Weird Spark plug issue?
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Junior Member
Joined: Aug 2009
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Weird Spark plug issue?
Okay first off hi guys new member here i signed up a while ago.. a long while ago cause i had an f2 well it was a piece of junk
i just bought another f2 which is much cleaner and my problem is as follows
while practicing popping up on wheelies i was in first gear and i dropped the clutch and my spark plug wire popped out and now air is coming out of the cylinder my or my buddys guess is that either the o-ring broke or that the spark plug came loose... hopefully it came loose
ive had the bike for the past 3 days and ive had a constant issue where the plug wire wasnt seating fully it would snap onto the plug but the rubber boot wouldnt seat with the valve cover and the plug wire would pop off a small amount but this time yeah air is now coming out of the cylinder
what do you guys think it could be? im hoping just a loost plug im about to check it out right now
i just bought another f2 which is much cleaner and my problem is as follows
while practicing popping up on wheelies i was in first gear and i dropped the clutch and my spark plug wire popped out and now air is coming out of the cylinder my or my buddys guess is that either the o-ring broke or that the spark plug came loose... hopefully it came loose
ive had the bike for the past 3 days and ive had a constant issue where the plug wire wasnt seating fully it would snap onto the plug but the rubber boot wouldnt seat with the valve cover and the plug wire would pop off a small amount but this time yeah air is now coming out of the cylinder
what do you guys think it could be? im hoping just a loost plug im about to check it out right now
Senior Member
Joined: Jan 2010
Posts: 108
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From: Melbourne, Florida
Check the plug first, it shouldn't be too hard to tell if it's a loose plug.
One of the boots on my bike seems like it doesn't get a good 'click' onto the plug, and feels like it would come off pretty easily, though it hasn't as of yet. Is there a way to snug the clip up inside the boot so that it grabs onto the spark plug better?
One of the boots on my bike seems like it doesn't get a good 'click' onto the plug, and feels like it would come off pretty easily, though it hasn't as of yet. Is there a way to snug the clip up inside the boot so that it grabs onto the spark plug better?
Jan 2009 ROTM
Joined: Dec 2006
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Inside the boot its just a small aluminum loop of metal, take a long needlenose pliers and give it a small squeeze. Start very small it should not take much to pinch it down a hair so it sits more snug on the plug.
For the OP, if you have air coming out either the plug is loose or the threads are bad on the cylinder. Take the plug out and inspect the threads on the plug, then use a light and look at the threads in the cylinder also. Its fairly rare but the cylinder could be stripped or the threads chewed out. Especially since you just bought the bike check them right away and make sure someone has not sold you a big problem. If the threads are gone in the cylinder you will have to get it heli coiled, which if you cant do on your own can be pretty expensive.
For the OP, if you have air coming out either the plug is loose or the threads are bad on the cylinder. Take the plug out and inspect the threads on the plug, then use a light and look at the threads in the cylinder also. Its fairly rare but the cylinder could be stripped or the threads chewed out. Especially since you just bought the bike check them right away and make sure someone has not sold you a big problem. If the threads are gone in the cylinder you will have to get it heli coiled, which if you cant do on your own can be pretty expensive.
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