BMW Motorrad R 18, Rider'S Manual, Page: 125 / 158

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Front wheel
Front wheel design Spoked wheel
Front-wheel rim size 3.5" x 19"
Front tire designation 120/70 R 19
Load index for front tire 54
Permitted front wheel imbalance max 0.2 oz (max 5 g)
Rear wheel
Rear wheel design Spoked wheel
Rear-wheel rim size 5.0" x 16"
Rear tire designation 180/65 B16
Load index for rear tire 73
Permissible rear-wheel imbalance max 1.6 oz (max 45 g)
Tire inflation pressures
Front tire pressure 36.3 psi (2.5 bar), One-up, with cold tires
36.3 psi (2.5 bar), Two-up mode with load,
with cold tires
Rear tire pressure 42.1 psi (2.9 bar), One-up, with cold tires
42.1 psi (2.9 bar), Two-up mode with load,
with cold tires
ELECTRICAL SYSTEM
Fuses
Fuse 1 10 A, Anti-theft alarm system (DWA), in-
strument cluster, OBD connector, cut-off
relay, ignition switch
Fuse 2 7.5 A, Sensor box, round instrument, left
multifunction switch
Main fuse 50 A, Main fuse
Fuse 4 15 A, OA connector fuse block
Electrical rating of onboard socket 5 A
Battery
Battery design Absorbent Glass Mat
Battery voltage 12 V
Battery capacity 26 Ah
Spark plugs
Spark plugs, manufacturer and designation NGK MAR8AI-10DS