cut off Valve)valve on the carb, what it does is when your cranking on it and you let go of the throttle the motor creates a lot of suction and pulls the diaphgram inside and allows some fuel to be sucked in so that the motor does not run LEAN. If it Backfires it is LEAN, look for Vacuum lines that have ripps or crack in the Air Filter tubing or the Header Pipe where it connects to the motor is leaking.  |
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Post by heruk on Aug 2, 2014 18:37:05 GMT -6
thanks guys but I have to get this thing started and home before I can do anything else.
So i went to the bike and put the battery back in after it was charged to 100%. It started a couple times but stalled out while I was trying to set the idle to 1500. the starter started moving slow again and rather than killing the starter I took the battery out and home to recharge it again, lo and behold the battery is back to 0%.
can trying to start the bike for 10 minutes kill the battery?
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Post by Bashan on Aug 2, 2014 18:42:11 GMT -6
It shouldn't unless you cranked it continuously. How old is the battery, if it's 3 years old it's probably toast. Did you look at Alley's idle set under Air and Fuel in the Library? Your sparkplug won't affect the battery. Do you know how to check the charging voltage? There's a couple tutorials under Electrical in the Library.
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Post by heruk on Aug 2, 2014 19:04:33 GMT -6
It shouldn't unless you cranked it continuously. How old is the battery, if it's 3 years old it's probably toast. Did you look at Alley's idle set under Air and Fuel in the Library? Your sparkplug won't affect the battery. Do you know how to check the charging voltage? There's a couple tutorials under Electrical in the Library. yes I did crank it continuously not ignoring the 5 second rule of course but pretty much the whole time I was out there I was trying to get it started.the bike is a 2012 so I'm assuming that the battery is the same age or newer. I did look at your carb adjustment tutorial and alleys air ratio tutorial but I have not seen the charge voltage tutorial I'll check that out. |
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Post by Alleyoop on Aug 2, 2014 19:22:36 GMT -6
Does the scooter have a KICKSTARTER? Also does it want to start at all or does it just crank and crank and DOES NOT FIRE AT LEAST ONCE.
IF IT DOES NOT WANT TO FIRE AT LEAST ONCE, either take the plug out or take a spare with you and CHECK IF IT IS GETTING SPARK. Hold the plug on the motor not on the frame. If it is getting spark then put it back in just crank if a couple of times and IF IT DOES NOT FIRE AT LEAST ONCE take the plug out and see if it is WET OR DRY.
IF WET THE PLUG IS NOT FIRING, IF DRY NO GAS IS GETTING SUCKED IN.
Have you checked the KILLSWITCH make sure it is on the RUN POSITION also make sure the sidestand it up some have a killswitch on the sidestand.
Seems the battery you have has a low rated CCAs(COLD CRANKING AMP)with those batteries you do not get to many cranks at a good clip and then it starts to die and turn the motor over very slow and your did in the water.
Alleyoop
P.S The charge voltage forget about it now the motor is not running. The charging system only charges your battery AS the motor is ruuning. So do not even bother with that.
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Post by heruk on Aug 2, 2014 22:42:53 GMT -6
thanks pooo,
I actually cranked it until the battery died.I read the idle adjustment guide and turned it two and a half turns from all the way down and it fired right up after the battery was charged. I then rode around town for about 15 minutes and came back, adjusted idle to about 1500, rode around for another 5 minutes and it was back to 2000rpms which I'm not totally unsatisfied with being that it's midnight in my lil ol neighborhood. I won't mess around with the bike until tomorrow but I'm glad I'm up and running again.
I did however grow concern for my spark plug and its compatibility with the ngk c7hsa. I cross referenced my autolite 4194 online and found that it is actually comparable to the ngk c8hsa and not the c7hsa. Is that okay? the heat range on the c8hsa is 8 as opposed to the recommended 7. I don't want to ruin anything else
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Post by Alleyoop on Aug 2, 2014 23:33:39 GMT -6
Well run with it and see if gets fouled and or starts running lean on you if so get a C7 the hotter plug.
Alleyoop
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..BAD TO THE BONE..
