Troubleshooting
How does a Ninja 250 engine work?
EX250 parts diagrams
Do I really have to follow this break-in period?
Warming up your engine
Do I have to do this 500 mile service?
Engine Oil
How do I adjust the valves?
Changing the spark plugs & brands to avoid
Cleaning/Servicing the Spark Plug Caps
My oil pressure light comes on during heavy braking
Checking engine mount bolts
What's the redline of my bike's engine?
What is the engine idle speed? How do I adjust it?
What is the correct way to apply choke at startup?
What can I do if I flood it?
Why does my bike take so long to reach normal running temperature?
What are those tubes hanging down from the bike for?
An overview of the cooling system
How do I service the cooling system?
Adding an oil cooler
Why performance mods might not be good for you
How do I replace the sight glass?
Helicoil insert for a stripped spark plug hole
How long will a Ninja 250 engine last?
Cam chain tensioner removal
Engine number and year of manufacture
How to build your own track bike
What is involved in removing/rebuilding the engine?
I want an engine stand for my 250
I want to put a bigger engine in my Ninja
Just how small is a 250 engine?
Service Schedule
Torque Values
I Need Recommendations For Tools/Parts
I am having trouble putting my bike on its centerstand
Supporting Your Bike While Servicing
