Husqvarna 51 7 pin vs. 8 pin (full chisel) cutting speed and torque difference.
Testing a stock Husqvarna 51 with .325 pitch .050 gauge chain with 7 tooth and 8 tooth sprocket.
AUMEL .325"-7 Clutch Drum Rim Sprocket Kit for Husqvarna 55 Rancher 50 51 154 254 Chainsaw 501 45 54-03 https://www.amazon.com/dp/B08HLJ6D4P/...