Originally Posted by Wadester
Always count the links in your old chain and cut the new one down to size BEFORE pressing the side plate onto the master link. This will save you from haywiring something up to pry said side plate back off the pins so you CAN take off those 2 extra links.
I usually lay the old & new chains alongside each other on the bench, saves counting.
Of course this doesn't quite work if you have decided to run some different gearing for a change & the chain needs to be a different length