General suspension tech...

sclay115

Been Around the Block
First off, it's been a while since I have posted on here, seems like this place has grown a fair amount, good to see that. Anyways, the bike in question is a street ridden CB350, and for the sake of simplicity, I am just going to copy/paste this entry from another forum..


So I've decided that since I have a set of 360 forks laying around that I might as well put them to good use and actually try to make the front end of my 350 deal with the road a bit better. The exposed spring CB forks look awesome, but looking awesome and performing awesome are two different things.

So I need some tech advice from folks who have been down the road before. I have located some uprated front springs and emulators from Race Tech, I'm just curious if it is going to be worth the trouble to do both and then get the emulators dialed for a street bike. Or should I just grab the springs from RT and leave the emulators for the day I decide the 350 needs to be a dedicated track bike.

What do you guys think? I have read mixed reviews on sticking the emulators in there. In the end, they are still relatively low tech forks, and having to dig the emulators out as you need to make adjustments seems like a real pain in the arse. And I would predict a fair amount of "dialing" to get them right. Also, something of note, they essentially double the price of this front end refurbish, so it needs to be worth the extra coin.


I figure more exposure can't hurt, and this can be just a general inquiry, whether or not your experience involves an old Honda twin makes no difference. On an older front end setup(fixed damping rod), I am wondering if the emulators really make that bike of a difference, I have never had them on any of the other rigs(modern or otherwise), so I have no experience in the matter.

Thanks.

Steve
 
For your normal fast street rider you won't need the GVE's, but they do work great.
Not to hard to get right, really just install them as they are for a street bike.
The only problem is I don't like the RT instructions on how to install them.
Most bikes don't get enough reb damping if you do it their way and the comp get really weird low in the stroke.
I'd only enlarge the stock comp holes.

Or send them to a suspension shop. :)
 
Sorry, but progressive springs are not the way to go. Get some straight rate for your weight from RT or wherever. Sonic Springs are just as good too.

DO NOT drill extra holes in your damping rod like RT says to do. Just enlarge what you have.
 
I have a set of RT emulators that I plan to install on my CB450 build. I can not seem to get how they are installed based on their provided instructions.They sit on the bottom of the lower fork and the spring on top of the emulators?

My apologies for asking such a basic question! :eek:
 
Habanero,the emulator is captivated by the stock damping rod on the bottom and the spring on the top. Instead of using holes ( orifice ) for damping, you are now using a blow off plate with a spring as a tensioner ( why they are tunable ) the rebound damping is then controlled by the oil viscosity.

You want straight rate springs in the forks, Race Tech, or Eibach are good choices.
 
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