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brandonlowe2
11-18-2016, 11:59 AM
What is the difference in different power reed sizes? For example, 604 vs 674?
Red Rider
11-18-2016, 02:41 PM
Just an uneducated guess here, but I think the 674 is 70 milliinches thicker than the 604. :wondering

:lol:
brandonlowe2
11-18-2016, 05:00 PM
Yea that is what I am thinking too... but, I am trying to figure out why choose one over the other?
Red Rider
11-18-2016, 10:19 PM
My first response was just some smartazz BS. The Boyesen 604 & 674 are just their part #'s. A quick search shows part #604 is for 1988-92 YZ125's & part #674 is for 1981-02 PW50's.

https://www.denniskirk.com/18333.sku?gclid=CIyN6Mbfs9ACFUNsfgodIwQM1A&ad=40841801949

https://www.denniskirk.com/180626.sku?gclid=CJX5id_fs9ACFVJtfgodSIUKBQ&ad=40841810949
El Camexican
11-18-2016, 11:03 PM
They have a help line, call it and become enlightened and empowered all at once.