Any kawasaki 250 (ninja) owners?

Just had my 1992 kawasaki EX250 for a couple of days now and just got a couple of questions. I notice that once the bike hits 5000 revs it suddenly kicks off, like you feel as though its getting to the max revs but then once it hits around 5000 it just gets all this power! Was wondering what that is? Only because I was going up a steep hill earlier and it felt like it lost all its power where usually that something would step in!

Also how do you check the water levels for the radiator? Do you have to remove the fairing?

Lovely bike though!

10 Comments

Its called the power band. The optimum revs for maximum torque or something like that.

yeh, and 250 ninja's really like(/need) to be revved!

Original Poster

Yeah I was thinking this, it doesn't really perform under 5000 revs, is this normal? I always feel like I'm abusing the bike by picking up speed so quickly but its as if its what it wants?!

Yes its normal,The only way you can get enough power to "pull the skin off a rice pudding" from a 250 single is to make it rev,

Pauladin91

Yeah I was thinking this, it doesn't really perform under 5000 revs, is … Yeah I was thinking this, it doesn't really perform under 5000 revs, is this normal? I always feel like I'm abusing the bike by picking up speed so quickly but its as if its what it wants?!


Not being a Biker but is it a 2-stroke engine? IE you have to put an oil in regularly for the fuel?

If it is then most 2 strokes do have more power at the higher end of the power band....

Just found out it is a four stroke so there is no oil added to the fuel!


Edited by: "PilchY" 2nd May 2011

Original Poster

Yeah its defo a 4 stroke. Any reason why the power once didnt kick in up a steep hill even when I knocked it down a few gears? Are they built to go that fast so quickly? Only its done 40,000 miles so i don't want to thrash it!

I'm a new owner too so found this interesting too. Thanks

dont confuse speed of travel with engine revs - they arent inextricably linked - what we are saying is that the engine doesnt really 'come to life' until the revs are quite high, therefore, it will mean you are in a lower gear than you might have expected. When the powerband is high (up the rev range) and therefore the engine isnt very torquey, if you arent giving the engine high revs and a low gear, when you are on a hill you will really feel like the bike is struggling!

hth

Pauladin91

Yeah its defo a 4 stroke. Any reason why the power once didnt kick in up … Yeah its defo a 4 stroke. Any reason why the power once didnt kick in up a steep hill even when I knocked it down a few gears? Are they built to go that fast so quickly? Only its done 40,000 miles so i don't want to thrash it!



Edited by: "dt_matthews" 2nd May 2011

probably like a small car then, quick on the flat to respond, but when it has a hill to go up loses all forward momentum and wont rev as hard.....

Original Poster

Ahhh I see. I was just googling and getting worried that my bike might be misfiring because of it sounding like its at max revs then that kicks in! Also the exhaust does make popping sounds sometimes, is that bad? As you can see, i've never owned this sort of bike before!
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