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21-02-2024, 06:03 PM | #1 |
Silver Member
Join Date: Jul 2006
Location: Poole
Bike: M900ie
Posts: 508
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Fork query
Hi all, so the story is that years ago I fitted a pair of used adjustable Showa forks that I was informed were 900ie from around 2001. The stantions have always been visibly warn, and the seals have started to leak again. So I bought a pair of new non-adjustable Showa for 900ie/1000, with the intension of swapping the springs and dampers for my Maxton units. The new forks have just been delivered, big surprise because the forks are noticeably different to my current forks. The main difference is that the new fork legs are 450mm long compared to 485mm, with more stantion exposed. Any thoughts?
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Bitza |
21-02-2024, 07:15 PM | #2 |
Lord of the Rings
Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,963
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Those are the correct measurements 450 for standard Monster forks and 485 for adjustable.
Nasher put some 1098 innards into some adjustable fork tubes for me and they slot straight into the Monster yokes with no mods, Well! The 1098 stanchions have a radial brake mount, so if you go for that particular set up you'll need a pair of radial mount calipers, new hoses, discs with 15mm offset or 4.5mm spacers to correct the offset and a longer speedo cable. The speedo gearbox is the real fly in the ointment as it just gets in the way of everything! 15mm offset discs are the best way to go, but how much do you want to change and how much do you want to spend? Best to ask Nasher if internals with an axial type brake set up can be transplanted into the adjustable tubes. Definitely more options with the 485 tubes. I wouldn't be surprised if the non adjustable stanchions could be fitted in the adjustable tubes along with the adjustable damping and spring. Nasher's your man. P.S. What hole centres are your callipers? 40 or 65mm? Good brake upgrade is to fit P4 4 pad callipers which go straight on, but do need new hoses!
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Last edited by Mr Gazza; 21-02-2024 at 07:18 PM.. |
22-02-2024, 10:09 PM | #3 |
Silver Member
Join Date: Jul 2006
Location: Poole
Bike: M900ie
Posts: 508
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Thanks for the info Gary, looks like I've made a bit of a blunder, making things a bit more complicated. I'll contact Nasher for some advice.
I had considered radial calipers, but I'm satisfied with the P4 calipers I've fitted. NASHER IF YOU ARE OUT THERE YOUR MESSAGES ARE CURRENTLY AT CAPACITY.
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Bitza Last edited by Bitza; 22-02-2024 at 10:34 PM.. |
14-08-2024, 03:20 PM | #4 |
Silver Member
Join Date: Jul 2006
Location: Poole
Bike: M900ie
Posts: 508
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Bit of an update on my on-going cock-up. So I finally bit the bullet and got on with the job, shouldn't take too long?! The plot was to try swapping over the fork stantions, assuming they are the same length. But what I hadn't thought of is that the bottom of adjustable forks have a larger recess machined into them to accommodate the compression damping adjusters. Well B____r time for a rethink. Maybe I'll just replace the seals as an interim measure, and sort it properly over the winter.
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Bitza Last edited by Bitza; 15-08-2024 at 08:38 AM.. |
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