They use a 4mm Allen Key.
10x honda stainless steel fairing bolts with shoulder part number 90114-MCJ-000
Stainless Motorcycle Fairing Bolts Pan Button Head Select Length mm Size m5 m6
203Pcs Motorcycle Fairing Bolt Kit, M5 M6 304 Stainless Steel Black Zinc Windscreen Screws Fastener Clips Universal Fit For Motorcycle Sportbike GSXR Honda Kawasaki BMW Ducati Suzuki Yamaha
AEEAST 177Pcs Motorcycle Fairing Bolt Kit, M5 M6 Stainless Steel Windscreen Screws Fastener Clips Universal Fit for Sportbike Suzuki Kawasaki Honda Yamaha BMW Ducati GSXR Motorcycle(Green)
Honda ST1300 Pan European 2002-2016 stainless steel motorcycle fairing bolts
Honda CBR1000RR 2006-2007 stainless steel motorcycle fairing bolts
