Kawasaki Sportsbike Riders Club - Australia - Online Forum

Strika wrote:

kawasaki250 wrote:guys i didnt expect a reply straight away i understaned that i wouldnt get one, i just can't stand pointless posts!
to eliminate the easiest thing i filled her up and took it for a run and still the same problem
i thought that the battery was mainly used for starting and then the alternator keeps the bike running and charges the battery? correct me if im wrong....
might have to strip the carbies and give them a clean and stuff is balancing them an ass of a job?, and does anyone have the required tools to do so? like a mercury guage and a vaccum guage they wouldnt mind lending me?
to try an easy fix do u reckon spark plugs would be a thing to try before stripping the carbs and possibly causing more problems then i already have?
also it revs fine untill it hits 16,000 if the carbs are blocked do u think it would rev ok till 16,000? or maby at that revs it needs so much fuel and because of a blockage or poor balancing it just cant do it in this state of tune?
cheers Tim

oh n is that better guys hehe

Heaps...Thanks!

Now, it sounds more like a lack of fuel than an electrical or spark glitch. From what you say, it doesn't sound as though it's breaking down, more just not pulling past 16. Things to check is the filler valve to ensure it's not getting an air lock, then fuel pump next. Sometimes as they get to the end of there life they get a little lazy. Yamaha's are well known for it.

However, I would fit a new battery before anything else and check the chrging system. If the battery is absolutely knackered, the charging system, may not be able to throw enough into the knackered battery to hold enough for sparking duties.

Slow and wobbly wrote:Try looking at the simple things
Fresh fuel
Plugs
Air filter - clean or replace
Battery - if it is considered to be going bad replace it so that it may provide a decent chance of putting out a consistent voltage.
Does it rev past this point in the garage?
Does the throttle cable actually open the carbs fully?
Choke fully disengaged?
Stand in the dark with it running and blip the throttle looking for arcing - even tune in an am radio nearby and see if it pops or cracks in time with the engine.
Cleaned the carbs recently? if not then have a go. While your at it then set the float heights and sync them. Take your time. Easy once you know how but daunting if you haven't done it before.
Possibly the coils are breaking down too with the higher RPM.
It is either going to be fuel or electrical - go from there
Very difficult to diagnose though without more detailed info.
The other thing you will find too is that not many people have had much "Valid" experience with these bikes. They are mostly owned by the relative newcomer who, whilst well meaning, actually doesn't know much more about them than you may but is still willing to give you bum advice. Personally never touched one hence why I ask if it had a fuel pump. I recently had an FZR250 in the garage and I learned that they can be notorious for dodgy pumps. Similar era and same capacity.

kawasaki250 wrote:cool,
it just sits at 16,000 like rev limiter has kicked in goes a bit above, sorta sounds like its starving on fuel or spark


anyone compitent on balancing carbies and such that lives near greystanes NSW willing to help/teach me theres beer in it for ya hehe

Slow and wobbly wrote:Very difficult to diagnose though without more detailed info.
The other thing you will find too is that not many people have had much "Valid" experience with these bikes. They are mostly owned by the relative newcomer who, whilst well meaning, actually doesn't know much more about them than you may but is still willing to give you bum advice.

Slow and wobbly wrote:?plethora