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In the shop: 1975 Z1 900 Motor Build

We recently had a customer come to us for a motor rebuild. A motor "build" to us, is a little bit different from a rebuild in the way that you are adding performance to the motor while refreshing the internals. The ultimate goal of a "build" is performance. Our customer requested something a bit more than a build, the "Whole nine yards' doesn't really do it justice. We received the bike in the beginning of December and immediately started tearing the motor apart to see what it would need would need. Craig (the customer) wanted to get performance from this motor, he had previously had the motor bored out but the job wasn't done correctly. This time around Craig wanted to make sure this motor wouldn't be giving him anymore problems.Work performed:

-Transmission inspected and gears have been undercut

-Crankshaft was trued, welded, and balanced

-Clutch hub was rebuilt and balanced

-New Clutch with stronger springs

-All lower end gaskets replaced as well as new hardware.

-New billet breather cover and oil cover kit

-New cam chain

-Wiseco pistons (1015cc) installed

-Cylinders bored

-Cylinder block decked

-Liska rollers, tensioners, and manual chain tensioner installed