Kickstart RPM

Every bike requires a different starting technique. My 1975 RD250, a couple of swift kicks. 500 Goldie ease over compression, then a long kick (or pull in the decompressor, spin over with the electric start and release the decompressor)
With Amal concentric carbs which do not have a dedicated start circuit it is essential that the pilot circuit is perfect. The non removable pilot jet is prone to clogging, use a 0.016" drill bit to clean
Exactly.
 
Most difficult Commando I have kick started was a Yellow Peril Production racer replica.

Such a long stretch to the clipons. Seat way back. Tank high at the back. Faring catching your wrist if you sit up. High compression.

Trying to get a decent swing on the kick-start is nigh on impossible unless your 7 feet tall.

Not a bike for the over 60s. 🤣🤣🤣🤣
A lot of the PR riders in the day fitted modified kickstarts, with maybe 3" of rod welded in to lengthen them. They needed it for dead engine race starts.
 
I can start a Norton 600 single with my hands, it only kicked back once an pulled the belt through my hands, though I was expecting it.
 
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