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Post by richardthescooter3 on Feb 23, 2012 10:50:09 GMT -6
Changing my gear oil  I think the last time I put in 8oz, I'd like to know if thats the right amount to put in  2008 mc-54-250b roketa scooter. Attachments:
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Junior
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Post by yoster on Feb 23, 2012 11:14:09 GMT -6
Don't believe I've ever measured to be honest. Basically when it starts to come out the top, you're done. It does not take a lot at all. Heck I don't even think I fit 8oz in mine.
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Post by JR on Feb 23, 2012 11:34:13 GMT -6
No NO NO! Not on the 250B. Between 6 and 7 ounces that's it! Overfill the gearcase on the 250B and you'll get a rear blown seal or oil flying out of the overflow tube.
Not the same animal as the sister moto gearbox.
JR
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Junior
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Post by yoster on Feb 23, 2012 11:35:50 GMT -6
No NO NO! Not on the 250B. Between 6 and 7 ounces that's it! Overfill the gearcase on the 250B and you'll get a rear blown seal or oil flying out of the overflow tube. Not the same animal as the sister moto gearbox. JR Ha! You have to do things like.. measuring? How archaic So that's kinda strange, even rear difs in cars/trucks are filled by the "until they come out of the top fill hole" method. That's even how you check the diff fluid on my silverado.. see if it's level w/top fill hole. Does your gearbox have a dip-stick then or something to know how full you're getting? |
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Post by JR on Feb 23, 2012 11:45:04 GMT -6
Nope! But even the original Yamaha engine as stated in the Yamaha YY250 service manual tells you the amount, it's in litres but converted to ounces it's again between 6 and 7 ounces. The gearbox design is different and just doesn't hold as much and the way the gears pull the oil around it's just not necessary. There is no top level fill hole, it fills from the very top and easy to access. Now as to the archaic at least on the linhai one can just pull the bottom drain plug, unscrew the top cap, while it's draining have the correct amount measured and then have it filled an ready to go while you're still removing the CVT cover on the moto version just to drain it.  That makes up for the easy to get to valves on the moto!  JR |
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Junior
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Post by yoster on Feb 23, 2012 11:53:53 GMT -6
Awwww.. good point.. I forgot about the CVT cover removal LOL
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Post by richardthescooter3 on Feb 23, 2012 13:41:36 GMT -6
Thanks JR, I know I can't fill until it comes out  that would over fill it. I will put in 6-7oz. I was just thinking, that doesn't seem much, but I know with these scoots you don't need that much. |
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Junior
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Roketa 250 cc 54B
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Post by speedracer on Feb 24, 2012 12:05:22 GMT -6
Funny this thread came up as I was sure it was 7oz and verified it with JR.
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Post by scooterelements on Feb 24, 2012 14:46:16 GMT -6
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Post by richardthescooter3 on Feb 25, 2012 13:36:38 GMT -6
Dained gear oil, about 7oz. put in just a little over 6oz, gear oil job complete next thing get scooter inspected, runs out end of February |
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