Forum: 50cc - 124cc
06-06-2020, 03:35 PM
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Replies: 9
Views: 12,420
Thanks for the response! The scooter had been...
Thanks for the response! The scooter had been running recently, but never got quite to the point of operability. Then I bought an electric scooter, and put the project on hold. Then I ran into a...
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Forum: 50cc - 124cc
06-04-2020, 05:22 PM
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Replies: 9
Views: 12,420
5 days, no responses?
Okay, I put this post up five days ago and so far no one has offered any response. Am not sure if this is because the question is somehow inherently idiotic or because no one knows the answer to the...
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Forum: 50cc - 124cc
05-31-2020, 06:11 AM
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Replies: 9
Views: 12,420
Yamaha Zuma with poor compression
Hey, all! Am the owner of a 2002 Yamaha Zuma 50cc scooter. It has a new cylinder & head, + gaskets, new piston and rings, and new reed valve gasket. The engine is not turning over at the moment,...
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Forum: General Scooter Discussion
04-29-2020, 04:48 AM
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Replies: 42
Views: 27,909
Oooooo... My odometer cable slipped out of my...
Oooooo... My odometer cable slipped out of my front wheel well years and years ago. I have no idea how many miles it has taken. The odometer reads 5,000 odd miles, but I must have tripled that by...
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Forum: General Scooter Discussion
04-28-2020, 07:54 AM
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Replies: 42
Views: 27,909
I figure I must have created a leak in the...
I figure I must have created a leak in the cylinder when I messed around with the piston and O-rings. Have gone ahead and ordered replacement parts for the cylinder head, body, piston, and rings,...
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Forum: General Scooter Discussion
04-25-2020, 01:28 PM
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Replies: 42
Views: 27,909
Variator
Hm. I opened up the crank case (yet again) and it turns out my variator nut was coming loose. I could have sworn I put threadlocker on it, but apparently not. I have put threadlocker on it now,...
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Forum: General Scooter Discussion
04-24-2020, 04:45 AM
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Replies: 42
Views: 27,909
Tip
I've discovered this about air filter boxes: if you blast the rubber elbow joint with a hairdryer on its hottest setting for like 30 seconds, you will soften it up nicely and it will slip over the...
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Forum: General Scooter Discussion
04-23-2020, 10:52 PM
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Replies: 42
Views: 27,909
Once again, covid-19 stands in the way of my...
Once again, covid-19 stands in the way of my possible future success! If your wife ever decides to travel again and makes that same trip, and if my scooter is in any condition other than perfect...
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Forum: General Scooter Discussion
04-23-2020, 06:59 AM
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Replies: 42
Views: 27,909
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Forum: General Scooter Discussion
04-22-2020, 03:28 AM
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Replies: 42
Views: 27,909
News of the day
Your offer to put me in touch with a person out here who could help me is very generous. There is nothing like a personal network connection to actually get things done! As it is, though, it seems...
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Forum: General Scooter Discussion
04-21-2020, 08:24 AM
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Replies: 42
Views: 27,909
Let's say
Let's say the piston rings are probably fine— I was very careful about inserting the piston into the cylinder, and did not force it in, and I never removed the rings from the piston, so I consider a...
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Forum: General Scooter Discussion
04-20-2020, 07:02 AM
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Replies: 42
Views: 27,909
And still...
Time for an update!
After cleaning up my piston and cylinderI ordered replacement gaskets for the head and base. Finally, a few days ago they arrived! Yesterday I went down to the scooter and...
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Forum: General Scooter Discussion
04-04-2020, 09:58 PM
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Replies: 42
Views: 27,909
Do you think, then...
So those scratches on the piston don't seem all that serious to you? Gosh, I hope you are right! Although if so, then my problem, whatever it was, still remains... Do you think, then, that the...
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Forum: General Scooter Discussion
04-03-2020, 05:43 PM
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Replies: 42
Views: 27,909
Holy mackerels!
DUDE! YOU NEED A BIKE HELMET! People don't realize just how dangerous a "simple bike" can be! At 22mph you are almost asking to be killed! And I still NEED YOU!
Tell me if this is what a...
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Forum: General Scooter Discussion
04-02-2020, 10:22 PM
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Replies: 42
Views: 27,909
Clutch!
So when I reassembled the gear box and re-attached the clutch, v-belt, and variator, the problem continued. But I figured out what was causing it: for some reason, when I screw down the nut on the...
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Forum: General Scooter Discussion
03-31-2020, 01:34 AM
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Replies: 42
Views: 27,909
Gear box
Gear box now open. Nothing unusual inside. Rear wheel turns freely now. Please advise.
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Forum: General Scooter Discussion
03-31-2020, 12:21 AM
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Replies: 42
Views: 27,909
Before the gearr box
Before I open up the gear box...
...Let's assume there had to be a lean seize: I know I was opening up the air jet to try to lean out the fuel, and I am certain (now) that I opened it up too far...
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Forum: General Scooter Discussion
03-31-2020, 12:13 AM
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Replies: 42
Views: 27,909
Gear box
Have drained the gear box. The fluid is clear, has no chunks in it, the color of maraschino cherry syrup...
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Forum: General Scooter Discussion
03-30-2020, 11:51 PM
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Replies: 42
Views: 27,909
Next...
Variator is now off. Rollers are all fine, variator is fine. Clutch also removed. Also seems to be fine. Next is the gear box...
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Forum: General Scooter Discussion
03-30-2020, 11:37 PM
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Replies: 42
Views: 27,909
More
Crank case opened. Variator looks fine. Turns counterclockwise with no difficulty, rear wheel turns accordingly... V-belt is in perfect condition, nuts on both the variator and clutch are holding...
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Forum: General Scooter Discussion
03-30-2020, 11:28 PM
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Replies: 42
Views: 27,909
Opening 'er up
Got your message. I guess I am going to be opening up first the crank case and having a look at the variator (which I will be taking apart) and second the gear box and seeing what is going on inside...
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Forum: General Scooter Discussion
03-30-2020, 06:43 PM
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Replies: 42
Views: 27,909
Update
The gasket I meant was the crankcase gasket, the one that goes all around the crank case, not the one by the gear train. I read somewhere that the crank case without the gasket on it can create...
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Forum: General Scooter Discussion
03-25-2020, 08:34 PM
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Replies: 42
Views: 27,909
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Forum: General Scooter Discussion
03-25-2020, 01:00 AM
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Replies: 42
Views: 27,909
Response and suggestions for what to do next?
Regarding the v-belt: when I say I "measured" it, I mean I verified that the width of the belt was correct both for my scooter and for the packaging, and when I lined it up against the original one I...
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Forum: General Scooter Discussion
03-24-2020, 05:11 PM
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Replies: 42
Views: 27,909
Last first
Starting with your last question first, I did the repairs to the overhaul myself— I have tried to be my own mechanic for my scooter, and have so far been successful with this: I rebuilt the engine...
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