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Post by froggg on Oct 16, 2007 17:02:46 GMT
Hi,everybody ,just bought a '96 xj 900s divvie which needed fork seals-done that would like to know fork oil type and quantity please (comfort rather than best handling,if you know what I mean) Thanks in advance,mike
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Post by teejayexc on Oct 16, 2007 18:21:02 GMT
Hi Mike, Mr haynes says about 444cc of Fork oil, original fork oil is 10W, but most folks on here have put 15W in when changing-stiffens the front a smidgeon.
HTH Trev
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Post by Padster on Oct 16, 2007 18:27:47 GMT
Standard oil is 10w and the quantity is 444cc. I got my fork seals replaced recently and had 10w oil put in.
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Post by teejayexc on Oct 16, 2007 18:35:34 GMT
Is there an echo in here? trev
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Post by froggg on Oct 16, 2007 19:18:02 GMT
So kind(and quick!) Thank you...just need to find a container that holds 444cc...
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Post by El Fuego on Oct 16, 2007 20:46:05 GMT
I'm sure the service manual says about filling the stanchions until the oil is XX mm from the top, rather than a specific cc amount. (To take account of different springs, etc.) Unfortunately I can't remember what the value of XX is.
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Post by Padster on Oct 16, 2007 21:41:46 GMT
The Yamaha service manual says 444cc
Oil level 133mm from top of inner fork tube, fully compression without the spring in. Fork oil 5w or equivalent. Fork spring free length (limit) 500mm.
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Post by Padster on Oct 16, 2007 21:42:43 GMT
5w is too light in my opinion. The 10w standard is from the Autodata manual.
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Post by m40man on Oct 16, 2007 22:00:25 GMT
Personally I find the standard 10w too light. I used 15w in mine. But then when I did the FJ1200 I used my favourite oil from many moons ago - stock 10w-40 engine oil. I do prefer a firm ride, but it's not unreasonably firm. Of course, it's also cheap ;-).
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Post by 2old2boogie on Oct 18, 2007 8:36:58 GMT
Yeah I would agree with M40MAN. 10w oil is a tad light I found in my 900. 15w is the usual replacement.
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Post by CD on Oct 20, 2007 12:20:58 GMT
I have blue spot brakes on my 900, but still have not got around to changing the fork oil. Brainy? (prob not). The fork legs are clean all the way up, so I looks like the fork oil is too thin. I'm sure the bike would be better with thicker fork oil and I doubt it it would really upset the ride quality/smoothness over bumps.
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Post by HRHpenfold on Oct 20, 2007 19:01:48 GMT
I have blue spot brakes on my 900, but still have not got around to changing the fork oil. Brainy? (prob not). The fork legs are clean all the way up, so I looks like the fork oil is too thin. I'm sure the bike would be better with thicker fork oil and I doubt it it would really upset the ride quality/smoothness over bumps. it is better fork springs you need like Hagon ones, i have changed the oil to 15w and it does the same
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Post by CD on Oct 21, 2007 18:13:59 GMT
Thanks HRH I suspected as much. The student budget wont go that far right now, but I'll get some for next summer when I've got some paid work.
I love the brakes though, so much more control and if needs be - wow - does it stop! Right now the front tyre is competing with the rear for being the first to wear out. I've never had that before on any motorbike.
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