Author Topic: Suspenders setup  (Read 801 times)

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#10

Offline Ukwes

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Re: Suspenders setup
Reply #10 on: 07 April, 2021, 05:28:47 PM
Have you checked/hit your rider sag?
Other bikes: 2010 Street Triple R,  ZXR 400 race bike for track days and Husqvarna FE350 for green lanes, a Husqvarna 701 Enduro for TET and a Yamaha TDR250 for investment fun

#11

Online tiggersteve

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Re: Suspenders setup
Reply #11 on: 07 April, 2021, 06:54:16 PM
*Originally Posted by Ukwes [+]
Have you checked/hit your rider sag?

 :005:
Is that a personal issue???
 :008:

#12

Offline Paullie

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Re: Suspenders setup
Reply #12 on: 07 April, 2021, 10:29:42 PM
I would also look for tiny flats on the surface (especially if the bike has been stood for months). Also spin the wheel with the weight off and no disk pads, and check the tyre edge indicator (I forget the proper name) is exactly the same distance from the rim all the way round, on both sides. Any variation here will cause instability (and is usually caused by tyre fitters applying too much force and too little patience.

#13

Offline af1-windy

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Re: Suspenders setup
Reply #13 on: 08 April, 2021, 08:38:48 AM
This guy is just up the road from me. I've heard nothing but praise for his work.  https://alphasuspensionset-up.co.uk/

My mate is up there this weekend. It'll be his third time/bike and he's always pleased with the results.

I'll book mine in for next weekend, busy moving furniture this weekend,  and report back after test ride.

 :031: windy

#14

Offline TimboLeMatelot

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Re: Suspenders setup
Reply #14 on: 11 April, 2021, 09:05:12 AM
Finished off a 6k service yesterday and had a measure up too.

Too much sag in fact, and being the numpty that I am I had lost track of where I was with it all having been fiddling since I had the forks re-worked by Maxton.

The disappointing thing is that I realise the Nitron rear shock requires 12 turns of the pre-load adjuster to set the static sag at 10mm, with me sitting on the bike sag was 30mm. This means I have only two turns of adjustment to play with should I put the wife and pillion on the back so I am off the opinion that the hydraulic collar on the shock will need moving down on the spring when next I get it serviced. Disappointing because when I ordered the shock I did say we rode two's up and luggage so I don't think that has been accounted for.

I have also reset the forks to 18mm through the yokes rather than the 23mm I had, to offset the lowering links, but I have a feeling that will prove to be a bit slow steering for me. Test later today! We'll see what happens.

Bw

#15

Offline TimboLeMatelot

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Re: Suspenders setup
Reply #15 on: 11 April, 2021, 09:07:10 AM
*Originally Posted by Ukwes [+]
Have you checked/hit your rider sag?

You were on the money!  :002:

#16

Online Paul2bikes

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Re: Suspenders setup
Reply #16 on: 11 April, 2021, 09:56:27 AM
Did Maxton set up the suspension?

Mine is all stock except for the 25mm lowering links & dropped front. Before I lowered it, it was fine with mrs on back without any adjustment. After lowering it needs much more preload with pillion.
Also: '16 Tiger 800, '95 Yamaha Serow, '58 Ariel FH.

#17

Offline TimboLeMatelot

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Re: Suspenders setup
Reply #17 on: 11 April, 2021, 10:27:42 AM
I sent the forks off in the post so set it all up myself.

Fixed preload on the forks, just going out now!

Bw

#18

Offline TimboLeMatelot

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Re: Suspenders setup
Reply #18 on: 11 April, 2021, 04:32:35 PM
Test ride a success!!  :001:

Instability in high speed corners has gone, and pleasantly the steering is quick enough so I will run with that now. I just need to fine tune the forks comp and rebound.

Maxton recommended the 23mm of fork change so it is interesting that the 18mm seems good enough. Richard's (at Maxton) maths calculation support his figure and opinion, but in practise perhaps not?. I may, at some point, try 20.5mm and see how much difference it makes.

I do think that my issue with the instability was the lack of pre-load. :015:

A nice run out today though, 100miles or so and with some sunshine thrown in.

Bw

 



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