GSF1200S K4 2nd Generation Headlamp Repair and Mods (Common Faults)
Suzuki GSF1200S K4 Bandit Headlight Repair.
If you look anywhere on the internet regarding the headlights on the 2nd Gen Bandit S models 1200 and 600 you will find numerous instances of the problem I have with mine. Namely poor light output, dust inside the lens and buzzing. Admittedly 90% of the buzzing will be coming from the windscreen and other loose fitting in the front fairing. I noticed an big increase in buzzing around 3000 rpm lately so had a good look round the area and discovered
I decided to run the low beam relay from a switch to give me the option to start the bike without the additional load of the headlight when the starter motor spins. I also wanted to run my Day Running Light on the oil cooler via a switch. The ideal place to mount 2 switches is the gap just below the clocks.
I started with an old plastic bolt draw and made cut outs for the small switches to fit into.
The housing was then painted and switched sealed underneath with silicon sealant.