The 925 will help. But only to extend your time of ride. And not by as much as you want it to.
You are pulling too much juice. Either get the second battery, or do an alternator. Both are a compromise to let you get a good night run, which is what you want.
Jokar Grab Bar |Crow 5 Pt. Harness | Dynatek CDI | BRP Harness bar |BRP dash/voltmeter & buttons |SSV Speakers Amp & Bluetooth IPOD stereo | Rais tube on Uni billet intake | iShock 3.5 Mid and revalved Sport Shocks | Douglas beadlocks and paddles (Dunes) | HID Headlights and 4 Kragen HID 7" | ALBA alternator kit