? on kibblewhite black dimond valves

[honda288]

has anyone ran blackdiamond valves with stock spring and collars thanks

[underpowered]

what bike?


i run kibble whites in my 400ex with stock springs and retainers. no problems.


the spring kit is a must on some bikes though.

[honda288]

crf450 bike motor

[Colby@C&DRacing]

You can use the stock springs. I would suggestion the HD spring kit though just for added insurance.