Oil leak from middle drive shaft

[japdeez]

Hello, I have a continuous oil dipping from the middle drive shaft when starting the engine , any one had faced and fixed this problem? I will really appreciate your helps, thanks

 

[CaptainKyle]

There is a seal around the Ujoint . I have had to replace a couple of them.

 

[japdeez]

There is a seal around the Ujoint . I have had to replace a couple of them.

Thank you, how difficult to pull out the middle drive? Any easy method I can use?

 

[maleko89]

Not bad at all, IMO. Remove rear wheel, final drive, swingarm and driveshaft. Then loosen two crankcase bolts on either side of middle output gear. Finally, remove 3 bolts holding in the gear and pull out. Watch for the shims. They need to go back. Also, one of the 3 bolts has a washer. It has to go in the same position.

Mark

 

[japdeez]

Not bad at all, IMO. Remove rear wheel, final drive, swingarm and driveshaft. Then loosen two crankcase bolts on either side of middle output gear. Finally, remove 3 bolts holding in the gear and pull out. Watch for the shims. They need to go back. Also, one of the 3 bolts has a washer. It has to go in the same position.

Mark

Thank you , you just gave me a precious help , which seal do I have to check and replace?

 

[maleko89]

Check parts 18 and 19.

https://www.ronayers.com/oemparts/a/yam/50045c11f8700209bc7942fa/middle-drive-gear

Mark

 

[japdeez]

Check parts 18 and 19.

https://www.ronayers.com/oemparts/a/yam/50045c11f8700209bc7942fa/middle-drive-gear

Mark

Thank you

 

[japdeez]

Hello, I already pulled out the middle drive, dented oil seal, now I have to pull out the drive from the housing, I checked in the internet about the process but I couldn't find any thing, do I have to hammer the ujount bolt?

 

[CaptainKyle]

Hello, I already pulled out the middle drive, dented oil seal, now I have to pull out the drive from the housing, I checked in the internet about the process but I couldn't find any thing, do I have to hammer the ujount bolt?View attachment 95866

You have to get a wrench on that nut on the yoke and have a vice or something to hold it once you get that nut off the joint will pull out and you can replace that seal. In my opinion that is the hardest part of the whole job.

 

[japdeez]

You have to get a wrench on that nut on the yoke and have a vice or something to hold it once you get that nut off the joint will pull out and you can replace that seal. In my opinion that is the hardest part of the whole job.

Thank you