300ex start up smoke

[99_300ex]

my 300 smokes just a little when i start it up in the cold but it stops like 3 seconds later and it never did this until i changed the oil in it a few weeks ago i put Rotella t in it. i read somewhere that if your choke dosent work right then it mite do this a little but i wasent sure. thank you very much for any advice on this problem.

[rYan01400EX]

What color smoke? Blue, Black, Grey... My friend owns a 300EX and it does this just a little too. It should be fine. BUT, when I put oil in my 400EX I try and keep away from the car oil. I put the Honda 4 Stroke oil in it and it runs good.

[beak7707]

You will be fine, I would say your valve seals are starting to wear a little allowing a little oil through. Many, many 4 strokes smoke when you first start them or when you get on the throtle.

[99_300ex]

Its more of a gray almost white.

[rYan01400EX]

You should be totally fine as your engine is emitting heat and getting used to it's cold surrounding. It doesn't sound like oil is burning off quickly (This would emit a bluish color smoke). So you should be all set. Start your bike and let it warm up for about 5 - 6 minutes before riding. It'll save you trouble rather then just getting on and going which is hard on the motor..

Good luck and you should be ready to ride!!!

Ryan

[99_300ex]

Thanks i would be riding more but since all the snow just melted its a muddy pit everywhere :mad: well thanks again.

[mjb811]

my 300 does the same thing at startup. but i know its oil because it smells and is blueish. just make sure to check your oil before every ride.

[99_300ex]

Ya well since its getting warmer out it doesnt seem to do it at all anymore and i read somewhere that if your choke dont work right then it will smoke some and it hasent since i havent been using my choke.