20 Most Recent 1990 kawasaki ZX 10 - Page 9 Questions & Answers

best way to tune this is to reshape the inlet port from a circle to a wedge shape as it has a rotary valve and put a decent expansion chamber on it.

This is the frame number !

you need to pull the code up and see what it points to

have some one do the work

Motor oil turns white/beige when it becomes emulsified with water or coolant. While the presence of emulsion can indicate an internal coolant leak or careless topping up the oil level, the nature of modern anti-pollution positive crankcase breather systems draws cool damp air into the hot engine. Some such systems aren't well designed and are prone to creating "mayonnaise", especially in the cooler, damper months.

Relay cud b bad or startr wires burnt or worn. Also batt must read 12.6 for a coil ign

Could it be an earthing problem

most likely the crankcase breather valve is not working properly.

One simple way to put the correct amount of oil in the forks is >>>with the fork caps removed and the spacers and fork springs removed from the forks, compress the fork all the down, then fill it 6 inches from the top. You can use a turkey baster (marked and measured) to remove the un-wanted oil if you overfill it.

A variety of possible issues here. Bad plugs dirty carbs or timing chain is stretched and timing is off.

try: https://www.youtube.com/watch?v=IkSeWJHhoQQ and others

if the color blue wire in the stator was no current what is the result?

You can't its linked to the ECU and will not allow unless you replace ignition and ECU.

You can't, it's linked to the ECU, get replacement keys or new ignition system, which may need a new ECU to match it.

standard fork oil..

replace the tap check for blockage in the main jet

Does it have spark? Does it have fuel delivery to cylinders?

There is a lever on the left side of the seat. 1999 Kawasaki Bayou 400 4x4 Owner Manual (page 38)

Go to this link and order the service manual. If you can't change the oil, you will find much information that you will need for your bike. https://motoservicemanual.com/kawasaki-zz-r600-1990-2000-service-manual/

Have you ever heard of RPM roll over? If the engine was allowed to reach it's max RPM under throttle the inertia would cause it to exceed its design max RPM, so it set below that to avoid flying rods and pistons. And yes it is governed.