chain sizes! or whats up with all these numbers?

Discussion in 'Frame Mounted Engines' started by pbeggs, Oct 9, 2010.

  1. pbeggs

    pbeggs Member

    HTML:
    Chain Number	Pitch	Roller Dia	width	Pin Dia
    #40 (#425)	1/2	.312		5/16	.156
    #41        	1/2	.306		1/4	.141
    #410 (#43)	1/2	.306		1/8	.141
    #415 (#42)	1/2	.306		3/16	.141
    #415H (#42H)	1/2	.306		3/16	.141
    #420		1/2	.306		1/4	.156
    #25		1/4	.130		1/8	.091
    #35		3/8	.200		3/16	.141
    here is a chain size guide
    this refers to us chain size,.. not the metric chain that can come as motor chain for some chinese 2 stroke kits (best replacement is #41)
    chain numbers in () are industrial chain numbers if diff.

    information is from this website http://www.azusaeng.com/chain/mcyclchn.html
     

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