PZP Posted January 14, 2013 Share Posted January 14, 2013 Just recently I thought about adding an after market stereo system to my 2007 R1200RT, and began wondering if my electrical system could support the draw of another device. I could'nt find a definitive answer for normal operating load (without add on devices), although one souce claimed he believed it was about half of what the maximum output of the alternator was. Anyway, found these stats on 2007 R1200RT which someone may find useful when looking at amp / watt loads. 12 31 - Alternator with drive and fasteners Alternator manufacturer and type Bosch three-phase alternator with integrated, fully electronic voltage regulator Alternator speed for start of charge 1200 min-1 Maximum output power of alternator Voltage 14 V 660 W Generator, gear ratio 1 : 1.8 Maximum output current of alternator at engine rpm 4000 min-1 55 A Alternator drive Elasto belt 4PK582 Elasto belt, length 582 + 4 − 4 mm Rated current of alternator at engine rpm 1000 min-1 27 A Maximum speed of alternator 18000 min-1 63 10 - Front lights, position lights and side lights Bulb for parking light W5W / 12 V / 5 W 63 12 - Headlight Bulb for high-beam headlight H7 / 12 V / 55 W Bulbs for the low-beam headlight H7 / 12 V / 55 W Distance between headlight and vertical surface For headlight adjustment 10 m Distance between light/dark cut-off and mark at height of centre of headlight Suspension set to basic setting and motorcycle loaded with 85 kg 15 cm 63 13 - Flashing turn indicators, front Bulbs for flashing turn indicators, front P21W / 12 V / 21 W 63 17 - Foglights, additional lights Bulb for rear fog light P-25-1 / 12 V / 21 W 63 21 - Rear-light cluster Bulb for tail light/brake light P21W / 12 V / 21 W 63 23 - Flashing turn indicators, rear Bulbs for flashing turn indicators, rear P21W / 12 V / 21 W Other sources found: PIAA 1100x: 110W -for both (about 7.8 amps) Zumo 15W max (1.07 amps) Rumble Road Raw 200 amplifyer: 15 amps max (about 210W) OEM heated grips unk, but most aftermarket use (about) up to 4 amps Link to comment
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