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I almost purchased the "R-25" radiator grill that Fang Shui found on Ebay, but I got to thinking about a "Superbike" style full grill, and found perforated aluminum on ebay (meant as a truck grill). I'm kind of handy with fabricating things like that, so I made a heavy paper template.

Then a posterboard mock-up (blue was what I had in the shop) to see about fitment--notice it bends to fill the side vents, too.

After careful adjustments to the template, I traced it onto the 1/16" thick aluminum and cut the line with a dremel.

Some deburring was needed to smooth the edges for the rubber edging that was purchased with the grill, then I made the 80-degree bends to the side vent sections using a vise-mounted mini metal break. Then applied the edging.

The long strip on the bottom was for attachment where the fairings come together--I replaced the plastic rivet with a bolt/washer combo.
I used zip ties through the top of the radiator, and through the former philips bolt holes at the top of the plastic "V" panel.

I had to bend it a little to form it to the slight curve in the panels; a small gap is there, but not noticable from a few feet away (unless pointed out).

Airflow seems fine. No overheating so far...

Then a posterboard mock-up (blue was what I had in the shop) to see about fitment--notice it bends to fill the side vents, too.

After careful adjustments to the template, I traced it onto the 1/16" thick aluminum and cut the line with a dremel.

Some deburring was needed to smooth the edges for the rubber edging that was purchased with the grill, then I made the 80-degree bends to the side vent sections using a vise-mounted mini metal break. Then applied the edging.

The long strip on the bottom was for attachment where the fairings come together--I replaced the plastic rivet with a bolt/washer combo.
I used zip ties through the top of the radiator, and through the former philips bolt holes at the top of the plastic "V" panel.

I had to bend it a little to form it to the slight curve in the panels; a small gap is there, but not noticable from a few feet away (unless pointed out).

Airflow seems fine. No overheating so far...