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HELP!! i think i've broke my bf's motorbike!!?
engine block porting ..I guess not everyone has owned a two stroke bike..
porting is a specialized Field...go to far & it ruins the barrels..
go just far enough & you get a huge improvement in power..
If you dont know what you are doing...or dont know someone who has an idea..I would suggest you only polish the ports..
a small grinder..a few files.. and some emery/sand paper will do it
dont remove to much metal..just polish out the high spots untill the surface of the port is smooth..
How much is a 93 Honda CBR 600 that is not running but is in otherwise decent shape, worth?
should give you about 10% increase in power..adding a good expansion chamber helps quite a bit too...
I have about 8 grand to spend on a bike any ideas?
you don't port engine blocks.you port headsWhats the purpose of an exhaust tip?
you cant porting is done to the headsMore Questions & Answers ...
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