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Author Topic: YZ125J Fork oil and level  (Read 3246 times)

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Offline Cabmkr

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YZ125J Fork oil and level
« on: August 09, 2011, 09:52:28 pm »
     Can anyone tell me the Standard weight and level of fork oil for 1982 YZ125 forks. I had a little mishap last night and um,  bent  :-\ the 81 YZ125 forks I have on my IT400. I have a set for an 82 but they need to be rebuilt.

Cheers Chris 
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Current rides/projects 75 MX125B, 75 TY250B, 75 Carabella Rally 175, 76 TT500 Ice bike, 78 IT400E 79 CB750F , 81 XS650H Street Tracker, 81 YZ250H X2, 93 DS80

Offline holeshot buddy

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Re: YZ125J Fork oil and level
« Reply #1 on: August 09, 2011, 10:32:23 pm »
depends on ability and weight but
about 120mm collapsed from the top

10 weight, can run about 8 pounds of air for jumpy track
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Offline torm92

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Re: YZ125J Fork oil and level
« Reply #2 on: August 09, 2011, 10:35:25 pm »
According to the workshop manual, SAE#10 motor oil , quantity is 415cm3 or oil level of 150mm. Although , if you live in Europe it is 454cm3 and 200mm level.
I use 15 weight at 150 .
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Restoring YZ 50,60, 80, 100 and 125. Racing a 490 and a 250. Have a complete collection of J,s.

Offline Cabmkr

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Re: YZ125J Fork oil and level
« Reply #3 on: August 10, 2011, 03:35:06 am »
Thanks guys!!
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Current rides/projects 75 MX125B, 75 TY250B, 75 Carabella Rally 175, 76 TT500 Ice bike, 78 IT400E 79 CB750F , 81 XS650H Street Tracker, 81 YZ250H X2, 93 DS80
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