Maintenance & Technical > KX250 / KX125

Smoking a lot?

(1/4) > >>

kx250.1698:
Hi guys n use about 40ml 2stroke on 1 liter petrol after a few hard drives on the track and the bike is killed the smoke still comes out of the pipe? could it be crank seals because the piston looks like new?I am going to test compression 2 tomorrow?

Thanks

Jopiz:
Sounds like an electrical problem to me. If the spark is weak our stator could be close to failure. I recommend you to buy a clymer manual and check your stator with an ohm meter. Also weak spark could refer to a bad igniton coil. Can you borrow an ignition coil from your friend or something? I am currently having same kind of symptoms. Replacing the ignition coil gave me a more visible spark. Blue and fat is good. Do you foul plugs every time the bike dies?

-Jopizz

jfabmotorsports.com:

--- Quote from: kx250.1698 on June 18, 2009, 03:37:26 AM ---Hi guys n use about 40ml 2stroke on 1 liter petrol after a few hard drives on the track and the bike is killed the smoke still comes out of the pipe? could it be crank seals because the piston looks like new?I am going to test compression 2 tomorrow?

Thanks

--- End quote ---

Unless my math is wrong, you are running it 25:1 with the metric numbers that you gave. At 25:1 it should be a mosquito fogger.

kx250.1698:

--- Quote from: Jopiz on June 18, 2009, 04:08:28 AM ---Sounds like an electrical problem to me. If the spark is weak our stator could be close to failure. I recommend you to buy a clymer manual and check your stator with an ohm meter. Also weak spark could refer to a bad igniton coil. Can you borrow an ignition coil from your friend or something? I am currently having same kind of symptoms. Replacing the ignition coil gave me a more visible spark. Blue and fat is good. Do you foul plugs every time the bike dies?

-Jopizz

--- End quote ---

no the bike don't foul plugs, but 1ste gear is kind of weak , when you pin the throttel it gow's that can maby be jetting but wories me the least, the bike shop told me a can skrew the coil out and put a small wire in and hold it in my hand and still no spark, but plug was still in bike so couldnt kick it fast because of compression.

kx250.1698:

--- Quote from: jfabmotorsports.com on June 18, 2009, 05:00:53 AM ---
--- Quote from: kx250.1698 on June 18, 2009, 03:37:26 AM ---Hi guys n use about 40ml 2stroke on 1 liter petrol after a few hard drives on the track and the bike is killed the smoke still comes out of the pipe? could it be crank seals because the piston looks like new?I am going to test compression 2 tomorrow?

Thanks

--- End quote ---

Unless my math is wrong, you are running it 25:1 with the metric numbers that you gave. At 25:1 it should be a mosquito fogger.

--- End quote ---

sorry what do you mean by "mosquito fogger"

Navigation

[0] Message Index

[#] Next page