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Rear Spring Preload

Joined Oct 2009
15 Posts | 0+
Adelaide South Australia
G'day faithful Husa' lovers.
I have another mare in the stable.
'05 FS650e - 13000kms.

This is 'not long after delivery' banta!

Other than everything else I'm dialing in engine wise, I want to sort my suspension.
I do love these bikes because they are racers at heart.

As with anything you cop second hand you have to start with things not suited to oneself!
The preload settings on the rear spring look like this from the previous owner:
HusaRearSpringPreload22mm.jpg


Thats 22mm, or almost an inch, of preload. WTF?
The bike feels tall and stiff, 'skitty', and dangerously fun haha.

I am familiar with massive stiff set ups on bikes, ( Ducati owner), so I can ride it like this, but I''m new to the 'ideal' supermoto set up.
Other supermotos I've ridden have a real 'dig in' on the rear... for traction.
Does it come down to what your comfortable with?
No rules?

Does this amount of rear preload seem absurd?

It's a ***** load of fun but...

Although I'm a big fella (100kg), or 220lbs for you imperial folk, why would someone dial in that much preload? Is there some point to this madness?

The handy book says 12mm max.
I have 80mm of rider sag on the rear with this set up.
Ideal is 90 - 120mm by the book.
What do you other fellaz do for street set up moto fun?
 
you need to measure the compressed length of the spring and not just look at the threads! measure the length of the spring as well as all the sags.

regards

Taffy
 
Re: RE: Rear Spring Preload

Taffy said:
you need to measure the compressed length of the spring and not just look at the threads! measure the length of the spring as well as all the sags.

regards

Taffy

Compressed length of the spring is 235mm.
Rider sag is 80mm
Static sag is? I'll let you know. How important is it anyway?

All I really want to identify is if the supermoto set up suppose to be so stiff?
I feel the need to wind out some preload on the rear.
 
RE: Re: RE: Rear Spring Preload

you have the spring wound down 15mm which is way too much. if all the sags are right then the spring is hopelessly wrong! i had mine wound up by 12mm and went up 4 sizes for enduro! so that gives you some idea!

regards

Taffy
 

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