Have you tried replacing the tacho cable?, it comes out of the rear of the clocks and goes into the front of the engine. It needs to be unscrewed at both ends, if it cannot be unscrewed at the engine end remove what it attaches to and try to unscrew it, don't pull it out (you probably wont be able too) because it will knacker the thread.
jus unscrew the old one
Formula USA Motorcycle Roadracing - 1990 was released on: USA: 12 March 1990
Like many engine and diagnostic parts of the 1990 Toyota Celica, the tachometer needs the assistance of a fuse to operate correctly. Check the fuse box for a blown fuse for this instrument.
I Bought a Vampire Motorcycle was created in 1990.
Motorcycle Hall of Fame was created in 1990.
Yugoslavian motorcycle Grand Prix ended in 1990.
Check the fuses near the drivers left foot
Bad ground to the dash.
Kazuma Watanabe - motorcycle racer - was born on 1990-05-05.
How Large was Washington State Ghost Riders Motorcycle Club in 1983
2003
there is no oil tank on a Vmax motorcycle. The only oil is in the crank case, and the shaft drive.