Triumphrat

athomas

I just got my Ikon springs, and they're longer than the stock springs, by about 5.75". There was a tubular spacer about 7.875" long above the stock springs. Do I shorten this spacer by the difference in length between the springs, (5.75")? This would leave a spacer about 2.125" above the new springs. I'm assuming this would give me the same amount of preload that I now have. Would more preload (longer spacer) make the springs stiffer? I have access to a machine shop during the day, so doing the work is not a big deal, but the bike is at home, so I have to do the machining at work, then come home and try the parts, and make the changes the next day. Thanks again for any input. You guys are great.

oldroadie

My progressive springs came with simple section of pvc meant to be cut to length for the preload spacer so you can easily make your own. When installed, the progressives had a tad more preload than the stock set using the stock spacer so I think I might be tempted to go for a little more load and firm up the initial response. Do the Ikons have any specific instructions?

__________________
2001 Bonneville
2004 Bonneville America

athomas

The only instructions were to take the old spring out, and put the new one in with the tighter coils on top, and re-install any spacers. The springs are so much longer that the new spacers won't fit. I'm going to try my initial thought, and if it doesn't work, I'll just fab some new spacers later. I may make them a bit longer than the difference in the spring length just for a little more preload.

ridesouth

Ikon calls for a spacer of at least 12 mm on the Bonneville springs. That info was included in the box with mine and it's on their site and the NB site. I used that for a starting point and am OK with it, but I am making one a little longer for an option to beef up some for more spirited rides. Enjoy the Ikons - you'll see an immediate improvement!

__________________
Ridesouth
'07 Black-no ai, airbox mod w/K&N, tach, K&Q,Thrux gel & Corbin seats, TOR's, Ikon shocks/springs, 19/43 sprockets,Highlander bars, PIAA 510'S
"...let's fire it up and wind it out...come on baby drive south." John Hiatt - "Drive South"

REVOLT

It's a **** Shame that we spend so much money on so many items...from any "shop" or manufacturer...and all they send us is some HORRIBLE "Remove & Replace" B.S. instructions!

I can't tell you how many things I have installed where I had to GUESS or decipher some stupid (faded gray) copy of a copy of a copy on how to install something...not to mention the diagrams made out of Tetris blocks...

Sorry to HighJack your thread...I will be installing my Hagon Progressive fork springs here soon, and the instructions are so generic but pretty no spacer modification needed. We'll see...

Good Luck with your install!!

Cheers!

__________________
The Bonnie Situation...

whoa

I read this from newbonneville.com "general installation instructions".

After the new springs are in the forks:

At this point you may or may not need to re-use or install a spacer. If the new springs are
above the fork tube then spacers will not be needed. If they are below the the top of the tube
then if there was a spacer originally it will need to be re-used as is or shortened. In some
cases a longer spacer is needed. In cases where there is no spacer originally or where a
longer spacer is required the new spacer may be supplied with the new springs. This is not
always the case. If no spacer is required PVC pipe or Aluminium are commonly used to
make same.

__________________
05 Thruxton

ridesouth

...and right below the link to that generic stuff is some red type:

** The minimum length the spacer needs to be is 12mm. The stock spacer in the forks is longer than that so it can be shortened to suit.

They work well -- have fun!

__________________
Ridesouth
'07 Black-no ai, airbox mod w/K&N, tach, K&Q,Thrux gel & Corbin seats, TOR's, Ikon shocks/springs, 19/43 sprockets,Highlander bars, PIAA 510'S
"...let's fire it up and wind it out...come on baby drive south." John Hiatt - "Drive South"

uzidzit

Here is the link to a sportrider article on the subject. The spring makers cannot give you a number for the spacer length as they do not know what you weigh.
http://www.triumphnet.com/st/acc/racetech/setup.htm

__________________
"Peter, It seems like you have been missing a lot of work recently, well Bob I wouldn't say that I've been missing it"
ENOUGH, go out and ride!

Kramocker

"After the new springs are in the forks:

At this point you may or may not need to re-use or install a spacer. If the new springs are
above the fork tube then spacers will not be needed. If they are below the the top of the tube
then if there was a spacer originally it will need to be re-used as is or shortened. In some
cases a longer spacer is needed. In cases where there is no spacer originally or where a
longer spacer is required the new spacer may be supplied with the new springs. This is not
always the case. If no spacer is required PVC pipe or Aluminium are commonly used to
make same."

Oh...this makes it perfectly clear! ***!!!? Are ya kidding? I'd love to give my customers at work instructions like this...

After you call I.T. for support:
At this time, you may or may not need to re-boot your computer. If the new monitor is larger than the old one a stand may be necessary. If the new monitor is shorter you may need to jack up your PC. In cases where there was no original difference in size between the two monitors or where a larger monitor is required the new monitor may be supplied with a stand. This is not always the case. If no stand is required PVC or aluminum are commonly used to make the same.


Cheers,

SK

__________________
2007 T100 T&O - AI's off, ARK, K&N's, 42 pilots, 140 mains, 2 turns out, D&D silencers, ACR Adjustable Clubman's, KYB's, WP springs, Thrux gel seat______________________________________________
Who's that little old man with Paul?

Baltobonneville

Once you get it apart, you'll see. It seems mysterious until you see how it's put together.

Take it apart, measure length of old spacer plus old spring, this will be your starting point. New spacer plus new spring should be about the same length.

Fork fully extended, with spring and spacer in place (don't forget the washer between), should leave the spacer just peeping over the top of the tube, so you'll have to push the cap down slightly (use a socket) to get it started.

If you're inclined to play with preload (I'm not), you can proceed from this point and play with longer spacers.

__________________
Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes, Unifilter, no snorkel, 120/40/Thrux needle/1 shim/3 turns, fly screen, tacho, D9 gauge panel, center stand, Ikon 7610s, Hagon fork springs, gaiters, Pirelli Sport Demons, 3 seats.