1978 Yamaha SR 500

  • Frame de tabbed and hooped
  • Battery relocated
  • GSXR front end
  • Adapted brembo brakes front and rear
  • Brembo front rotor
  • 18″ RD400 wheels
  • Custom made sprocket carrier
  • GSXR rearsets
  • Cal Fab aluminum swing arm
  • Custom made rear brake stay
  • Bobbed Honda front fender with handmade fork brace
  • Gauge bucket molded into headlight bucket with re orientated Lossa brand tach face
  • Tommaselli headlight ears
  • Binelli gas tank with custom Lossa gas cap
  • Handmade steel tail section with frenched in Lossa tail light
  • Wired from scratch
  • Weisco Big bore kit
  • WebCo Cam
  • Heavy duty valve springs
  • Ported head
  • 36mm Mikuni carb
  • Custom intake manifold
  • K&N filter
  • Custom exhaust with Lossa cone muffler
  • Welded sprocket cover to stator cover to make one piece
  • All aluminum was polished first, then hand brushed and cleared over
  • Works shocks

Lossa Engineering’s short film “Solus”


Cafe Racer TV season 1

episode 5

episode 6


episode 7


Japanese Sound of Singles SR magazine vol. 4



2010 Long Beach IMS Ultimate Builder, 3rd place


Boz Bros!

Eric Bostrom


Ben Bostrom