Michael Belshaw

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Motorcycle Fairing Construction

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Intro

In the summer of 2004, I began constructing new fairings for my 2002 Ninja 500 (EX 500) motorcycle. I formed molds the old fairings, using plaster and cheese cloth. I then used these mold to fibreglass new fairings that I could paint.

I have completly finished the lower fairing and have partially completed side fairings.

The lower fairing took one month to complete.

 

 

Images from Construction of Lower Fairing

 

 

 

 

 

 

 

 

 

 

 

 

 

Initially, Plaster of Paris was used to make a mold of the four sides of the lower fairing. Above is an image of one such mold made with the Plaster of Paris and Cheese Cloth.

Each of the four molds were then fiberglassed one by one and joined to each other section by section. The molds were made to have overlapping areas which aided in correctly joining of sections.The image above shows the right side of the fairing mold (bottom part of image) being fiberglassed to the already constructed front and bottom sections.

 

 

 

After fiberglassing the third side onto the front and bottom sections, the fairing was almost finished - only the left side needed to be complete. Sanding was done to remove some of the unwanted material before fiberglassing the final (left) side.

 

Above, the fourth side was then fiberglassed into place in the same manner as before. A brink was placed on the fairing to ensure correct aligment of the new section with the previous section (new section joined with the front bottom and left sections previously joined together).

Finished fiberglass copy (left) beside the original (right). The white marks on the original are plaster residues from the molding process. Finally, sanding and bubble filling was done in preperation of painting.

 

A coat of primer was applied and areas requiring smoothing had glazing putty applied (the red areas are coated with glazing putty). The areas with the glazing putty were sanded smooth before painting with a final black coat. Later, a clear coat was applied to achieve a strong shinny finish.

This is the final fairing installed on the motorcycle. Rubber washers were used with the connecting bolts to keep vibrations to a minimum and to prevent the fiberglass from cracking under stress.

 

 

Images from Construction of Rear Fairings

 

 

 

 

Molds were initially made from the original fairings. These molds were painted with lacquer to pervent the plaster from absorbing the resin.

Wax was applied as a releasing agent so that the mold would not stick to the finished fiberglassed section.

Fiberglass was applied to the mold and allowed to fully dry and later the fiberglass fairing was removed from this mold.

Later the fairing sections where tested for fit and were painted.

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