Vmax model changes by years
1985:
* First V-Max appears on American market with 145 HP announced and 400 m covered in 11 seconds. V-boost equipped.
1986
Introduction for Europe in France:
* 104 HP at 7,500 rpm and a torque of 11.48 mkg (83.03 ft-lb) at 6,000 rpm
* No V-Boost for Europe
* Rear aluminum dished wheel
* 2 front 282mm ventilated discs with opposed pistons.
* 3D V-max emblem
1987
* Front aluminum dished wheel
* Black air scoops, side covers and tail lamp mount
1990
* Digital electronic ignition.
* Back to aluminum color for air scoops
* Introduction for Japanese domestic market
1991
For Europe:
* Modifications to suit noise regulation from 83 to 81 dB. Exhaust system changed and max. power decreases from 100.2 HP/ 7,500 rpm to 95.2 HP/ 8,000 rpm.
* New camshafts with lengthen valve opening to improve character: Max torque of 10.3 mkg (74.5 ft-lb) is at 3,000 rpm only (formerly 10.9 mkg (78.8 ft-lb)/ 6,000 rpm). To keep superb acceleration, rear transmission ratio is changed from 33/9 to 33/10.
1993
Fundamental chassis changes:
* Fork tubes increased from 40 to 43 mm. Ventilated-drilled discs of 298 mm with 4 pot calipers.
* Metzeler tires instead of Dunlop.
* More powerful generator.
1996
* Black wheels, air scoops, exhaust system and fork outer tubes.
* Cartridge type oil filter element
1998
* Back to chrome exhaust system
1999
* Back to polished wheels and fork outer tubes
* Carbon look for fenders
2001
* Front fork seal guards
* Carbon looks for tank cover
Thanks to the Yamaha Design Cafe
Vmax Development
1985 V-max Press Release