ponyman
Parking Attendant
Posts: 9
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posted June 10, 2007 06:54 PM
zx12r oil problem
2002 zx12r-leaking oil somewhere on the top of the motor, running down on the coolant side..any ideas, only after hard runs
  
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted June 10, 2007 08:23 PM
What, if anything did you have off last?
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ponyman
Parking Attendant
Posts: 9
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posted June 11, 2007 06:39 PM
nothing off...went to the track..made one pass on 40 shot of n2o
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aliveagain
Needs a life
Posts: 5033
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posted June 12, 2007 06:42 AM
A guess would be to check the cam position sensor and the cam cover gasket.And just for shits and giggles,check the oil filter for snugness.You never know sometimes with that air blowing oil everywhere.
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I wondered why the baseball kept getting bigger. Then it hit me.
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kawasabi
Expert Class
Posts: 150
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posted June 12, 2007 07:40 AM
Yea, I had the cam sensor leak and now the valve cover gasket. My guess is the hard runs do not allow for proper crankcase ventilation as it vents into the airbox. At speed your pressurizing the airbox which I am sure counters the crankcase trying to vent against the pressure in the airbox. The result.... oil leaks....
My theory....
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ponyman
Parking Attendant
Posts: 9
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posted June 12, 2007 06:01 PM
thanks guys, will check
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VincentHill
Needs a life
Posts: 6520
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posted June 13, 2007 09:42 AM
quote:
Yea, I had the cam sensor leak and now the valve cover gasket. My guess is the hard runs do not allow for proper crankcase ventilation as it vents into the airbox. At speed your pressurizing the airbox which I am sure counters the crankcase trying to vent against the pressure in the airbox. The result.... oil leaks....
My theory....
Most people never think if that! I am going to use some Clutch Shims to increase presure on the Valve Cover. The rubber seals under the Bolts get older and thinner and less pressure on the Gasket easier leaking!
____________
Made History @ Daytona and still one fast old man!!
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