My friend and I were repairing his bike (opening it for the first time). We don't know what this is, please tell me...

Couldn't help myself had to pull over for the pic....

#allweatherrider #XJ900SDiversion #divvymanstravels #diversionxj900s #beasaferider #ridesafebacksafe #yamahadiversionxj900s #yamaha #xj900s #winter...

You can replace the pump for $30, if your real, real careful with disassembly. Just hope that 1. it works & 2 it fixes the cutting out problemo. Otherwise its orf to the dealer for him to rape &am...