Oil leak at spark plug after run?

Petrolheadz100

Well-Known Member
Messages
238
Likes
5
Thread starter #1
Everytime i run my rampage i notice a small amount of oil around the plug, its not much but still i want to know what may be causing this. I switched plugs and same thing , any ideas? Maybe a pressure leak through the threads?
 

Attachments

G-Man

Junior Member
Messages
774
Likes
115
Location
Pittsburgh,PA
#2
Everytime i run my rampage i notice a small amount of oil around the plug, its not much but still i want to know what may be causing this. I switched plugs and same thing , any ideas? Maybe a pressure leak through the threads?
Are you tightening the spark plug tight enough? The plug has a crush ring at the base of the threads that needs smashed to create the seal.
 

Petrolheadz100

Well-Known Member
Messages
238
Likes
5
Thread starter #3
Are you tightening the spark plug tight enough? The plug has a crush ring at the base of the threads that needs smashed to create the seal.
I tightened it tight i thought, i just turned it about another 1/8h of a turn , im just afraid of stripping threads, it did tighten a bit more now so when i get my parts in and run it ill see what it does. The stock plug was very very tight in there and the washer is almost flat, it actually kept spinning as it bottomed out so i got another plug to see if the threads were stripped maybe but this plug doesn't keep spinning like the stock factory plug
 

G-Man

Junior Member
Messages
774
Likes
115
Location
Pittsburgh,PA
#4
I tighten the plug down till the crush washer is touching the head then probably 1/8-1/4 turn more to crush the washer. That's it. You were lucky the plug threads stripped not the head. Good luck. Do you use a NGK CMR7H plug?
 

Petrolheadz100

Well-Known Member
Messages
238
Likes
5
Thread starter #5
Yes , cmr7h, if the llug is removed then reinstalled how does the tightening work since the crush washer is already crushed? Just until it bottoms out then maybe 1/8 or no tightening at all?
 

G-Man

Junior Member
Messages
774
Likes
115
Location
Pittsburgh,PA
#6
Yes , cmr7h, if the llug is removed then reinstalled how does the tightening work since the crush washer is already crushed? Just until it bottoms out then maybe 1/8 or no tightening at all?
Once the washer is crushed, if the plug is removed and reused all the tighter it needs to be is snugged up. If tuned right, you shouldn't have to look at the plug for awhile.
 

Petrolheadz100

Well-Known Member
Messages
238
Likes
5
Thread starter #7
Ok, by any chance what size is the flywheel bolt size to remove it, i believe its a 12mm but my 12mm seems to be rounded out and it doesn't go in all the way
 

Petrolheadz100

Well-Known Member
Messages
238
Likes
5
Thread starter #10
It was tne stock plug that was overtightened from factory , and the ngk i bought i didnt torque enough, gave it a 1/4 turn no more leak...thanks
 

Members online

Latest posts

Top