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Post by lostforawhile on Oct 23, 2017 18:01:24 GMT -5
well I just wasted another two hours screwing with it, I put in the same jets it would run on with the old carb, idle mixture, isset 2 1/2 out, it should start and run, it will start if I kick start the hell out of it, but I have to crank the throttle open with the throttle cable, it will not idle on it's own, I have dismantled this entire carb, blown out every passage with carb cleaner and compressed air, nothing, if I get it to run, it runs for a minute,dies and won't restart. I have plenty of fuel in the bowl. I checked the float level it's fine.
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Post by RollingThunder on Oct 23, 2017 18:27:26 GMT -5
Is the plug wet when it dies? Have you tried running it without the exhaust?
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Post by lostforawhile on Oct 23, 2017 18:48:19 GMT -5
Is the plug wet when it dies? Have you tried running it without the exhaust? LOL I have a cherrybomb welded on to the remains of the factory muffler, after the converter inside clogged, so the exhaust might as well be removed, now, once again, no pickup coil voltage, I had swapped my old pickup in, after the new stator one was DOA, and it was working fine, I measured directly where it comes out of the stator. so another mystery. it was running a little while ago, but wouldn't idle. the carb settings are set to a known good configuration where it used to run |
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Post by RollingThunder on Oct 23, 2017 18:55:09 GMT -5
I guess we can rule out excessive back pressure! Lol So you're back to no spark? I know you're not getting any voltage, but I would be curious to know what the resistance reads on your trigger and the one that originally came on your replacement stator that was bad from the factory.
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Post by lostforawhile on Oct 23, 2017 19:04:02 GMT -5
I guess we can rule out excessive back pressure! Lol So you're back to no spark? I know you're not getting any voltage, but I would be curious to know what the resistance reads on your trigger and the one that originally came on your replacement stator that was bad from the factory. I'll let you know in a bit, I'm about to pull the stator to enlarge the pickup coil holes, it's too far from the flywheel magnet and no adjustment |
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Post by lostforawhile on Oct 23, 2017 21:59:29 GMT -5
I have to look for the new pickup, but the old one is an HC brand, I'm surprised it has any kind of numbers on it. it's got a coil resistance of 149 ohms, I'm going to enlarge the holes on the brackets so i can get it closer to the magnet
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Post by lostforawhile on Oct 24, 2017 16:49:42 GMT -5
I drilled the holes out on the pickup to .213 that should give me some play in the bolts to move the pickup, I'm about to pull the stator again to change the connector to a weather pack , my new bendix is here , if it turns out to be the starter motor, I'll have a spare bendix , I need to check cranking voltage again. if it's a bad motor, I'll be looking for one to buy, probably used as a good one is expensive ,while the case is apart I'll put in my new belt
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Post by lostforawhile on Oct 24, 2017 22:07:31 GMT -5
now it looks like my six month old battery is bad, fully charged it drops to 9 volts at the terminal when cranking, and slow cranking with the starter randomly stopping. It could be a bad starter but more then likely it's the battery.
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Post by greginisn on Oct 25, 2017 2:13:43 GMT -5
Lost,
Your battery voltage does seem too low, maybe a new battery will fix all. You seem to have checked all the likely suspects ad nauseum but have you given any thought to the idea you may have a super cruddy connector? Or maybe a bad crimp that is hanging together by a single strand of wire or just the insulation itself? Spooky stuff can happen to even quality made stuff, I’ve seen it, PRC made stuff might be even spookier. Give things a good looking over. One more thing is the possibility of a loose female contact. You might find one that needs a bit of a squeeze to better grip the male contact. Jeeze this is starting to sound a bit lurid but it seems you may not have checked these types of things.
Good luck, Greg
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Post by lostforawhile on Oct 25, 2017 6:23:35 GMT -5
Lost, Your battery voltage does seem too low, maybe a new battery will fix all. You seem to have checked all the likely suspects ad nauseum but have you given any thought to the idea you may have a super cruddy connector? Or maybe a bad crimp that is hanging together by a single strand of wire or just the insulation itself? Spooky stuff can happen to even quality made stuff, I’ve seen it, PRC made stuff might be even spookier. Give things a good looking over. One more thing is the possibility of a loose female contact. You might find one that needs a bit of a squeeze to better grip the male contact. Jeeze this is starting to sound a bit lurid but it seems you may not have checked these types of things. Good luck, Greg yea, I've actually replaced all those connectors in the ignition, the factory ones were crap, I checked everything with a good meter, the stator connections were replaced with weatherpack connectors. the battery may explain the slow cranking speed, but it should still start with the kick start, it will now start sometimes with it, but it won't run past the enricher if it runs, I put in both the original pilot jet and 85 jet that came with it, idle mixture is 2 1/2 turns out from seated. I have spark,fuel, timing, compression, valves checked, it should be running. |
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Post by greginisn on Oct 26, 2017 2:34:04 GMT -5
Could you disconnect the enricher to gain yourself more troubleshooting time. Would that be helpful? Your carb must be thinking it’s too lean if motor won’t run after enricher times out. Something sure is odd here.
Greg
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Post by lostforawhile on Oct 26, 2017 6:31:01 GMT -5
yea it just unplugs and it will stay in enrichment
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Post by lostforawhile on Oct 27, 2017 18:21:24 GMT -5
ok, the 6 month old battery tested bad, so I replaced it, tiny little battery was 30 bucks, and do it yourself acid, it still cranks slow, and randomly stops while cranking, I made up new cables from the battery to solenoid, and from the solenoid to starter. same thing, new bendix, so it has to be a crap starter, lets see, the stator, cdi, coil, battery, and starter all crapped out pretty much at once. I can kick start it if it's been sitting , but it still won't idle right, if I let off the gas it dies, if I turn down the idle to where the wheel stops spinning, it dies, everything in the carb is clean, no air leaks, 85 jet, and whatever pilot jet it came with, and it ran on that combination before, the only main difference is the unrestricted exhaust. the valves are set correctly. suggestion on a needle setting for those jets? it smells rich
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Post by km4nxa on Oct 27, 2017 18:37:09 GMT -5
I really feel for you man, I do. I was in same boat just little over a week ago. Checked everything from Tom dick and Harry's toenail circumference. Lucky enough to have multiple new and used parts laying around. Had a stator in that read great on meter. Put a nother new one in and pesto, fired right up.
This suggestion is kinda off topic compared to rest, but where you live....is there anyone else that rides? If you can find sometime with a running scoot, maybe start with basics. That way you know your trading parts that 100% run for ones that might be in question.
Throw up your zip code, might be surprised. Someone on here could be close.
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Post by km4nxa on Oct 27, 2017 19:06:16 GMT -5
Also, regarding your starter. You've had the bike long enough to tell a noticeable slower start electrically. That's more than likely your starter motor itself. One way to bypass that other than kick starting...take a good charged up drill and a 14mm socket(I believe, maybe 15mm) to your nut on the flywheel. I don't run any plastics, if you do you'll have to take off the cover and a fan I think. Either way, put the drill on the nut holding flywheel, have it in forward speed, and crank it that way. I do this every day. I used to crank it off the variator nut. Not sure if it's where the drill had to go in reverse using the variator side or what, but it seems to do a whole lot better using the flywheel side.
Know it's not going to cure your initial problem of idle, but...might help some after the kick starting incident. Kick starting over and over and over can cloud the brain with frustration when something is causing us problems. Causing the problem to get even bigger...imo
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