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PostPosted: Fri Aug 05, 2011 7:34 pm 
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hi all
i,ve just bought some 98/99 judy xc hydracoils rock shoxs manual states to use extra light oil would that be 5 wt or less.
cheers si


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PostPosted: Fri Aug 05, 2011 9:24 pm 
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not sre on this but as a rule of thumb (viscocitys can differ between manufacturers)
10wt is heavy
7.5wt is medium
5wt is light


So i would prsume extra light to be lower than 5wt


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PostPosted: Sun Aug 07, 2011 1:43 pm 
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cheers cyfa
do,s rock shox have there own recommended suspension oil.
thwang


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PostPosted: Mon Aug 15, 2011 12:17 pm 
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Manufacturers tend to recommend their own brand oil but it is an expensive way of buying it. I have always gone to motor stores and purchased the correct weight oil from there, it generally comes in much bigger bottles but I have a few forks to service and it makes more sense to me.


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 Post subject: hello
PostPosted: Fri Sep 16, 2011 9:42 am 
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I own and still using the XC Judy Rock Shox 100mm (yellow). The last time it went to total over hauled 6 years ago, I use the 10wt of motor shock oil and still provide me well until today. the only difference back then when i use 10wt over the 5wt original is the rebound is slower but can eating the bigger bump smoother.

cheers


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PostPosted: Fri Sep 16, 2011 10:12 am 
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I also depends on how heavy you are, stock oil weights are generally not for people who weigh 220lbs like me so I generally swap them out fairly quickly.


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PostPosted: Sat Sep 17, 2011 1:24 pm 
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cheers chaps what colour was the medium springs i seem to rember they were blue. the set i have has one yellow and one red and are quite hard to compress.
cheers thwang


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PostPosted: Sat Sep 17, 2011 1:32 pm 
retrobike rider
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Red has always been the medium general purpose spring.
Well at least in the one's I know.

Got a picture of your fork so you can pick a year.

Model/year/travel will tell you the springs (if you assume they are the standard ones) as some came with one medium/ one soft

Choose the fork oil to your weight/riding style.


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PostPosted: Sat Sep 17, 2011 1:44 pm 
retrobike rider
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Also you'll find the 99 judy guides in this lot Total Mountain Bike (TMB) July 1999 http://www.retrobike.co.uk/forum/viewtopic.php?t=53227

Even though this says 5 or 8wt as extra light. I believe it was 5wt. Start from there if you're light or try 7.5wt if your heavy and jump to 10/15 if your very hard on your bike ;)


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PostPosted: Sat Sep 17, 2011 1:55 pm 
retrobike rider
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and now have the spring info

'99/'00 Hydrocoil (1999 was the 1st year, 1998 was type III springs and cartridge)

'99
Soft = yellow
medium = red
firm = black

'00
added to the list
Extra soft = silver


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