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Post by murkyapricot on Mar 5, 2016 0:42:13 GMT -5
  Is there supposed to be something holding this little gear in place |
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Post by murkyapricot on Mar 6, 2016 1:49:52 GMT -5
Sorry never mind i found the pin
Hopefuly this thing will be running by Monday
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Post by geh3333 on Mar 8, 2016 0:35:49 GMT -5
Sorry never mind i found the pin Hopefuly this thing will be running by Monday I hope you got it buddy !! |
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Post by murkyapricot on Mar 9, 2016 8:01:41 GMT -5
Sorry never mind i found the pin Hopefuly this thing will be running by Monday I hope you got it buddy !! Well, unfortunately I was missing a few bolts UGH So theyll be here soon and hopefuly I will get it running My organizational skills need some improvement |
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Post by ricardoguitars on Mar 9, 2016 17:30:16 GMT -5
We should throw a party after your scoot is fixed, this is one of the trickiest issues I've seen so far, hope it works this time.
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Post by geh3333 on Mar 10, 2016 19:27:10 GMT -5
We should throw a party after your scoot is fixed, this is one of the trickiest issues I've seen so far, hope it works this time. If it does fix it . I would have to say it wasn't necessarily tricky, it was that the answer was somewhat ignored " and I don't mean that in a smart a-s way " and it wasn't that murky just ignored it . the answer was " if it is the starter clutch " thrown aside by others because they never had this type oof issue , which is understandable. |
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Post by murkyapricot on Mar 28, 2016 21:30:25 GMT -5
Alright guys I know it's been a little while again
So I got the new starter clutch installed, scooter continually tries to start, i hear the starter spinning, but it still doesn't start
Now i am getting 45 psi compression (before the new starter clutch I was getting 30psi)
Also tried hooking it up to a car battery still no start
Ive noticed after a few tries trying to start the cables from the battery are getting hot
So what gives! I can't seem to figure this thing out, what am I missing? Ahhhhhh
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Post by rcq92130 on Mar 29, 2016 0:39:26 GMT -5
Can't tell with the info you have given. There is no way anyone could figure out what you mean by "scooter continually tries to start, i hear the starter spinning, but it still doesn't start" "continually tries to start" - does that mean it's turning over over and over with a single push of the starter button? Last time it would not make it even thru a single cycle. What's going on? :"starter spinning" -  Still doesn't start - get this, but it's impossible to figure out why w/o more info. How about, for starters, a video? ps: when you take the compression #s is the throttle held wide open (so the engine sucks in as much air as it wants)? Anyway, till we know if the engine is at least turning over properly there isn't a way to move fwd. How about a video? |
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Post by murkyapricot on Mar 30, 2016 0:32:51 GMT -5
Hope this helps
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Post by rcq92130 on Mar 30, 2016 11:33:01 GMT -5
So, it's really no different than what was going on before
1. I'd not try to start it more. Possible the starter clutch was damaged BECAUSE of whatever other issue is going on, and continued attempts to start would just damage the replacement starter clutch.
2. I guess, since you have gone through all the more likely possibilities and ruled them out, it's time to go back into the jug & head. To make sure - the bike started fine BEFORE you replaced the jug/head - right (I mean, before whatever problem began that caused you to replace the jug/head)? Might be that you put the piston in backwards, or for some other reason bent a valve.
3. If you start taking the head/jug apart DOCUMENT EVERYTHING IN PHOTOS so people can try to find a problem and help. Go a step at a time. Unless I'm mistaken - you long ago showed pix of the valve chain gear and flywheel position to rule out the possibility the valve timing is wrong. That's right?
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Post by murkyapricot on Mar 30, 2016 12:02:33 GMT -5
So, it's really no different than what was going on before 1. I'd not try to start it more. Possible the starter clutch was damaged BECAUSE of whatever other issue is going on, and continued attempts to start would just damage the replacement starter clutch. 2. I guess, since you have gone through all the more likely possibilities and ruled them out, it's time to go back into the jug & head. To make sure - the bike started fine BEFORE you replaced the jug/head - right (I mean, before whatever problem began that caused you to replace the jug/head)? Might be that you put the piston in backwards, or for some other reason bent a valve. 3. If you start taking the head/jug apart DOCUMENT EVERYTHING IN PHOTOS so people can try to find a problem and help. Go a step at a time. Unless I'm mistaken - you long ago showed pix of the valve chain gear and flywheel position to rule out the possibility the valve timing is wrong. That's right? No real problems with the scooter up until the day it died |
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Post by lain on Mar 30, 2016 21:13:57 GMT -5
Audio wise, it sounds like you have not enough power pushing the starter motor (possibly dying battery or wrong gauge wiring) trying to push over your engine while holding the throttle wide open... Umm... Don't do that, just leave the throttle alone when starting, at most a slight nudge of a twist. Have you always done this? The way you approached the scoot and went right to twisting the throttle wide open before starting it looked as if you were used to doing that. The starter wires get hot, especially if you ignore the manual and go ahead and continue to keep trying to start it. The manual, or at least mine, says "To start hold the brake lever and press the starter button for no longer than 5 seconds, if it fails to start wait 10 seconds and attempt to start again." I've actually fried out starter wires by just attempting to start over and over, burned them up so much they couldn't hold enough current to turn the engine over but read just fine on the meter, however when taken out and gutted the wires were brown and black inside instead of the copper goldish color they normally are. |
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Post by murkyapricot on Mar 31, 2016 19:32:26 GMT -5
Well that's how I was told to do the compression test so I figured I should just try it that way
Also I tried connecting the car battery directly to the starter (and the ground) with no difference.
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Post by rcq92130 on Mar 31, 2016 19:52:50 GMT -5
Yeah, Mark, you have gone thru all the normal stuff, so it's time to take the head and jug back off and look for something that is 'wrong' (like, for example, a bent valve). Remember you will need a new head gasket - these are a "use 1 time only" item (but cheap). I'd also get a new paper gasket for under the jug - a good portion of the time these tear when you pull the jug off.
Just remember - lots of photos and 1 step at a time. Maybe take the head off - only that - and take a ton of pix top and bottom, and of the top of the piston so we can try to see if there was any valve-to-piston contact.
You DID use a torque wrench on the 4 head nuts ... right?
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Post by rcq92130 on Mar 31, 2016 21:28:32 GMT -5
Yeah, lain - that's pretty much the obvious guess: insufficient starting power, either because of the starter motor, the wiring, or the battery.
But the first thing Mark did was rule all that out by using a fully charged car battery (plenty of reserve power), getting a new "high torque" starter motor, and connecting the jumper cables from the battery directly to frame and to the starter + terminal. No change.
Then he took the right side cover off and found a distortion in the starter clutch, so he replace that. No change.
So the next logical conclusion is that the distortion in the starter clutch was a result of the problem, not the cause. So, not much left other than taking the top end apart.
What's odd is - early on he took the spark plug out and the engine spun like a top using the scooter's battery and wiring. That almost certainly points to insufficient starting torque .... but that's all been ruled out.
Odd problem, to be sure!
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