Hi Phil
Not too bad to do and did the change over in about 3 hours.
So that I had everything beforehand I bought an extra pair of damper rods and did the damper rod mods at work prior to the change itself which is easy (open up the two original damper rod holes to 6mm and added four more) As these holes now just allow unrestricted oil flow during fork leg compression, as the emulators now are responsible for the damping rather than these holes.
(Note there is no need to “seal” the small top damper rod bleed hole near the top of the damper rod head as part of the install
)
And for the final “initial” set up it was easy too as if you contact Race Tec, as they have years of experience they will supply the full set up details for setting up your bike (known as a DVS) such as which emulator spring you need to use (as there are three types) and what the preload for this should be for this spring. Also their set up information also states how many holes you need in the emulator valve plate ( in my case 3) and finally what weight of oil you should be using and the required air gap (C) shown below when the forks are fully compressed,
Which was interesting, as for my final air gap of 130mm, (as per the Race Tec set up information), each leg has about 250cc of oil in verses the Haynes manual that says 165cc. But this air gap is important as it adds to the overall loading when the leg is compressed as this air gap is also compressed by the fork oil and acts like an air spring, so a smaller air gap will tend to “stiffen up” the fork legs over a shorter distance as they are compressed.
Plus if you are using Race Tec springs (which I bought to match my weight which have a slightly higher spring rate than standard and are linear type rather than progressive type) they will also give you the correct fork spring preload for initial set ups etc
So in answer to you question, if you do get your emulators the initial set up is easy, and if you need any other setup info, contact Race Tec direct as they are only too happy to advise and help you with any questions.
This was my DVS custom set up sheet emailed to me by Mike at Race Tec, when I enquired on how to do an initial set up for a CB400F with a rider weight of 80kg. As after getting Race Tec springs and emulators with all the extra preload springs and extra valve plates etc. I understood what to do, but needed to know the correct parts to select, and what adjustments were required to do a initial set up for a CB400F with a rider weight of 80kg
Hope the above is of help
Best wishes always Al
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