Question about Harley Davidson XL 1200 C Sportster Custom Motorcycles
JUST PUT STOCK TAPPETS IN IT ABOUT 6 MONTHS AGO AND JUST REPLACED THE RODS A FEW DAYS AGO. WHEN PUTTING THE TOP END BACK TOGETHER I NOTICED THAT ONE TAPPET DIDNT HAVE OIL SITTING ON TOP OF IT ANYMORE. ALL THE OTHERS HAD A PUDDLE OF OIL STILL ON TOP THE NEXT MORNING. VALVES AND SPRINGS ARE FINE AND THE ROCKERS ARE GOOD.
Hi Eric, I'm sorry but I loaned my listening ears to the lead technician at your local Harley Dealer so he could take your bike for a test ride and evaluate the noise. Have a nice day.
Posted on Jun 01, 2015
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Posted on Jan 02, 2017
Rocker arms are responsible to move the valves and hence control the valve timing. So if youe mileage and power goes okay,i don think there is some problem with the rocker arms.
Posted on Apr 19, 2009
5/16" bolt - 15-18 foot pounds
1/4" bolts - 10-13 foot pounds
Upper rocker cover bolts - 10-13 foot pounds.
Posted on Jun 12, 2010
Testimonial: "Very helpful and Quick---------Thankyou !"
Sometimes a dirty oil filter will cause lack of oil to the top end at startup.
As soon as the oil warms, it flows better and faster and hence the noise goes away after warm up.
If you need valves adjusted, the motor must be at TDC on compression stroke(both valves closed)
The motor must be cold do not try to adjust the valve clearance on a warm engine.
On TDC, pull the valve covers and check the clearance on the intake and exhaust valves by inserting a feeler gauge under the tappet.
INTAKE should be : .03-05mm
EXHAUST should be .05-.08 mm
Im sure you don't need a valve adjustment. but if you do: Put Engine on TDC
Loosen the locknut with a 9 or 10 mm wrench, stick the feeler gauge under the tappet, and tighten the little square tipped valve adjuster screw clockwise until you feel friction on the feeler guage.
Enough friction that the feeler gauge feels tight but you can still slide it back and forth.
Not carefully tighten the locknut. Check the feeler guage during tightening to make sure it didn't get too tight or too loose. Once you set the clearance, move to the next valve, and repeat the process using the other feeler guage.
Once both are done put the covers back on and your done,
NOTE: You may have to remove seat, gas tank, airbox, and side covers to get to the covers.
Posted on Dec 03, 2010
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