handyman
Scoot Member
missing riding my scooter thanks to the winter here in the northeast.
Posts: 73 
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Post by handyman on Jun 18, 2017 7:23:45 GMT -5
I replaced the gasket on the right side of my tao tao thunder 49cc GY6, because it had been leaking O so slightly, and it is Lightly leaking again. Its the gasket that is under the coil case, crank case oil. I cleaned the area very very carefully making sure that I would not have an issue, well it held up for about 4-rides no more than 5-miles each, then I took a 30-mile trip, and that day it was hot and humid, parked it and noticed the next day it had quarter size oil spot on the floor. Its not enough to even add oil, but should still be fixed. The seals I have check thoroughly, and do not believe it is the seals, and it is not the gear oil. Does any one have any suggestions, maybe make my own gasket or something, I did buy the gasket from PartsForScooters.com
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Post by 90GTVert on Jun 19, 2017 12:15:07 GMT -5
I always put a very thin coating of a RTV on each side of those gaskets. Usually Permatex Ultra Black. Make sure there's no damage to any sealing surface.
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Post by jaga4life on Jun 19, 2017 13:02:32 GMT -5
^^ i always use gasket maker with almost any gasket. Except a headgasket. Sometimes I make full basegaskets out of it and never had any problems with it leaking. Wait one hour to torque then 24hrs to cure.
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Post by jaga4life on Jun 19, 2017 13:03:54 GMT -5
I have had oil leak on me before when just using the paper base gasket alone with no rtv.
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Post by FrankenMech on Jun 19, 2017 19:52:16 GMT -5
I only use a sealer if there is any damage to the sealing surfaces. My favorite trick is to use a very light almost invisible spray of gasket adhesive or photomount adhesive on the removable part. Then place the gasket. Then I use grease on the other side of a gasket to aid in removal.
The most common cause of leaks is a damaged surface, or a tiny 'grain of salt/pepper' sized piece of old gasket/sealer on the surface. It does not take much to really screw up the clamping forces and warp things.
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handyman
Scoot Member
missing riding my scooter thanks to the winter here in the northeast.
Posts: 73
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Post by handyman on Jun 20, 2017 16:19:15 GMT -5
I always put a very thin coating of a RTV on each side of those gaskets. Usually Permatex Ultra Black. Make sure there's no damage to any sealing surface. there is a small 1/4" tube that is under my drain plug for the rear gear oil, I think it could be coming from there, its never done it before. What are your thoughts on that clear 1/4" tube. ? |
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Post by 90GTVert on Jun 21, 2017 6:45:05 GMT -5
It's common for fluids to come out of there. It's an overflow. Often does it when overfilled. Hot weather may make it more likely.
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Post by badpumpkin on Jun 21, 2017 12:49:40 GMT -5
Also,are you using synthetic lubricants? I do believe synthetic lubricants will find a way out.
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Post by jaga4life on Jun 21, 2017 13:49:22 GMT -5
Also,are you using synthetic lubricants? I do believe synthetic lubricants will find a way out. synthetic oil only creates a current leak worse. It doesn't cause the leak. |
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handyman
Scoot Member
missing riding my scooter thanks to the winter here in the northeast.
Posts: 73
|
Post by handyman on Jun 23, 2017 5:42:19 GMT -5
It's common for fluids to come out of there. It's an overflow. Often does it when overfilled. Hot weather may make it more likely. I took it apart again and put a small thin layer of RTV on and has not leaked after 4-rides crossing my fingers. Now I see a small bit of oil coming from the rear of the cvt cover, I took it apart and noticed a small bit of oil around the axle seal. I know you have a video on replacing that seal could you put a link up for me 90GYVert thanks again. |
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Post by 90GTVert on Jun 23, 2017 6:50:53 GMT -5
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