OEM Tires and wheel sizes (factory service manual)
Tire Size Wheel Size
Front (86-93) 110/80VR-18 or 110/80-V18 2.15” x 18”
Front (94+) 120/70R-18 59V 3.00” x 18” Note: 94+ OEM tire measures 111/78-18 110/80-18 best fit
Rear (86-93)  150/80VR-16 150/80/VB16 3.5” x 16”
Rear (94+) 150/80R-16 71V 3.5” x 16”
Radial or Bias? Handling (stable, sporty, twitchy) Mileage (approx) Recommended PSI (F/R)
Avon *fitment recommended by manufacturer        
http://www.avonmoto.com/ North American site  
Storm 2 Ultra (1986-1993) * 110/80ZR-18 R  
Storm 2 Ultra (1994-2005) * 120/70ZR-18 R quick, sporty, confident corner carver  
Azaro ST AV46 (All)  * 150/80ZR-16 R quick, sporty, confident corner carver 13-14k  
Roadrider AM26 110/80-18 58V  
Roadrider AM26 120/80-18 61V B  
Roadrider AM26 150/80-16 71V B  
AM41 Venom 100/90H-18 56H B  
AM42 Venom 150/80H-16 77V or 77H B Smooth, no flopping over 36/42
AM42 Venom 160/80H-16 81H B Smooth, no flopping over 36/42
Distanzia AM44 110/80-18 58S B  
Distanzia AM44 120/80-18 62S B  
Azaro II AV35  110/80ZR-18 discontinued -    
Azaro II AV36 160/80ZR-16 discontinued -    
Azaro ST AV45(86-93) * 110/80R-18 discontinued -    
Azaro ST AV45 (94-2005) * 120/70R-18 discontinued -   14.5-15k at wear bars  
Bridgestone          
http://www.motorcycle-karttires.com/  
Battlax BT-021 110/80ZR-18 R Great tire - short life.  Grips very well, rolls into turns with out "falling".  Soft sides, hard centerline. 9k 36/40
Battlax BT45 110/80-18 58V B Smooth airplane-like Roll-in, good life, secure feel 36/40
Battlax BT45 120/80-18 62H B  
Battlax BT45 150/80-16 71V B Smooth airplane-like Roll-in, good life, secure feel    
Dunlop *fitment recommended by manufacturer        
http://www.dunlopmotorcycle.com/  
D205 (1994-2005)  120/70ZR-18 59W R Long wear, good grip, 110/80 squirrelly at high lean angle, still good tire, great in rain 12k  
D205 (199402996, was All)  150/80ZR-16 71W R Long wear, good grip, good tire great in rain 12k  
K701F (1994-2005) * 120/70VR-18 59V R good grip and wear, pointy profile makes bike unsteady 9 - 12k  
K700 (1994-2005) *  150/80VR-16 71V R good grip and wear, good tire 9 - 12k  
D205 (86-93) * 110/80ZR-18 58W discontinued? -    
D220 120/70ZR-18 discontinued -    
K105F (1986-1993)  110/80VR-18 58V discontinued? -    
K700G (1986-1993) *  150/80VR-16 71V -    
K491 130/70HB-18 discontinued -    
K491 160/80HB-16 discontinued -    
  100/90HB-18 discontinued -      
Metzeler *fitment recommended by manufacturer        
http://www.metzelermoto.com/  
MEZ6 Roadtec 120/70ZR-18 R Great match for the rear Avon azaro 12k  
MEZ4 (86-93)  110/80ZR-18 58W R  
MEZ4 (94+)  120/70ZR-18 59W R  
Lasertec (1986-1993) * 110/80V-18 58V B  
Lasertec (1986-1993) * 150/80VB-16 71V B  
ME 880 Marathon 100/90HB-18 56H B  
ME 880 Marathon 150/80HB-16 71H B  
ME 880 Marathon 130/70HR-18 63H R  
MEZ2   110/80VR-18 discontinued -    
MEZ2(All)*   150/80ZR-16 discontinued -      
Michelin *fitment recommended by manufacturer        
http://www.michelinmotorcycle.com/  
Pilot Road 2 110/80ZR-18 58W R  
Pilot Road 2 120/70ZR-18 59W R  
Pilot Activ 110/80-18 58V B  
Macadam 50  
Michelin Pilot Road 110/80ZR-18 discontinued -    
Macadam 100X  110/80ZR-18 discontinued -    
Macadam 100X  150/80ZR-16 discontinued -    
Macadam A90X 110/80ZR-18 discontinued -    
Macadam M90X 150/80ZR-16 discontinued -    
Macadam M50 (86-93) * 150/80V-16 discontinued -    
Macadam 50E (86-94) * 110/80V-18 discontinued -      
Pirelli No recommended fitment        
http://www.pirellimoto.com/  
MTR03 Dragon GT 120/70ZR18 59W R  
MTR04 Dragon GT 150/80ZR-16 71W  R  
MT09 Scorpion SYNC 110/80VB-18  B  
MT08 Scorpion SYNC  150/80VB-16 B  
MTR23 Dragon GTS  110/80ZR-18 R  
MTR23 Dragon GTS  120/70ZR-18 R      
Shinko          
http://www.shinkotireusa.com/  
757 Journey 130/70/18 (Wing size) R  
757 Journey 160/80/16 (Wing size) R  
777 150/80H-16 B great tire for the $$$ 12k at the wear bars  
011 Verge 120/70ZR-18 R      
NOTES:
*fitment recommended by manufacturer
1) I'm only human, use as a guide only, usual disclaimers apply.
Tire selection  requires care and diligence, especially if you diverge from the OEM recommended sizes.  Any tires listed here are due to either tire manufacturer recommendation or successful use noted by other Concours riders.  Your usage may be different, so fit your tires carefully, or consult a tire professional.
Originally from Bob Held, with major overhauls by Mark Randol, OCT2003