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Old 05-15-2012, 03:51 AM   #5
carpetburn
Gnarly Adventurer
 
Joined: Dec 2009
Location: brisbane
Oddometer: 121
i run 1000cc nikasil jugs with 75/6 heads[twin plugged but otherwise standard] and has run well for 4 years or so, just replaced exhaust valve guides but heads work fine on bigger jugs.
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