Just assemble everything without the spring. You'll need to use a bungee cord, or some other way of putting a little tension on the throwout fork while you install the transmission and adjust the clutch linkage to the correct free pedal, but you'll never miss the spring once the job is assembled.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!