The size of the rear tire for a 1978 KZ650 is "M 130/80 - 18".
Your Fuel Pump is located under the right side by the gas tank and right rear wheel...........
G - Load/Size R - Radial Design 78 - Hieght/width ratio 15 - Rim/Wheel Diameter in Inches
Wheel of Fortune - 1983 Wheel Across America 3 27-78 was released on: USA: 30 December 2009
Wheel of Fortune - 1983 10-78 was released on: USA: 23 December 1992
Wheel of Fortune - 1983 12-78 was released on: USA: 21 December 1994
Wheel of Fortune - 1983 13-78 was released on: USA: 20 December 1995
Wheel of Fortune - 1983 15-78 was released on: USA: 17 December 1997
Wheel of Fortune - 1983 17-78 was released on: USA: 22 December 1999
Wheel of Fortune - 1983 18-78 was released on: USA: 20 December 2000
Wheel of Fortune - 1983 11-78 was released on: USA: 22 December 1993
tire or wheel out of balance? broken mount on rear of transmission. I have seen where the threads for the bolts into the trans are ripped out.
Any 78-88 G-Body rear end is a direct bolt in. The only difference will be that in the 80s they switched to metric wheel studs. You'll need the correct lug nut for this.