Tires sizes for SUZUKI VS 1400 GL 1988

110/90-19
FRONT
~32 PSI
170/80-15
REAR
~40 PSI

What are the tires sizes for SUZUKI VS 1400 GL 1988?

The front tire is is 110/90-19, and the rear tire size is 170/80-15

What are the tires pressure for SUZUKI VS 1400 GL 1988?

The front tire pressure is about 32 PSI (~2.21 BAR), and the rear tire pressure is about 40 PSI (~2.76 BAR)

For accurate numbers you should always consult with your bike user manual's, your local dealer or the manufacturer