Z650 F1 1980, F2 1981, F3 1982, F4 1983.

The F1 was a mix of the  previous B and current C4 model. The F1 got cast alloy wheels, a single front disc brake and a drum brake at the rear wheel. The ignition and stator covers where ribbed. The instruments are similar to the B and C models, but it got a new all metal master cylinder (brake fluid). It kept the kick starter and the engine was still in silver aluminum paint. There was three colors to choose between, Candy Persimmon Red, Luminous Dark blue and Candy Emerald Green.

Z650F2 1981

The F2 had many changes compared to the F1. Firs of all the engine was painted black for the first time. There was a new instrument cluster. There was an extra 500 rpm to go on the rev counter. The ignition where now CDI. Front braking was improved by adding another disc.  Front suspension was now air-assisted and at the rear a couple of new damper with variable damping adjustment. There where minor changes like a new front fender, black rear drum cover, new square indicators a chrome grab rail and yes the kick starter was dropped. Three colors for 1981, Luminous Navy Blue, Luminous Ruby red or Candy Light Green.

Z650F3 1982

The F3 looks at first glance like the F2, but there are some improvements and some new parts.  The F3 got all new CV carburetors, new air box. This resulted in a raise in power to 67 hp and  small drop in torque. Other changes was painted fenders, new plastic covered mirrors,  new rear dampers and new switchgear. For 1982 you cold get your Z650F in passion red or ebony.

Z650F4 1983

The F4, the last Z650. This time there where no major changes. It got the engine cases from the Z750L. The 650 badge had a new design, and the colures was as always new.