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Post by philmill on Jan 7, 2018 17:08:00 GMT 1
Hi all, can somebody let me know the length of the YPVS forks? I have found a possible upgrade but need to know std length. Thanks.
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Post by stusco on Jan 7, 2018 17:26:18 GMT 1
Which ypvs
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Post by philmill on Jan 7, 2018 17:36:29 GMT 1
31K. thanks.
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Post by stusco on Jan 7, 2018 17:42:36 GMT 1
Before I go out in the cold on two wheels or on the centre stand
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Post by philmill on Jan 7, 2018 17:48:31 GMT 1
Free length on stand, so full extended length, and thanks, I appreciate it.
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Post by midlifecrisisrd on Jan 7, 2018 18:01:28 GMT 1
3 types of ypvs forks
Lc2 waisted (thinner section between top and bottom yoke ideal for LC headlamp brackets)
Lc2 non waisted
N1/F1
Lc2 forks fitted with lc2 yokes will go straight on an LC and brakes/muddy/wheel will fit.
N1/F1 are about 30mm longer but muddy and brakes are different fitment
Steve
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Post by philmill on Jan 7, 2018 18:05:37 GMT 1
Ah! I don't have the bike in my possession yet, so not sure, its the 350 I bought from Fozzy, a blue 31k. I didnt realise they were different. 30mm makes a big difference, the ones I am looking it are 720 to centre of spindle.
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Post by stusco on Jan 7, 2018 18:26:36 GMT 1
Lc2 on centre stand 740mm spindle to fork top
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Post by philmill on Jan 7, 2018 18:32:02 GMT 1
Thanks very much for that, I wonder if 720 is too short, i'm losing with 17" inch wheel too so a loss of 45mm maybe too much and make it handle like a pig.
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Post by philmill on Jan 7, 2018 18:32:53 GMT 1
Spindle centre was that Stusco?
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Post by stusco on Jan 7, 2018 18:38:13 GMT 1
Yes
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Post by Tobyjugs on Jan 7, 2018 18:46:56 GMT 1
Thanks very much for that, I wonder if 720 is too short, i'm losing with 17" inch wheel too so a loss of 45mm maybe too much and make it handle like a pig. Don't forget to take into account the size of the tyre profile |
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Post by philmill on Jan 7, 2018 19:03:33 GMT 1
Good point, looking at the web it seems the actual difference between the 90/90 18 against the 120/60 17 is 44mm so a drop of 22mm, so I'm dropping front 42mm. I thinks thats going to be too much. Back to the drawing board.
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Post by Tobyjugs on Jan 7, 2018 19:13:53 GMT 1
Maybe fit some F2 forks as they are 30mm longer, How much will you be dropping 22mm?
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Post by midlifecrisisrd on Jan 7, 2018 19:19:42 GMT 1
Use a 120 70 tyre then.
The second number is a percentage so a 90/90 has an 81mm sidewall
A 120/70 has an 84mm sidewall.
You only loose 13mm going from 18 to 17 wheel so only 10mm between 90/90 18 and 120/70 17
Also don't forget the softness of standard forks, the 10mm is probably taken up with static sag
Steve
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Post by philmill on Jan 7, 2018 19:34:17 GMT 1
Ok steve, thanks, I havent considered that. So maybe its worth going for them.
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