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Post by rockville9 on Jul 28, 2014 8:46:48 GMT -6
went in and took a look. the chain tension screw had come out. oil can leak if that screw isn't in all the way, right? well, i put it back, filled put some more oil in, and hopefully, that's it.
still not happy with excel, but would rather deal with that when i have to adjust the valves again, which i have heard needs to be done every 500mi or so. that should take me thru august.
thanks for your help. i'm probably going to start looking through the "how to adjust the brakes" posts.
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Post by rockville9 on Jul 25, 2014 8:22:45 GMT -6
oil was low. i filled up this morning.
i'll have to take some plastic off so i can get a look at everything. i was thinking the valve cover also. i have a new gasket, but maybe i didn't tighten the bolts enough? i read that over tightening on these machines is bad, so i might have to tighten a little.
ugh.
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Post by rockville9 on Jul 24, 2014 9:30:14 GMT -6
So i was pretty much going to try to get through the winter, but as i was riding yesterday, i saw some oil spots on the foot deck. I didn't think too much of it, i just thought i was water or something splashing up through the plastic piece in the center just under the seat (i haven't replaced that yet...) but when i stopped, i looked down in there, and saw a lot of moisture around the carb. even more alarming was the moisture on the concrete after i left the scoot over night. what could this be? do i need to tighten some fuel lines? could this be causing the lack of accel? Attachments:
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Post by rockville9 on Jul 23, 2014 17:26:29 GMT -6
I forgot to take a pic of the flywheel. Taking all the plastic off is such a pain in butt.
I rode the scoot a bit further today than I had since I put it back together. I'm sure there is something minor holding back the accel. I'll have to find the time to get it apart and take pics of where we're at on this.
Today, it ran nice. Pretty crummy accel, but otherwise fine.
Quiet too. Which is a big change from before. I'll have some pics of the engine in about a week.
Thanks for your help.
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Post by rockville9 on Jul 23, 2014 10:47:38 GMT -6
These are pictures from before I set the valve clearance. This is also the timing setting before I replaced the cylinder head, since this one has the emissions notch, and the new head I ordered was non-emissions. Anyway, this setting looked 1 tooth off to me, so I rotated it 1 click clockwise, when looking at it down the camshaft. I've gotten it started everytime for the past week. It's never died like it did, but I have gone very easy on the throttle. I get no back-fires, it doesn't die when I stop, and the only issue i have right now is it seems very sluggish in the mid-rpms. basically, it seems to work better than before in some areas, and worse in others. weird. Attachments:
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Post by rockville9 on Jul 18, 2014 8:40:41 GMT -6
Well i went over to the parking lot last night, confident the scoot would start up, and IT DID (on the 1st try, i might add...). I was able to ride home, but stayed way off the throttle. it felt like it was bogging down through mid to lower RPM, but i don't have a tachometer, so i don't know what RPM we're talking about...
got home and did the "vroom" test. it was really lagging on the initial pull of the throttle, but once it past that and had the carb on full open, it fired pretty well (no back-firing either, that used to be a bad problem). on my failed test ride, i was riding full throttle for about 1/4 mile, slowed to make a turn, and while turning, it died.
when i adjusted the valves to .004 the other day (before the test ride), i also popped the camshaft back 1 tooth, as it looked like the two small holes weren't quite lined up with the cylinder head. is it possible that the cam was in the correct position before the valve adjustment? i'll probably have to post a couple of pictures for you to see where my marks and setting are...
i'm thinking there still could be a fuel/air mix issue.
also, i've got the same gas in the tank as when spring first hit, so the fuel in the tank is like, 10wks old.
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Post by rockville9 on Jul 16, 2014 9:25:32 GMT -6
awful news. got the scoot started & went for a test ride. after about 10 min, it conked out. it would only idle. easing back on the throttle killed the engine. i let it sit for about an hour to cool down, but had a real hard time getting it back running. i had to push it over to a parking lot where it is right now.
it felt like it was ever so slightly bogging down as i throttled up, almost like it wasn't "giving all it had". however, i was still able to achieve the same top speeds as i had in the past, but i felt like i didn't accelerate as quickly. I was on my way home when it died...
i had the engine going while i was working on it in the alley at my house, i had it running at full throttle, just fine. i did the "vroom" test. strong all the way through. i thought everything was fine. the only things i did between the last time i had the engine running at full throttle was adjust the valves, ease back on the idle & replace the plastic body work...
after walking home to get my tools, i gave a quick effort to adjust the fuel mix, but to no avail.
WTF happened?
i hope this made sense. i had a hard time collecting my thoughts and getting as much info out as possible...also, when i replaced the seat, the seat-lock mechanism won't un-latch the seat. i'm probably the biggest fuck up to ever try to work on a scoot...
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Post by rockville9 on Jul 14, 2014 21:46:46 GMT -6
Well, I think the problem is solved. I NEVER, not in a million years, would have thought that the valve clearance would have made a difference upon starting. But, I broke the whole thing down again tonight, found out that the cam was also one tooth off from TDC. So I re-adjusted the timing chain, got the feeler gauge and adjusted the valves to both .004.
It started right up on the very 1st push of the ignition. I didn't get a chance to cold start again after it cooled, down, but I'll do that tomorrow. I adjusted the idle again once the engine warmed up, and I'll re-do the fuel mix tomorrow also.
So a hearty thanks. I'm pretty sure i got the engine just about tuned and my starting issues are behind me. Time to RIDE!!!
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Post by rockville9 on Jul 11, 2014 13:29:54 GMT -6
I feel like we may be getting close... Yes, I put my thumb over the hole. Had hard time starting. What did we do by taking the "enricher" out (just wondering...)? My finger had some gas on it... When I cranked & cranked, yes, there were tiny, little "putt-putts", acting like it just didn't want to fire or something... When I ran the "spark" test, from one of my last posts, when I kept saying "no spark", I may have been mistaken. I had my wife help me here a bit, but she held the loose spark plug next to my ear (risky business, I think, but at least we know I can trust her...). Now, during this time, I heard a tiny, tiny, TINY "click", even though we couldn't see anything. I guess the times before, since I just had the plug sort of dangling, I couldn't hear the clicks. Anyway, I will definitely try again tonight, and quickly pull the plug and let you know. But based on the "tiny click, spark" from above, what could cause the "weak spark"? We have a new coil & CDI? You're doing a terrific job helping out here. You're getting close to being added to the will...
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Post by rockville9 on Jul 11, 2014 9:06:42 GMT -6
last night I unscrewed this piece (the electric choke) and started up the scoot. the little needle extended as the engine warmed up, but i'm really not satisfied with the results of my efforts.
I feel like i've gone through major repairs, and still have the cold-start problem.
the only way i could get the engine started yesterday was to crank the starter like, 10 times, while holding the throttle "full-open".
this is pretty much the same problem i had before i did any work, and it feels like i went through the whole process and didn't fix anything, other than re-threading the exhaust manifold to 8mm for a stronger, tighter fit.
i've replaced...the starter, carb, CDI, ignition coil, starter button, tuned the carb air/fuel mix, checked for solid "ground" connections, and even used a grinder to make sure that metal touched metal (and not paint or grime).
what's up with the cold starts? I live in Chicago, so this is going to continue to be an issue for me, and only get worse as the morning temps start to go down...
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Post by rockville9 on Jul 9, 2014 19:20:29 GMT -6
I got it started and adjusted the fuel mixture like one of the other posts said to.
Having hard time starting cold. Is there something I can do to the choke? Once it's warm, engine runs fine.
Thanks for your help. I'm almost there...
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Post by rockville9 on Jul 7, 2014 21:00:02 GMT -6
below are the CDI & ignition coil. The 1st coil picture is a little blurry, but shows the green wire connected to the green terminal. I wrapped the whole assembly in electric tape, so the connections aren't really shown. Let me know what else I can show you. You've been a great help so far. I really appreciate it. Thanks.
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Post by rockville9 on Jul 7, 2014 9:08:14 GMT -6
when i get home today, i'll post some pictures of the connections. The ignition coil I bought from Scrappydog had green & black terminals, and I connected the green wire to the green terminal. The other wire was black & yellow, and that got connected to the black terminal.
When I installed the new female lead, I obviously had to strip the wires down, and noticed that they were really thin, coiled copper wire. I'm wondering if I don't have to rewire with thicker copper? New terminals & leads are cheap, and I can get solid wire at the hardware store by the foot. Should I just re-wire the whole thing???
My scoot never had the kill switch wired. I've taken the dash-cover off & the terminals for the kill are not connected. There isn't a lead going up that way even. The right side of the handlebars only has one lead, the ignition.
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Post by rockville9 on Jul 6, 2014 18:22:30 GMT -6
I replaced the ignition coil. The solenoid was bad, and has been replaced. The starter cranks every time the ignition gets engaged. There is compression in the cylinder, I can feel it push out the spark plug hole.
However, when I take the plug out and turn the engine, there is no spark. I replaced the terminals that connect to the ignition coil, but that didn't really seem to do anything. I can get a new spark plug at the auto parts store, but what else can I do to get spark? I have a new CDI and it's hooked up correctly.
Thoughts???
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Post by rockville9 on Jul 3, 2014 10:13:45 GMT -6
thank you very much for your input so far. my new solinoid arrived yesterday, so it will be plugged in this afternoon.
we'll see...
happy 4th of july. make sure you have all 10 fingers come monday...
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