Yokomo have posted info on new spring set:
http://www.teamyokomo.com/news/order...26_ys_axxx.pdf
Running through Google translate:
Notice of Corporation Yokomo new product launches
All-round type
Big bore shock for off-road spring
New series appeared to spring for the big bore shock that has been adopted in the B-MAX series and YZ-2!
Normal driving on dirt road, of course, Haiguri~tsu in YZ-2 ultra-low center of gravity.
Also induces a moderate role in the case of traveling on a road surface up, to ensure the forward traction in cornering. Even while keeping the repulsive force, to use the materials subjected to the hardening process of pulling the flexibility, in certain characteristics of sticky even when it is deeply stroke, allowing attitude control without sacrificing control.
Front:
YS-A750 - Front spring for Bikkuboa shock (Orange)
YS-A775 - Front spring for Bikkuboa shock (Green)
YS-A800 - Front spring for Bikkuboa shock (Pink)
YS-A850 - Front spring for Bikkuboa shock (Red)
YS-A875 - Front spring for Bikkuboa shock (yellow)
YS-A900 - Front spring for Bikkuboa shock (Gold)
Rear
YS-A1175 - rear spring for Bikkuboa shock (Orange)
YS-A1200 - rear spring for Bikkuboa shock (Green)