New RaceTech fork springs - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 5 Old 07-30-2019, 10:34 AM Thread Starter
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New RaceTech fork springs

I "finally" got around to ordering and installing some RaceTech .95 "straight rate" weight springs with Spectro 10wt fork oil. It's a real easy thing to do, I am intimidated by suspension stuff and had zero issues. I opted to not go with any kind of additional valving at this point, as I wanted to see the performance and ride with appropriate spring weight and proper weight fresh oil first. Be sure to drain all of the old oil out, I recommend using a bit of fresh fork oil to help clean out the forks internals as well. The new straight rate springs which I received were approx 7 inches shorter than the stock .65 progressive pieces of crap, so I needed to cut "2" 230mm pieces of the PVC spacers included in the kit. Due to the MUCH stiffer springs, I had a hard time getting the fork cap screwed back on. I carefully installed each fork back into the clamps/yoke and only tightened the top triple tree bolt. I noticed what was causing much of my issue once I saw some galling on the top of the PVC spacer, the preload adjustment screw has a cotter pin which kept binding on the much thicker walled PVC spacer compared to the thinner walled metal OEM spacer. I took off the cotter pin and was then able to pretty easily get the top cap back on with the help of the triple tree clamp as a holding parter.

After buttoning everything back up and torquing to specs, I went out for a quick ride.......wow the difference right away was staggering. Not at all harsh like I was expecting when hitting expansion joints and such, and the previous horrendous nose dive from hard braking is totally gone. I got to go out for a brisk twisty road 200 plus mile ride the next day with some rough gravel roads included, and I am left very impressed with the feel and performance of the new front suspension. I might upgrade to the fully adjustable valving someday, but right now the improvement over the weak stock springs is drastic. I recommend not going with progressive wound springs, go with RaceTech or Sonic straight rate springs instead. This is one of those mods which......you don't know till you know, just how under-sprung the stock suspension is if you are over 160 pounds.
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post #2 of 5 Old 07-30-2019, 11:50 AM
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Big B, I used the same springs on the front forks of my Vee, and had the same reaction!! I really really really like that the nose dive from braking is gone. I even realized that the front wobble I used to experience passing tractor trailers on the interstate is gone. The front end is solid. (Now I'm trying to figure out what rate spring to use for the rear DIY spring replacement/installation).
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post #3 of 5 Old 07-30-2019, 11:56 AM
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"2" 230mm pieces"

Roughly 9 inches?
So you pulled the forks and up ended them for the drain and rinse?
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post #4 of 5 Old 07-31-2019, 05:33 PM Thread Starter
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Quote:
Originally Posted by notacop View Post
"2" 230mm pieces"

Roughly 9 inches?
So you pulled the forks and up ended them for the drain and rinse?
Yeah totally pulled forks off, drained all old fluid out by pumping and hanging, visually inspected the seals, installed everything minus the pvc spacers into the fork clamps, then used the fork clamps to help me install the caps back on. The OEM metal spacer is "I believe" 100mm, Rich Desmond said on a post somewhere here on the forum, that with the RaceTech springs just cut "2" 230mm spacers and be done with it. If I end up installing the gold valves or similar, then I'll have to cut down the PVC spacers slightly.
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1997 Honda Valkyrie 1500 custom “Dolores”




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post #5 of 5 Old 08-01-2019, 08:36 AM
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The fork springs made a drastic difference for me as well! Well worth the money!

When I did my spacers I actually added an extra 25mm or so to add some additional preload and give the ability to adjust even further.
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