cold/damp and not starting

[moggymiaow]

I have an Italian import NSR, when it is cold/damp it won't start, sometimes after 5 minutes it will start however today after 15 minutes of trying it still wasn't springing into life, so I abandoned it and took the car instead. When it isn't cold/damp it starts first time
Anyone any ideas as to what the problem is?
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Kat

[Scooby]

Had the same problem with my Honda X8RX scooter, lift the tank up and the spark plug covering might be slightly worn or basically not covering the plug correctly, meaning damp gets in and the bike won't start for ages. If it isn't this, maybe you need to change the plug, and don't keep trying and trying if it won't start, you'll only flood it.

I take it you are putting the choke on, and pressing the electric start without twisting the throttle??? NSR's don't like being revved to get them started.........
____________________
A big enough hammer fixes anything!

[Robby]

another helper if your bike is mechanically sound is to try a fuel additive, like powerpills or silkolene pro boost. i use both, but pro boost gets expensive.

[Ropehead]

U can user a spray like DAMP START u spary it round the plug and it will stop that damp getting in!!

If it wont start and it is damp pop the plug out give it a small squirt of WD40 and VROOOOOOOOOOMMM off you go works every time!!!

Hope this helps

Ropehead

[moggymiaow]

[Scooby]

Pull away with??? Don't run the bike with the choke on mate, thats asking for trouble, just use it to get the bike started. If it's warm and dry my bike starts up fine without any choke at all but if its a bit cold or damp it needs the choke on, but I only leave it on until the bike has warmed up for a minute or so, then I take it off choke and it normally idles at about 1.5k rpm. After a few more minutes warming up and revving lightly it is fine to pull away.
____________________
A big enough hammer fixes anything!

[NSRboi]

I had the same problem with my bike when I first got her. Scoobysnacks is right; my bikes the same, it wont tolerate throttle with the choke out. This is what I do when starting from cold:

Ignition on,
choke out, then immediately;
hit the starter
allow time for the rpms to drop to normal level (mine is 1,500 rpm)
choke in
rev the engine to warm her up

Don't use the throttle at all as you could foul your spark plug which maybe explains why your able to start a while later (after fuel evaporates on the plug). Check that your spark plug is in good nick, either replace it, or give it a good srub with a wire brush. Avoid running your bike with the choke out, if your gunna warm up your bike and rev it, do it with the CHOKE IN!, so golden rule, if the engines cold, dont use the throttle with the choke out, warm it up, or rev the engine with the choke in.

Spraying the outside of the plug and under the holder may help, but dont think dampness is your problem. Some two strokes just need a little patience, and some bikes, believe it or not have a personality of their own and differ entirely in the behaviour than others (I know many of you will disagree!).

[Guest]

I had the same problem with my bike when I first got her. Scoobysnacks is right; my bikes the same, it wont tolerate throttle with the choke out. This is what I do when starting from cold:

Ignition on,
choke out, then immediately;
hit the starter
allow time for the rpms to drop to normal level (mine is 1,500 rpm)
choke in
rev the engine to warm her up

Don't use the throttle at all as you could foul your spark plug which maybe explains why your able to start a while later (after fuel evaporates on the plug). Check that your spark plug is in good nick, either replace it, or give it a good srub with a wire brush. Avoid running your bike with the choke out, if your gunna warm up your bike and rev it, do it with the CHOKE IN!, so golden rule, if the engines cold, dont use the throttle with the choke out, warm it up, or rev the engine with the choke in.

Spraying the outside of the plug and under the holder may help, but dont think dampness is your problem. Some two strokes just need a little patience, and some bikes, believe it or not have a personality of their own and differ entirely in the behaviour than others (I know many of you will disagree!).

[Guest]

I had the same problem with my bike when I first got her. Scoobysnacks is right; my bikes the same, it wont tolerate throttle with the choke out. This is what I do when starting from cold:

Ignition on,
choke out, then immediately;
hit the starter
allow time for the rpms to drop to normal level (mine is 1,500 rpm)
choke in
rev the engine to warm her up

Don't use the throttle at all as you could foul your spark plug which maybe explains why your able to start a while later (after fuel evaporates on the plug). Check that your spark plug is in good nick, either replace it, or give it a good srub with a wire brush. Avoid running your bike with the choke out, if your gunna warm up your bike and rev it, do it with the CHOKE IN!, so golden rule, if the engines cold, dont use the throttle with the choke out, warm it up, or rev the engine with the choke in.

Spraying the outside of the plug and under the holder may help, but dont think dampness is your problem. Some two strokes just need a little patience, and some bikes, believe it or not have a personality of their own and differ entirely in the behaviour than others (I know many of you will disagree!).

[Keen]

heard you the first time

[Scooby]

Ok first time was fine...second is coincidence...third....somethings wrong....major stutter methinks
____________________
A big enough hammer fixes anything!