On Jul 25, 11:29 am, yddraig wrote:
Are there any problems when replacing a chainsaw bar say from 16
inches to 20 inches? I have a PoulanPro 3800 series and would like to
add a larger bar (occasionally) to cut larger logs. Poulan says that
the saw was not designed for a 20 inch bar (of course they do), am I
doing anything inherently risky by upsizing?

Thanks

For the horsepower I'd say your saw was about maxxed out at 16"