Problems with my KLX250

[z1000 chick]

Hi everyone
I am currently experiencing problems kick starting my KLX when it is hot (the bike, not the weather!!!!), does anyone have any ideas how we can sort this out?

Thanks in anticipation.

[exgtt]

Hi not much help i'm afraid but i had a KLX that was a right pig to start when hot, there was no issue with mine - the concensous was "they all do that sir"

[Steve_T]

There's no hot start mechanism that can be fitted to the bike is there?

[Hooli]

whats it do? just refuse to go? im guessing fuel evaporation as a random idea

[z1000 chick]

engine does try to turn over when you kick it but doesnt fire - sounds flat? we think it maybe worth changing the plug to get one which is maybe suited to hotter starts (motocross rather than enduro type).
I have heard on an american enduro site talk of a 'hot start' kit, does anyone have any experience of these?

[Hooli]

no idea on hot start kits sorry.

random suggestion from someone with no experience of the bike.
leave the fuel turned on for longer before trying to start it? with my old bonnie i turn the fuel on a couple of mins before kicking it. my carbs get so hot they evaporate totally dry & mean it kicks over without firing.

i could be totally wrong (as normal) but its my only thought.

[odyssey2200]

Can you clarify?

Does the starter motor turn the engine over ?

[makatya]

When hot, take the plug out and see if it is wet or dry, also check that there is a good spark by plugging it back into the plug cap and resting on a metal engine part. Turn on ignition and kick over to check.
If no or week spark then it will be a hotter plug type or replacement coil, contacts etc.
If you have a good spark try putting (carefully) a little petrol in the cylinder to see if it will fire up. If it does then check fuel supply or lower the float level, clean carb etc.
If it still wont start then it is a compression problem so replace rings or get a re-bore.


Hope this helps.

Mark.

[YamR1V64motion]

Steve_T said:

There's no hot start mechanism that can be fitted to the bike is there?

anyone would think she was asking about a TVR Griffith

[Steve_T]

YamR1V64motion said:

Steve_T said:

There's no hot start mechanism that can be fitted to the bike is there?

anyone would think she was asking about a TVR Griffith

It was a serious remark though. I just did a day at the Yamaha off road school and the bikes had a hot start lever. I can't quite recall from when we did this on my city and guilds as it's a while back now, but I believe that this opens one of the valves on the first cycle of the engine to prevent the starter motor from fighting with the compression of a single cyl motor. I noticed that cracking the throttle a little when hot starting also helped fire the bike up.

Steve