Lapping the flywheel to the crank is an important part of flywheel installation. However the time it takes to lap one in is much shorter than most realize. We have a video attached to most flywheels on our web site and on our facebook page for visual illustration, but you only need around 20-30 seconds of work with a fine to medium grit compound to match the tapers together. Any longer (or using a coarse compound) could result in changi
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