We Inserted the piston and spring back into the cylinder then slid the piston back to assist in trigger assembly
We inserted the spring guide
We did A B C and D first
Standard springs will fit but we were asked to fit a TITAN mainspring - which needed to be cut down
From This
TO THIS
Placing C on top of D
1962 BSA Meteor Mk 2
THE REBUILD
We measured the old spring and counted two coils into the length of the old spring. We marked the new spring where we were going to cut it
We ground the spring flat and allowed it to cool
We cut the spring to the desired length
Using a high temperature blow torch, we heated the end we had just cut
Whilst still hot, we gently tapped and compressed the end about half a coil