BMW F 800 GS Rider's Manual page 157

Front wheel
Front wheel design
Front-wheel rim size
Front tire designation
Load index for front tire
Permissible front-wheel imbalance
Rear wheel
Rear wheel design
Rear-wheel rim size
Rear tire designation
Load index for rear tire
Permissible rear-wheel imbalance
Tire inflation pressure
Tire pressure, front
Tire pressure, rear
Spoked wheel, MT H2
2.15" x 21"
90/90 - 21
At least 42
max 0.2 oz (max 5 g)
Spoked wheel, MT H2
4.25" x 17"
150/70 - 17
At least 66
max 1.6 oz (max 45 g)
31.9 psi (2.2 bar), One-up, with cold tires
36.3 psi (2.5 bar), Driver with passenger and/or
load, with cold tire
36.3 psi (2.5 bar), One-up, with cold tires
42.1 psi (2.9 bar), Driver with passenger and/or
load, with cold tire
11
155
z