Meeting your performance needs - Page 6 - Honda ATV Forum
Performance Modifications Have Modifications? Want to ask about a mod? Having problems with a certain mod? Ask and post here! Carbs, Exhausts, Engines, Etc...

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post #51 of 54 (permalink) Old 11-15-2011, 07:36 PM
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What does stroking the crank mean?? Also, what does stroker mean in an engine??

2011 Rancher 420 FPM
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post #52 of 54 (permalink) Old 11-15-2011, 09:43 PM
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Different amount of crank throw, you can change the torque, change how fast it raps up and change the actual size, because of how much air it pulls in.
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post #53 of 54 (permalink) Old 11-16-2011, 05:38 PM
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Ok thanks.

2011 Rancher 420 FPM
AMS Swamp fox tires
Stearns rear rack bag
Superwinch Terra 25
Moose rear bumper
Fuse powersports trailer hitch
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post #54 of 54 (permalink) Old 06-10-2012, 09:33 PM
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I know this thread is old but did anyone ever find out if the foreman 500 stuff would work on a 420? Apparently they use the same head so if the piston pin size is the only issue could'nt a custom piston be made rather easily?
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