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Disassembling the Top End and Cylinders

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Written by Randy Fox   
Saturday, 03 November 2007

Disassembling the Rocker Bases

If you will not be doing any work on your rockers or the base, there is no need to disassemble them; you can skip this section.

To remove the rockers from the bases, first remove the rocker shaft retainer bolt for one of the rockers. See photo below.

 

Rocker Base, Yamaha Road Star

 

Next, tip the rocker base--down, and right--to encourage the rocker shaft to drop out, and into your hand (which should be ready to catch it). Also, be prepared, as the rocker barrel will drop free of the rocker base.

If the rocker shaft doesn't drop out, lay the rocker base flat, insert a small screwdriver or hex wrench into the retainer bolt hole, and lever the shaft out a little to the right-side. Then grab the shaft with your fingers, and pull it out. Be prepared, as the rocker barrel will drop free of the rocker base.

Note: Do not force anything. The bearing surfaces between the mounts and rockers are easily damaged.

Mark the end of each shaft and rocker (Intake/Exhaust, and Front/Rear, as each one corresponds).

Repeat this process for the other rocker, and the other rocker base. Place the retainer bolts and rocker shafts in a baggie, mark the bag, and store.

 
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